ETCR Current Sensor Manual
Contents
1. l ETCR CLAMP LEAKAGE CURRENT SENSOR ETCR 007AD ETCR 008 ETCR 030 ETCR 030D ETCR 030D1 ETCR 035AD ETCR 040 ETCR 033H ETCR 048H ETCR 080 ETCR 080A ETCR 080D ETCR 085K ETCR 148 ETCR 148A MANUAL ETCR Electronic Technology Company A Warning A Thanks for your purchase of Leakage Current Sensor Current Sensor of our company For better use of the product please make sure to read this user manual in details to abide by the safety regulations and precautions strictly u Under any circumstance it shall pay special attention on safety in use of this sensor u Pay attention to words and symbols stick on the panel u Keep the pliers clean maintenance regularly u Stop using the sensor when there is a rupture or break u For high voltage sensors if the voltage of tested circuitry has exceeded 600V it must be used by connecting with an insulation rod u The operator must get strict training and the relevant certification u Please don t keep or store the sensor in the spot with high temperature and moisture or condensation and under direct daylight radiation for a long time u For the sensors that need battery power supply please remove the battery if you expect not to use the sensor for a long time and take note of the polarity when replace the battery u Replace battery in time when t2. Shielding ground 8 Accessories for installing against the wall 4pcs 9 Accessories for installing against the steel grounding wire 6pcs ETCR148 148A Super large Caliber Clamp Leakage Current Current Sensor Introduction ETCR148 148A Super large Caliber Clamp Leakage Current Current Sensor is well designed and manufactured for measurement of AC leakage current leakage current higher harmonic current phase frequency power and electric energy by adopting the latest CT technology Its large caliber 148mmx108mm can clamp electric cable of 108mm 160mmx4mm flat cable and steel earth wires It is portable clamp designed no need to disconnect the circuit non contact measurement which means safer and faster It can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope electric power quality analyzer high precision multi meter widely applied in those fields as electricity communications meteorology railroad oilfield construction measurement scientific amp research teaching institutes industrial and mining establishments The clamp of ETCR148 is made of special alloy adopt the latest CT and magnetic shielding techniques can almost shield the influence from external 26 magnetic field to ensure the high precision high stability and high reliability of perennial uninterrupted measurement II Model Model Range Resolution Note With shielding function c
3. and then replace with qualified new battery Special attention shall be paid to polarity of battery at last cover battery cover plate 008 Sharp nose Pliers Current Sensor I Introduction 008 Sharp nose Pliers Current Sensor is used for measurement of AC current leakage current high order harmonic current phase power energy power power factor It is portable sharp nose no need to disconnect the measured circuits non contact safe and fast Suitable for narrow and line densely places can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc Widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises II Technical Specifications Measurement of AC current leakage current high Function order harmonic current phase power energy power power factor Test mode Clamp CT Clamp Size Diameter 8mm Range 0 30A Resolution 0 1mA Accuracy 0 5 5 50 2 60 2 23 C x2 C Coils Turn 2500 1 2000 1 1000 1 is optional Phase Error lt 2 50 2 60 2 23 C 2 C Reference Ri 0 300mA lt 5000hm 0 3As500hm 0 30As5ohm Load Output Mode Current induction output Dimension 137mmx40mmx19
4. partition type iron core with hall element makes it capable of measuring AC current and DC current simultaneously The hall element induced output a hall voltage VH which is generate by the measured current I so the measured current can be calculated by measuring VH Signal Output 1mV 1A input every 1A current output 1mV voltage 13 38mm 5mm 4 94 1 9 gt 6 gt 7 104 35mm 185mm 114 341 94 c9 e x 50mm 31mm 1 Clamp 2 DC current positive input indicator 3 Trigger open and close the clamp 4 ON OFF button power key 5 Standard output wire red wire positive output signal yellow negative output signal 6 Power on indicator 7 Low battery voltage indicator 8 ZERO clearing button 9 Cover connection screw 3 pcs 10 Battery cover fixed screw 11 Battery cover 12 Sensor output plug 3 5mm audio plug optional 13 Sensor output plug Standard multimeter plug optional ETCRO040 High Accuracy Clamp AC Leakage Sensor I Introduction ETCRO40 High Accuracy Clamp AC Leakage Sensor is used for measurement of high accuracy AC current leakage current high order harmonic current phase power energy power power factor Adopt the latest CT technology It is portable clamp design no need to disconnect the measured circuits non contact safe and fast The clamp core is made of special allo
5. rods Dimension 245mmx70mmx40mm Weight 210g Working SORE AIA o Environment 20 C 50 C below 80 rh Storage TE 5 Environment 10 C 60 C below 70 rh Structure Anti dripping Il Insulation Strength AC 3700V rms between core and shell Safety Rules IEC1010 1 IEC1010 2 032 Pollution degree 2 CAT 600 19 III Principle and Structure The sensor induced output a current 11 the current 11 generate voltage U on the external sampling load resistance RL so the measured current be calculated by measuring 11 U Among them Iznxl1 U I1xRL n is the coils turn current ratio 75 9mm 48mm 15 5mm gt 52 LP 254mm 10 7 4 TOON su ga s ey s i 9 5 24mm 66mm Sim 1 Clamp including boot sector 2 Paster area for further development 3 Display window for further development 4 Used for button or indicator 5 Insulation rod connector 6 Cover connection screw 7 Battery cover 8 Battery cover fixed screw 9 Output wire hidden inside the box 10 Insulation rods 5m optional ETCR080 080A Large Caliber Clamp Leakage Current urrent Sensor I Introduction ETCR080 080A Large Caliber Clamp Leakage Current Current Sensor is well designed and manufactured for measurement of AC current higher harmonic current phase electric energy power and power factor by adop
6. 00A AC Resolution 0 01mAAC 1 0 FS 50 2 60 2 23 C 2 C below 70 RH Accuracy keep the wire be in the center of clamp Coils Turn 1 4000 Phase Error lt 3 50 2 60 2 23 C 2 C RL 0 1 lt 5000 0 10 lt 500 0 100 lt 50 Reference Load 0 1000 lt 0 50 Output Wire Length of 10cm can connect it after open the cover Electric Field About 10mA when the external electric field 100A Interference 10mm nearby Measured Wire Position Keep the wire be in the center of clamp Current Frequency 45Hz 60Hz measured current frequency Frequency Characteristics 10Hz 100kHz Circuit Voltage High voltage testing up to 110KV operate with insulation rods Dimension 245mmx70mmx40mm Weight 210g Working ME E Environment 20 C 50 C below 80 rh Storage 10 C 60 C below 70 rh Environment Structure Anti dripping ll Insulation Strength AC 3700V rms between core and shell Safety Rules 1010 1 IEC1010 2 032 Pollution degree 2 CAT 600 Principle and Structure The sensor induced output a current 11 the current 11 generate voltage U on the external sampling load resistance RL so the measured current can be calculated by measuring 11 U Among them Iznxl1 U I1xRL n is the coils turn current ratio 17 le 70mm 30mm k 40mm T RL 52
7. 245mm gt 10 e D ii 1 Clamp including boot sector 2 Paster area for further development 3 Display window for further development IN 4 Used for button or indicator 5 Insulation rod connector 6 Cover connection screw 7 Battery cover 8 Battery cover fixed screw 9 Output wire hidden inside the box 10 Insulation rods 5m optional ETCRO048H High Voltage Clamp Current Sensor Introduction ETCRO48H High Voltage Clamp Current Sensor break through the traditional structure specially designed for online measurement of high low voltage current leakage current high order harmonic current variable ratio phase power energy power power factor Adopt the latest CT and shielding technology It is portable clamp design no need to disconnect the measured circuits non contact safe and fast ensures high precision high reliability and high stability for year round uninterrupted testing The innovation integrated design of pliers and boot sector with automatic switching structure Keep the wire be in the center of clamp push the sensor to clamp the measured wire while pull the sensor to withdraw the measured wire The sensor can use together with insulation rods for high voltage testing up to 110KV such as zinc oxide lighting arrester meter high voltage clamp current meter high voltage current transformation tester It can also 18 be connected with phase detection analyze
8. 5mm Output intectace 3 5mm audio plug Output Wire Length 2m Measured Wire 7 Position Approximately in the geometric center of the clamp Circuit Voltage Lower than 600VAC Current Frequency 45H 60Hz measured current frequency Frequency Characteristics TOR 100kkiz Weight 175g 1 20 50 below 80 rh Environment 10 60 below 70 rh poa AC3700V rms between core and shell IEC1010 1 IEC1010 2 032 Pollution degree 2 CAT 600 Safety Rules III Principle and Structure The sensor induced output a current 11 the current 11 generate voltage U on the external sampling load resistance RL so the measured current can be calculated by measuring 11 or U Among them l nxl1 U I1xRL n is the coils turn current ratio 19mm 9mm bum N 2 3 A Ss co ir 4 CE c os ca ca cra l 40mm 19 5mm 1 Coil tap 2 Coil tap 3 Sensor output plug 3 5mm audio plug 4 Output lead wire 5 Pliers 6 Direction symbol indicate the same polarity when measuring phase ETCRO030 High Accuracy Clamp AC Leakage Sensor Introduction ETCROS30 High Accuracy Clamp AC Leakage Sensor is used for measurement of high accuracy AC current leakage current high order harmonic current phase power energy power power factor Adopt the lat
9. amp design no need to disconnect the measured circuits non contact safe and fast ensures high precision high reliability and high stability for year round uninterrupted testing The innovation integrated design of pliers and boot sector with automatic switching structure Keep the wire be in the center of clamp push the sensor to clamp the measured wire while pull the sensor to withdraw the measured wire The sensor can use together with insulation rods for high voltage testing up to 110KV such as zinc oxide lighting arrester meter high voltage clamp current meter high voltage current transformation tester It can also be connected with phase detection analyzer industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc It is widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises 16 Il Technical Specifications Measurement of high low voltage current leakage Function current high order harmonic current variable ratio phase power energy power power factor Battery Can accommodate 4 pieces alkaline dry battery 1 5V Container AAA supply power for further development Clamp Mode Clamp CT Output Mode Current induction coil tap output S1 S2 Clamp Size Diameter 33mm Range 0 6
10. an ETCR148 9 3000 0 1mA measure leakage current ETCR148A 0 4000A 04A Without shielding function can measure big current III Technical Specifications Measurement of AC current higher harmonic current Function phase electric energy power and power factor Test Mode Clamp CT Clamp Size 148mmx108mm Measurement Range 0 3000A 0 4000A optional Resolution 0 1mA 0 1A 2 0 FS 50 2 60 2 23 C 2 C below 70 RH Accuracy keep the measured wire be in the center of the clamp Coils Turn 3000 1 Phase Error 3 50HZ 60Hz 23 Cx2 C Reference Load RL 0 300 lt 3 0 30 lt 300 0 4000 lt 0 30 Output Mode Current induction output Output Interface 2 bare wires or standard multi meter pen plug Lead length 2m Electric Field About 5mA when the external electric field 100A Interference 10mm nearby Wire Position Keep the measured wire be in the center of the clamp 45Hz 60Hz Frequency of the measured current 10Hz 100kHz Circuit Voltage Below 600V AC Size Length 350mm x Width 180mm x Height 55mm Weight 1 5kg Working Temperature 20 C 50 C below 80 rh and Humidity Storage Temperature 10 C 60 C below 70 rh and Humidity possi AC3700V rms between core and shell Safety 1010 1 1010 2 032 2 class of pollution CAT Specifications 600 27 IV Principle and Structure The
11. are wire or standard multi meter plug ETCRO0680D Large Caliber Clamp DC Current Sensor I Introduction ETCRO80D Large Caliber Clamp DC Current Sensor is used for measurement of high accuracy DC current leakage current Adopt the latest CT technology and shielding technology It is portable clamp design no need to disconnect the measured circuits non contact safe and fast can be connected with industrial control equipment data recorder oscilloscope high precision digital multi meter etc Widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises 922 II Technical Specifications Function Measurement of DC current leakage current Test mode Clamp CT Power Supply 9V DC Rated Power 2mW Clamp Size 80mmx80mm Range 0 10A DC Resolution 10mA DC 3 0 FS 50HZ 60Hz 23 C 2 C below 70 RH keep Accuracy the wire be in the center of clamp Coils Turn 1 800 Signal Output 2 5mV 10mA 0 10A 0 2 5V Output Red wire positive power input Yellow wire ground Interface White wire positive signal output Output Wire Length i Measured 3 Wire Position Approximately in the geometric center of the clamp Line Voltage Under 600VDC measurement Dimension 194mmx145mmx40mm Weight 780g Working EROS d Environment 15 C 45 C below 80 rh Storage ALAS 5 Environme
12. e AC600V Weight 170g including the battery Working Current amA Working Temperature 10 C 50 C below 80 rh and Humidity 4 Limit Temperature 10 C 0 C 40 C 50 C within 2 rdg Error Storage Temperature 10 C 60 C below 70 rh and Humidity Insulating AC3700V rms between the alloy of the clamp and the Strength housing Applicable 1010 1 IEC1010 2 032 Pollution level 2 safety rules 600 Sensor 1piece Battery 6F22 9V piece User Manual Warranty card Certification 1 copy Accessories III Principle and Structure Combining partition type iron core with hall element makes it capable of measuring AC DC current and leakage current simultaneously The hall element induced output a hall voltage VH which is generate by the measured current I so the measured current can be calculated by measuring VH Signal Output 10mV 1A or 100mV 1A input every 1A current output 10mV or 1000mV voltage manual shift 28mm 55mm ND 4 x 168mm 12 13 k 65mm 1 Clamp mouth 7 2 DC current positive input indication 3 Clamp slender shape 4 Toroid opening lever 5 Power indicator 6 Signal positive output 7 Signal ground 8 Output lead wire 9 ZERO key 10 Power shift switch key 11 Battery cover screw 1 piece 12 Batt
13. eed rail system car circuit overhaul and so on non contact measurement to ensure safe operation It is small with high precision stable performance can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope electric power quality analyzer high precision multi meter The sensor is widely applied in those fields as electricity communications meteorology railroad car industry oilfield construction measurement scientific amp research teaching institutes industrial and mining establishments II Technical Specifications Function Measurement of AC DC current leakage current Zn Mn dry battery 6F22 9V Continually using for 100 Power Supply hours connecting external power supply is also available for long time using Test Mode Clip on CT non contact measurement Clamp Size o7mm Input Range 0mA 60 0A AC DC Output Voltage 10mV A 100mV A corresponding Output Range 1V peak max Resolution 1mA AC DC Accuracy 3 FS 23 C 5 C below 5 rh Phase Error lt 3 AC 5 2 60 2 23 C 2 C Adjust ZERO to calibrate eliminate external electric Calibration field interference A Core wire signal positive output shielding wire signal Output Wire ground Lead length 2m Dimension LWH 168mmx65mmx34mm Frequency AC 45Hz 400Hz DC DC 100kHz Test Position Tested wire in the jaw center Line Voltag
14. ery cover 13 Housing screws 3 pieces 14 Pendant hole 5 IV Operating Method 1 Start up Shutdown Switch power key to 10mV A or 100mV A gear to start up the sensor power indicator will light up and switch the power key to OFF gear the sensor will shut down 2 Calibration When measuring first choose the gear adjust ZERO key and then conduct measurement Rational usage of this adjust zero function will make the results more accurate For example after boot before measurement we can take thejaw close to the wire showing as right figure tj the sensor will output an inductive current because of external electric field interference Adjust ZERO key to calibrate which deduct the inductive value After measuring big current calibration is very necessary to clear the residual magnetism 3 Measurement 1 Power on 2 Choose the gear 10mV A firstly 3 Adjust zero 4 Release the toroid lever to open clamp mouth and clamp measured conductors 12V DC Battery Charging equipment V Change Battery Please pay attention to polarity of battery to avoid damaging the sensor N Chang the low battery in time If not use the meter for a long time please get off the battery to storage 1 When the battery power is not enough change it in time 2 Shut down the sensor before opening the battery cover please confirm the sensor is in off position
15. est CT technology It is portable clamp design no need to disconnect the measured circuits non contact safe and fast The clamp core is made of special alloy adopt the double magnetic shielding techniques can almost shield the influence from external magnetic field to ensure the high precision high stability and high reliability of perennial uninterrupted measurement It can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc Widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises II Technical Specifications Measurement of AC current leakage current high Function order harmonic current phase power energy power power factor Test mode Clamp CT Clamp Size 25mmx30mm Range 0 60A AC Resolution 1uA AC 1 0 5 50 2 60 2 23 C 2 C below 70 RH keep y the wire be in the center of clamp Coils Turn 1 800 Phase Error lt 2 50 2 60 2 23 C 2 C Reference Ri 0 600mA lt 3000hm 0 6A lt 300hm 0 60 lt Load Output Mode Current induction output Dimension 115mmx70mmx33mm Output interface 3 5mm audio plug Output Wire Length 2m Electric Field About 5mA when the external electric fie
16. he battery voltage is low u In case of explosion please don t remove or replace the battery in dangerous places u For the sensors that need external power supply please first confirm the polarity of power supply u This sensor is only to be used disassembled and repaired by qualified personnel with authorization u When it may cause hazard by continuous use for the reason of the sensor itself it shall immediately stop using it and deposit it at once leaving it for disposal by authorized agency in the manual is the safety warning sign the contents of this manual must be followed for safe operation u and other safety signs the contents of this manual must be followed for safe operation u Clamp positive line and negative line together to measure leakage current of this DC line Note 2 wires Clamp positive line or negative line separately to measure the DC current of this line Note single wire Clamp live wire or null line separately to measure the current of this line Note single wire Clamp live wire and null line together to measure leakage current of single phase Note 2 wires Clamp earth wire to measure grounding line leakage current of electrical equipment Note single wire Clamp three wires together to measure the leakage current of three phase three wires Note 3 wires Clamp four wires together to measure the leakage current of three phase four w
17. ield About 10mA when the external electric field 100A Interference 10mm nearby Measured Wire Position Approximately in the geometric center of the clamp ioca 2 types against the wall or steel grounding wire Working Temperature 20 C 50 C below 80 rh and Humidity Storage Temperature 10 C 60 C below 70 rh and Humidity Structure Drip tight II rainproof Insulation Strength AC3700V rms between core and shell Safety 1010 1 IEC1010 2 032 2 class of pollution CAT Specifications 600 25 III Principle and Structure The sensor induced output a current I1 the current I1 generate voltage U on the external sampling load resistance RL so the measured current can be calculated by measuring 11 U Among them l nxI1 UzH xRL n is the coils turn current ratio 80mm 20mm 58mm gt 36mm 1 9 OQ 5 21 S1 P1 RL n U 2 64 9 E E 5 64 9 8 e 64 P1 2 GND S pg 7 9 1 Fixing screw hole 2 Screws on wire connecting cover 3 Hole for installing against the wall with accessories 8 4 Output lead wire interface 5 Fixing screw 2pcs 6 Hole for installing against the steel grounding wire with accessories 9 7
18. ires Note 4 wires The sensors output a current signal and the secondary current can be transferred to voltage output by parallel connecting a load resistance RL For example coils turn 1000 1 when input 1000A current signal the secondary current will be 1A if RL is 1Q it will get 1V voltage output That means output voltage is in proportion to the input as 1mV A Please refer manual for the value of RL CONTENT ETGCROOZAD 5 m ee Eo e bet A a es 4 ETICRO008 inp iive teen el dhe 7 odd aud ete te e eite eer 9 ETICROSOD 5 ettet b pte ee d t aree tuus 10 ETCROS30D1 iiri er a i vete recedere das 10 iced teure t debet ot er c tance 12 ETCROAO ec eue Mt wes 14 ET GOSS a eee NER 16 5 ER MEER NR 18 ETGRO080 conii er ete ANE 20 ETCROS80A ehe na MR IR MU 20 ETCROSO0D eer ee Ee 22 ETCRO85K di RR 24 OG 26 dent ent 26 ETCRO07AD AC DC Clamp Leakage Current Sensor I Introduction ETCR 007AD AC DC Clamp Leakage Current Sensor is designed for measuring AC DC current and leakage current under 600V line voltage by adopting the latest CT technology and digital integrate technology The small clamp is suitable for line densely places electric power measurement system the high sp
19. ld 100A 10mm Interference nearby Measured Wire Position Approximately in the geometric center of the clamp Current Frequency 45Hz 60Hz when measuring big current Frequency Characteristics 1042 100kHz Weight 180g 20 C 50 C below 80 rh 10 C 60 C below 70 rh Sonat AC3700V rms between core and shell Safety Rules 1010 1 IEC1010 2 032 Pollution degree 2 CAT 600 Principle and Structure The sensor induced output a current 11 the current 11 generate voltage U on the external sampling load resistance RL so the measured current I can be calculated by measuring 11 or U Among them Iznxl1 U I1xRL n is the coils turn current ratio 1 Coil tap 70mm 12mm 60mm a 1 2 3 30mm 7 4 Al E E 5 2 6 v 31mm 33mm 43mm 2 Coil tap 3 Shielding ground 4 Sensor output plug 3 5mm audio plug 5 Output wire 2 5mm 6 Trigger open and close the clamp 7 Clamp ETCR030D1 030D Clamp DC Leakage Current Current Sensor I Introduction ETCRO030D1 030D Clamp DC Leakage Current Current Sensor is used for measurement of high accuracy DC current DC leakage current Adopt the latest CT technology and double magnetic shielding techniques lt is portable clamp design no need to disconnect the measured circuits non contact safe and fast It can be c
20. measuring big current Frequency Characteristics PONE SOGKble Dimension 120mmx70mmx33mm Weight 190g Working San SEEDS Environment 20 C 50 C below 80 rh Storage Environment 10 C 60 C below 70 rh Insulation Strength AC3700V rms between core and shell 1010 1 IEC1010 2 032 Pollution degree 2 Safety Rules 600 Principle and Structure The sensor induced output a current 11 the current 11 generate voltage U on the external sampling load resistance RL so the measured current can be calculated by measuring 11 U Among them Iznxl1 U I1xRL n is the coils turn current ratio 15 70mm 15mm 66mm MM 4 4 4 ae 4 1 p RL E ni u 5 E 2 64 k i 31mm 43mm 33mm 1 Coil tap 2 Coil tap 3 Shielding ground 4 Sensor output plug 3 5mm audio plug 5 Output wire 2 5mm 6 Trigger open and close the clamp 7 Clamp High Voltage Clamp Current Sensor I Introduction ETCR033H High Voltage Clamp Current Sensor break through the traditional structure specially designed for online measurement of high low voltage current leakage current high order harmonic current variable ratio phase power energy power power factor Adopt the latest CT and shielding technology It is portable cl
21. nciple and Structure The sensor induced output a current I1 the current I1 generate voltage U on the external sampling load resistance RL so the measured current I can be calculated by measuring U Output voltage 0 2 5V 11 115mm 71 gt 8 31mm 43mm 33mm 1 Positive signal voltage output white wire 2 Ground yellow wire 3 Positive power input red wire 4 Output wire 2m 5 Trigger open and close the clamp 6 Clamp 7 DC current positive input indicator 8 Power indicator ETCRO35AD Clamp AC DC Current Sensor Introduction ETCRO35AD Clamp AC DC Current Sensor is used for measurement of AC DC current phase power energy power power factor Adopt the latest CT technology without any bare metal conductor on clamp It is portable clamp design no need to disconnect the measured circuits non contact safe and fast The clamp core is made of special alloy to ensure the high precision high stability and high reliability of perennial uninterrupted measurement It can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc Widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprise
22. nt 10 C 60 C below 70 rh Insulation Strength AC3700V rms between core and shell Safety Rules IEC1010 1 IEC1010 2 032 Pollution degree 2 CAT 600 Principle and Structure The sensor induced output a current I1 the current I1 generate voltage U on the external sampling load resistance RL so the measured current I can be calculated by measuring U Output voltage 0 2 5V 23 1 24 3 E E 3 44 1 Positive signal voltage output white wire 2 Ground yellow wire 3 Positive power input red wire 4 Output wire 2m 5 Trigger open and close the clamp 6 Clamp 7 Trigger open and close the clamp 8 Power indicator ETCRO85K Clamp Type High Accuracy Leakage urrent Sensor Introduction ETCRO85K Clamp Type High Accuracy Leakage Current Sensor is widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises It is used for measurement of high accuracy AC current leakage current high order harmonic current frequency phase power power energy etc It can be connected with high precision digital multi meter data recorder electric power quality analyzer oscilloscope industrial control instrument etc Adopting the clamp type design clamp size is 85mmx20mm suitable for steel earth places transformer grounding substa
23. onnected with industrial control equipment data recorder oscilloscope high precision digital multi meter etc Widely applied in electricity communication meteorology railway 10 oilfield construction measurement scientific and research teaching unit industrial and mining enterprises II Model Model Measurement Range Resolution ETCR 030D1 0 100mA DC 0 1mA DC ETCR 030D 0 10A DC 10mA DC III Technical Specifications Function Measurement of DC current DC leakage current Test mode Clamp CT Power Supply 9V DC Rated Power 2mW Clamp Size 25mmx30mm Range 0 100mA DC or 0 10A DC optional Resolution 0 1mA DC or 10mA DC optional 3 0 FS 23 C 2 C below 70 RH keep the wire be Accuracy in the center of clamp Coils Turn 1 800 Signal Output 2 5mV 1mA 0 1A 0 2 5V Output Red wire positive power input Yellow wire ground Interface White wire positive signal output Output Wire Length 2m Geomagnetic interference About mA Measured Wire Position Approximately in the geometric center of the clamp Line Voltage Under 600V DC measurement Dimension 115mmx70mmx33mm Weight 180g Working AET B Environment 15 C 45 C below 80 rh Storage An oen Environment 10 C 60 C below 70 rh Insulation Strength AC3700V rms between core and shell 1010 1 IEC1010 2 032 Pollution degree 2 CAT Safety Rules 600 IV Pri
24. r industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc It is widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises Technical Specifications Measurement of high low voltage current leakage Characteristics Function current high order harmonic current variable ratio phase power energy power power factor Battery Can accommodate 4 pieces alkaline dry battery 1 5V Container AAA supply power for further development Clamp Mode Clamp CT Output Mode Current induction coil tap output 51 S2 Clamp Size Diameter 48mm Range 0 1000A AC Resolution 0 1mA AC 1 0 FS 50Hz 60Hz 23 C 2 C below 70 RH kee Accuracy the wire in the center of clamp i Coils Turn 1 4000 Phase Error lt 3 50 2 60 2 23 C 2 C Reference RL 0 1 lt 5000 0 10 lt 500 0 100As50 Load 0 1000 lt 0 50 Output Wire Length of 10cm can connect it after open the cover Electric Field About 10mA when the external electric field 100A Interference 10mm nearby ied Keep the wire be the center of clamp 45Hz 60Hz measured current frequency Frequency 10Hz 100kHz Circuit Voltage High voltage testing up to 110KV operate with insulation
25. s II Technical Specifications Measurement of AC DC current phase power energy power power factor Power Zn Mn dry battery 6F22 9VDC can connect external Supply power supply Rated Power 5mW Test mode Clamp CT Clamp Size 30mmx35mm Function 212 Range 0 600A AC DC Resolution 0 1AAC DC Signal imV 1A 0 600A 0 600mV DC AC Output Accuracy 1 0 FS 23 C 2 C below 70 RH keep the wire be in the center of clamp Phase Error lt 3 AC 50Hz 60Hz 23 C 2C Zero Press ZERO button to clearing eliminate the influence Clearing of magnetic field on the DC testing Output Wire Standard connection Red wire positive signal output Connection Yellow wire negative signal output Output Wire Length 2m Measured Wire Position Approximately in the geometric center of the clamp Frequency 4 Response AC 45Hz 400Hz Line Voltage Under 600V DC measurement Batter LED lights up indicating low power when the battery Volta voltage decrease to 7 2V Then the battery have to be 9 changed Dimension 122mmx70mmx33mm Weight 180g with battery Working S Environment 15 C 45 C below 80 rh Storage Jine 2 Environment 10 C 60 C below 70 rh Insulation Strength AC3700V rms between core and shell Safety Rules 1010 1 IEC1010 2 032 Pollution degree 2 CAT 600 Principle and Structure Combining
26. sensor induced output a current I1 the current 11 generate voltage U on the external sampling load resistance RL so the measured current I can be calculated by measuring U Output voltage 0 2 5V Among them Iznxl1 U I1 RL is the coils turn current ratio 180mm 108mm oar x 2 148mm 4 350mm 5 3 1 12 1 I I1 1 RL 1 Coil tap 2 Coil tap 3 Lead wire 2m 4 Clamp 5 Lock switch after lock the clamp can t be open 6 Trigger open and close the clamp 7 Battery cover 8 Battery cover screw 1 piece 9 Up and down cover connecting screws 6 pieces Note The coil tap can be bare wire or standard multi meter plug 28 A Manufactured by ETCR Electronic Technology Company Address F 3F No 4 Pengshang Zhifu Road J iahe Baiyun District Guangzhou Guangdong China Post Code 510440 Tel 86 20 62199556 62199553 Fax 86 20 62199550 E mail info etcr cc Website www etcr cc
27. ting the latest CT technology Its large caliber 80mmx80mm can clamp electric cable of b80mm or 96mmx4mm flat cable and steel earth wires It is portable clamp designed no need to disconnect the circuit non contact measurement which means safer and faster It can be connected with 20 phase detection analyzer industrial control equipment data recorder oscilloscope electric power quality analyzer high precision multi meter widely applied in those fields as electricity communications meteorology railroad oilfield construction measurement scientific amp research teaching institutes industrial and mining establishments ETCRO080 Large Caliber Clamp Current Sensor s clamp core is made of special alloy adopt the double magnetic shielding techniques can almost shield the influence from external magnetic field to ensure the high precision high stability and high reliability of perennial uninterrupted measurement II Model Model Range Resolution Note ETCRO80 0 2000A 0 01mA With shielding function can measure leakage current ETCRO80A 0 2500A 0 1A Without shielding function II Technical Specifications Function Measurement of AC current higher harmonic current phase electric energy power and power factor Test Mode Clamp CT Clamp Size 80mmx80mm T RN AC 0 2000A or AC 0 2500 optional Resolution 0 01mA or AC 0 1A optional 1 0 FS 50H
28. tion grounding high voltage tower grounding no need to disconnect the measured circuits makes it safe and convenient for field testing and maintenance The clamp adopts the latest CT technology and four layer shielding technology can almost shield the influence from external magnetic field with ability of waterproof rainproof anti drip to ensure the high precision high stability and high reliability of perennial uninterrupted measurement Meanwhile customizing is acceptable for more uses 24 II Technical Specifications Measurement of high accuracy AC current leakage Function current high order harmonic current frequency phase power power energy Opening Type Clamp type Shielding Layer Four layer shielding can almost shield the influence from external magnetic field Clamp Size 85mmx20mm Output ect Interface S1 S2 coil tap GND shielding ground Coils Turn 1000 1 Input Range AC 0 00Ma 100 0A Resolution 0 01mA Induced Output 1mA 1A Accuracy 1 0 5 50 2 60 2 23 C 2 C below 70 RH keep the wire be in the center of clamp Phase Error lt 2 50Hz 60Hz 23 C 2 C Line Voltage Below AC 600V line measurement Current Frequency 45Hz 60Hz the measured current frequency Frequency Characteristics TOHz 3008112 Dimension 160mmx80mmx58mm Weight 900g Installation E Direction P1 side is upward Electric F
29. y adopt the double magnetic shielding techniques can almost shield the influence from external magnetic field to ensure the high precision high stability and high reliability of perennial uninterrupted measurement It can be connected with phase detection analyzer industrial control equipment data recorder oscilloscope harmonic analyzer electric power quality analyzer high precision digital multi meter etc Widely applied in electricity communication meteorology railway oilfield construction measurement scientific and research teaching unit industrial and mining enterprises 14 II Technical Specifications Measurement of AC current leakage current high Function order harmonic current phase power energy power power factor Test mode Clamp CT Clamp Size 35mmx40mm Range 0 300A AC Resolution 0 01mAAC 1 0 FS 50HZ 60Hz 23 C 2 C below 70 RH Accuracy keep the wire be in the center of clamp Coils Turn 1 2500 Phase Error lt 2 50 2 60 2 23 C 2 C Reference RL 0 300 lt 500 0 3As50ohm 0 30 lt 5 Load 0 300A lt 0 50hm Output Mode Current induction output Output interface 3 5mm audio plug Output Wire Length em Electric Field About 10mA when the external electric field 100A Interference 10mm nearby Measured Wire Position Approximately in the geometric center of the clamp Current Frequency 45H 60Hz when
30. z 60Hz 23 C 2 C below 70 RH keep Accuracy the measured wire be in the center of the clamp Coils Turn 1000 1 2000 1 and 3000 1 is optional Phase Error 33 50Hz 60Hz 23 C 2 C Reference Load RL 0 2500 lt 0 30 Output Mode Current induction output Output 2 bare wires or standard multi meter pen pl Interface Ven pen pug Lead length 2m Wire Position Keep the measured wire be in the center of the clamp Sale 45Hz 60Hz Frequency of the measured current 10Hz 100kHz Voltage Below 600V AC Size Length 194mm x Width 145mm x Height 40mm Weight 780g Working Temperature 20 C 50 C below 80 rh and Humidity 21 Storage Temperature 10 C 60 C below 70 rh and Humidity Insulation strength AC3700V rms between core and shell Safety IEC1010 1 IEC1010 2 032 2 class of pollution CAT Specifications 600 III Principle and Structure The sensor induced output a current I1 the current 11 generate voltage U on the external sampling load resistance RL so the measured current I can be calculated by measuring U Output voltage 0 2 5V Among them Iznxl1 U I1 RL n is the coils turn current ratio 145 lt 122mm gt 21mm a 4 ra E E x a LT Ts uu 1 Coil tap 2 Coil tap 3 Lead wire 2m 4 Clamp 5 Trigger open and close the clamp Note The coil tap can be b
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