ACD-14 Tech Clamp Product Manual
Contents
1. 300 C 2 3 C 4 F TO 572 F 2 6 F Type K thermocouple range amp accuracy not included LIMTED WARRANTY Your AMPROBE instrument has a limited warranty against defective materials and or workmanship for one year from the date of purchase provided that in the opinion of the factory the instrument has not been tampered with or taken apart Should your instrument fail due to defective materials and or workmanship during this 1 year period a no charge repair or replacement will be made to the original purchaser Please have your dated bill of sale which must identify the instrument model number and serial number and call the number listed below Outside the U S A the local representative will assist you Note Please obtain an RMA number before returning product for repair Call Customer Service Repair 1 800 327 5060 4 y wp ADVANCED TEST PRODUCTS Advanced Test Products AMPROBE Miramar FL Tel 954 499 5400 Fax 954 499 5454 ch PRINTED ON RECYCLABLE PAPER PLEASE RECYCLE COPYRIGHT MMIII Btc ALL RIGHTS RESERVED P N 7M1C 0511 0000 PRINTED IN TAIWAN2. 60dB DC to 60Hz Rs 1kQ2 Input Impedance 10MQ 30pF nominal ACA Current Clamp on RANGE Accuracy 400 0A 1 9 8d Accuracy specified to 350A continuous and 400A for 60 second max with 5 minutes cool down interval Added range to indicate instantaneous over range current values Max Hold where applicable Specified accuracy 50 digits for changes gt 25ms in duration Audible Continuity Tester Audible threshold between 100 and 120Q Ohms ANGE 00 00 0 8 6d 4 000kQ 40 00kO 0 6 4d 400 0kQ 000MQ 1 0 4d 0 00MQ 2 0 4d Open Circuit Voltage 0 4VDC typical Capacitance ANGE 500 0nF 5 000uF 50 00uF 500 0uF 3000uF Accuracy 3 5 6d Additional 50 00nF range accuracy is not specified Accuracies with film capacitor or better Specified with battery voltage above 2 8V approximately half full battery Accuracy decreases gradually to 12 at low battery warning voltage of approximately 2 4V pew me Voltage u RANGE Burden Voltage 50Hz 500Hz 2000114 Hz Frequenc Sine RMS 400 0mV 10Hz 2kHz 4 000V 40 400 0V 100V 5Hz 100kHz 600V 400 0uA 5 2000uA OHz 30kHz Display counts 5000 Best resolution 0 001Hz Accuracy 0 5 4d IE N oo a ILI N 400 0mV 4 000V_ 400 0V_ 600V 400 0uA 2000A Diode Tester Voltage Typical Type K Temperature RANGE Accuracy 20 C TO
3. GE CATEGORY IV is for use at the origin of the installation Note Examples include electricity meters and primary over current protection equipment TERMS IN THIS MANUAL A WARNING Identifies conditions and actions that could result in serious injury or even death to the user CAUTION Identifies conditions and actions that could cause damage or malfunction in the instrument 2 A WARNING To reduce the risk of fire or electric shock do not expose this product to rain or moisture The meter is intended only for indoor use To avoid electrical shock hazard observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms These voltage levels pose a potential shock hazard to the user Inspect test leads connectors and probes for damaged insulation or exposed metal before using the instrument If any defects are found replace them immediately Do not touch test lead tips or the circuit being tested while power is applied to the circuit being measured To avoid accidental short circuit of bare un insulated hazardous live conductors or bus bars switch them off before insertion and removal of the current clamp jaws Contact with the conductor could result in electric shock Keep your hands fingers behind the hand finger barriers that indicate the limits of safe access of the meter and the test leads during measurement A CAUTION Disconnect the test leads from the test points before changing mete
4. INSTRUCTION MANUAL ACD 14 TECH CLAMP Law EIL INEEN TT at HE ATTA TIND TM AN AMPROBE 1 Congratulations Your new instrument has been crafted according to quality standards and contains quality components and workmanship It has been inspected for proper operation of all of its functions and tested by qualified factory technicians according to the long established standards of AMPROBE 1 SAFETY This manual contains information and warnings that must be followed for operating the instrument safely and maintaining the instrument in a safe operating condition If the instrument is used in a manner not specified by the manufacturer the protection provided by the instrument may be impaired This meter meets the requirements for double insulation to IEC61010 2 032 1994 EN61010 2 032 1995 UL3111 2 032 1999 Category III 600 Volts ac and dc OVERVOLTAGE INSTALLATION CATEGORIES PER IEC61010 OVERVOLTAGE CATEGORY Il Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE CATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations Note Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTA
5. aking any measurement Large value capacitors should be discharged through an appropriate resistance load IEI AAA ACA Current clamp on function Inputs are made through the clamp on jaws for non invasive ACA current measurements Press the OFF push button momentarily to power on and off the separate ACA function upper display The MAX HOLD push button can also be used to power on this function This twin ACA function display can be used simultaneously with voltage measurements or any of the other slide switch functions lower display or it can be used alone CAUTION Clamp the jaws around only one single conductor of a circuit for load current measurement Enclosing more than one conductor of a circuit will result in differential current like identifying leakage current measurement 8 Make sure the jaws are completely closed or else it will introduce measurement errors Strong Electro magnetic field environments such as high current transformers motors and conductors may affect measurement accuracy Temperature function Insert the banana plug type K temperature bead probe TPK 59 observing the proper polarities Move the slide switch to the F C position The unit defaults at degree C Celsius Press SELECT button momentarily to select degree F Fahrenheit uA Current function Inputs are made through the test leads terminals Move the slide switch to the uA posi
6. bserve polarity Replace the bottom case Note Take care to insure that the two 2 springs located near the lower battery line up with the speaker in the rear cover Re fasten the screws eK oS Se Nlet S iy 6 Specifications General Specifications Display 3 3 4 digits 4000 counts dual LCD displays Update Rate 3 per second nominal Polarity Automatic Low Battery Indication Below approx 2 4V Operating Temperature 32 F to 104 F 0 C to 40 C Relative Humidity Maximum relative humidity 80 for temperatures up to 88 F 31 C decreasing linearly to 50 relative humidity at 104 F 40 C Altitude Operating below 6 562 ft 2000m Storage Temperature 4 F to 140 F 20 C to 60 C lt 80 R H with battery removed Temperature Coefficient nominal 0 09 x specified accuracy F 32 F 64 F or 82 F 104 F 0 C 18 C or 28 C 40 C or otherwise specified sensing Average sensing Power Supply Two 3V alkaline button batteries ANSI NEDA 5004LC IEC CR2032 Battery Life 95 hours approx in DCV mode Power Consumption 2 5 mA typical Low Battery Indication Below approx 2 4V battery symbol appears in upper right Auto Power Off After being idle for 30 minutes APO Consumption 0 8uA typical except 25uA typical for temperature function Dimension L 7 48 X W 2 48 X H 1 25 L190mm X W 63mm X H 32mm Weight 0 450 Lb approx 204 g Jaw opening a
7. ce false results and may damage the instrument In many cases the suspected component must be disconnected from the circuit to obtain an accurate measurement reading 6 O Resistance and Continuity functions Inputs are made through the test leads terminals Move the slide switch to the Q position The unit defaults at Q Press SELECT button momentarily to select Continuity function which is convenient for checking wiring connections and operation of switches A continuous beep tone indicates a complete wire Diode test function Inputs are made through the test lead terminals Move the slide switch to the Q position The unit defaults at Q Press SELECT button momentarily 2 times to select Diode test function Normal forward voltage drop forward biased for a good silicon diode is between 0 400V to 0 900V A reading higher than that indicates a leaky diode defective A zero reading indicates a shorted diode defective An OL indicates an open diode defective Reverse the test leads connections reverse biased across the diode The digital display shows OL if the diode is good Any other readings indicate the diode is resistive or shorted defective 1 Capacitance function Inputs are made through the test leads terminals Move the slide switch to the Q position The unit defaults at Press SELECT button momentarily 3 times to select dk Capacitance function A CAUTION Discharge capacitors before m
8. minals Move the slide switch to the V position The unit defaults at DC voltage Press SELECT button momentarily to select AC voltage To activate the Hz Frequency function press the Hz button momentarily Note 400 0mV range is designed with 1000MQ high input impedance for least current drain in measuring small signals and can cope better with most commercially available voltage output transducers adapters The non zero display reading is normal when the meter inputs are open circuit which will not affect actual measurement accuracy The 5 meter will show close to zero reading when the inputs are shorted Open input is actually a floating condition which is not a zero volt input condition Note Hz input sensitivity varies automatically with function range selected while activating the Hz function Lowest range has the highest sensitivity and the highest range has the lowest sensitivity Activating the Hz function WHILE measuring the specific function signal auto ranging can automatically select the best sensitivity range to avoid electrical noise that may cause unstable Hz reading However if the Hz reading shows zero due to insufficient sensitivity activate the Hz function BEFORE measuring the specific function signal The meter is then in the lowest range and can select the highest sensitivity range A Caution Measuring Resistance Continuity Diode or Capacitance function on a live circuit will produ
9. mp Conductor diameter 1 02 max 26mm Standard Accessories Test leads pair banana plug style bead Type K Thermocouple batteries installed user s manual amp soft carrying pouch Replacement Part Numbers Test Leads pair MTL 90B Bead Type K Thermocouple TPK 59 Carrying Case SV U Safety Meets IEC61010 2 032 1994 EN61010 2 032 1995 UL3111 2 032 1999 Category III 600 Volts AC amp DC CE Approved UL Listed Transient protection 6 5kV 1 2 50us surge for all models Pollution degree 2 13 E M C Meets EN61326 1997 1998 A1 EN61000 4 2 1995 and EN61000 4 3 1996 In an RF field of 3V m Capacitance function is not specified uA function Total Accuracy Specified Accuracy 65 digits Other function ranges Total Accuracy Specified Accuracy 45 digits Performance above 3V m is not specified Overload Protections ACA Clamp on jaws AC 400A RMS continuous amp COM terminals all functions OOVDC VAC RMS Electrical Specifications Accuracy is reading digits number of digits or otherwise specified at 73 F 9 F 23 C 5 C amp less than 75 R H DC Voltage RANGE 400 0 mV 0 3 4d 4 000V 40 00V 0 5 3d 400 0V NMRR gt 50dB 50 60Hz CMRR gt 120dB DC 50 60Hz Rs 1kQ Input Impedance 10MQ 30pF nominal 1000MO for 400 0mV range AC Voltage ANGE 50Hz 500Hz Accuracy 1 1 5 5d 400 0V OOV 2 0 5d CMRR gt
10. ng procedures as described in this User s Manual If the instrument voltage resistance input terminal is subjected to a high voltage transient e g lightning or switching surge by accident or abnormal conditions of operation the series fusible resistors will be blown become high impedance like fuses to protect the user and the instrument Most measuring functions through this terminal will then be an open circuit A qualified technician should then replace the series fusible resistors and the spark gaps Refer to the LIMITED WARRANTY section for obtaining warranty or repair service Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent do not use abrasives or solvents If the meter is not to be used for periods of longer than 60 days remove the batteries and store them separately 11 Battery replacement The meter uses 2 standard 3V alkaline button batteries ANSI NEDA 5004LC IEC CR2030 The lower battery is used for the slide switch functions and the upper battery is used for the upper display ACA function separately Low Battery Indication When the battery voltage drops below approx 2 4V a battery symbol will appear in the upper right corner of the LCD display indicating that the battery needs replacing To replace the batteries loosen the two screws from the case bottom and remove the bottom case Slide the battery out the side of the holder see example below and replace with a new battery o
11. r functions INTERNATIONAL ELECTRICAL SYMBOLS Caution Refer to the explanation in this Manual Caution Risk of electric shock Earth Ground Double Insulation or Reinforced insulation Fuse AC Alternating Current DC Direct Current i utp 2 CENELEC Directives This instrument conforms to CENELEC Low voltage directive 73 23 EEC and Electromagnetic compatibility directive 89 336 EEC 3 3 PRODUCT DESCRIPTION Note Please refer to Specification Section for function details 1 Clamp Jaw for AC current magnetic field pick up 2 Hand Finger Barrier to indicate the limits of safe access of the meter during measurement 3 Power ON OFF buttons for ACA current function and MAX Hold features 4 Push button for frequency selection GOODY GATES M JA gt m 5 Input Jack for all functions EXCEPT clamp on ACA current function pana poem En a an 6 Common Ground reference Input Jack for all functions EXCEPT clamp on ACA current function a id imm 7 Slide switch Selector to turn the lower display ON OFF and to Select functions 8 Lower Display for Input Jack functions 3 3 4 digits 4000 counts LCD 9 Upper Display for ACA current Clamp on 3 3 4 digits 4000 counts LCD 10 Jaw trigger for opening the ACA current clamp jaw 4 OPERATION ie T3A Pe OAN OTTO Egy hi i AAN DC Voltage AC Voltage Hz Frequency functions Inputs are made through the test lead ter
12. t to ground HOLD The hold feature freezes the upper ACA display for later viewing Press the HOLD button momentarily to activate or exit this feature MAX The Max feature compares and displays the measured maximum value on the upper ACA display as fast as 25ms with auto ranging capability Press the MAX button for 1 second or more to activate or exit this feature 10 Auto ranging When there is more than one measuring range under a selected meter function the LED annunciator a turns on in the upper left corner The meter will automatically switch to the best resolution range when making measurements No manual ranging selection is required Auto Power Off APO When the meter is on the Auto Power Off APO feature will switch the meter into a sleep mode automatically to extend battery life after approximately 30 minutes of the last front panel activity To wake up the meter from APO press the buttons momentarily or move the slide switch to the OFF position and then back on again Always set the slide switch to the OFF position manually when the meter is not in use 5 MAINTENANCE A WARNING To avoid electrical shock disconnect the meter from any circuit remove the test leads from the input jacks and turn OFF the meter Before opening the case Do NOT operate with open case Trouble Shooting If the instrument fails to operate first check the batteries and test leads etc and replace as necessary Double check the operati
13. tion The unit defaults at DC Press SELECT button momentarily to select AC You can select the Hz function by momentarily pressing the Hz button 9 Application notes 1 The DC uA function is designed especially for HVAC R flame sensor applications The 0 1uA resolution is useful for identifying the minute current changes in flame detector applications Flame signal current check should indicate steady flame signal of at least 2uA for a rectification type 1 5uA for an ultraviolet type or 8uA for self checking systems If a flame signal current with inadequate strength or fluctuation beyond 10 check the following to avoid the risk of unwanted flame relay dropout 1 1 For gas or oil flames Minipeeper Low supply voltage Detector location Defective detector wiring Dirty viewing windows Faulty Minipeeper 1 2 For oil flames Photocell Detector location amp wiring Smoky flame or poorly adjusted air shutter Faulty Photocell Temperature over 165 F 74 C at photocell 1 For gas flames Flame Rod Ignition interference A flame signal current difference with the ignition both on and off greater than 0 5uA indicates the presence of ignition interference Insufficient ground must be at least 4 times the detector area Flame lifting off burner head ground or not continuously in contact with the flame rod Temperature in excess of 600 F 316 C at the flame electrode insulator causing shor
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