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1. 50V to 100V 70V to 140V above 100V Indication Bar graph segments amp audible beep tones proportional to the field strength Detection Frequency 50 60Hz Detection Antenna Top end of the meter Probe C ontact EF Detection For more precise indication of live wires such as distinguishing between live and ground connections use the Red test probe for direct contact measurements Diode Tester BM685 only Test Current Open Circuit Voltage 0 25mA typical lt 1 6VDC typical 600Q with Continuity Beeper BM685 only Accuracy 600 00 2 0 6d 2 Continuity Beeper Response lt 100us Open Circuit Voltage 0 4VDC typical Audible Threshold between 50Q and 250Q Add 30d to specified accuracy while reading is below 20 of range 12 Capacitance BM685 only PRANGE Acracy O 00 0nF 3 5 45d 1 5 2 5 54 Accuracies with film capacitor or better Accuracy below 50nF is not specified P N 7M1C 0541 0000 PRINTED IN TAIWAN LIMITED WARRANTY BRYMEN warrants to the original product purchaser that each product it manufactures will be free from defects in material and workmanship under normal use and service within a period of one year from the date of purchase BRYMEN s warranty does not apply to accessories fuses fusible resistors spark gaps batteries or any product which in BRYMEN s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or
2. aa hn ee aC OC NKA F aT biti ot mhz SELECT HOLD EF TEE GOO am c LISTED 82CM CAT Ill ONLY ole IEC61010 1 2nd Ed GAT IV 685 AutoCheck DMM la COM A O O 1kV CAT IV USER S BM685 BRYMEN BRIGHT PEOPLE S CHOICE 680F01 BM682 amp BM685 USER S MANUAL ae a Gy E ure 1 PRODUCT DESCRIPTION E or Note Top of the line model is nT T ai used as representative for ul av ea aad Vy illustration purposes Please SELECT HOLD EF refer to your respective model CO for function availability dk DE 6002 we 1 3 5 6 digits 6000 counts LCD display 2 Push button for special functions amp features 82CM CAT III ONLY we ea 3 Selector to turn the Power pa On or Off and select a function 685 AutoCheck D 4 Common Ground reference Input J ack for all functions 5 Input Jack for all functions 2 SAFETY Terms in this manual 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 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 ins
3. or AC 1 5V up to the rated 1000V Is present the meter displays the voltage value in appropriate DC or AC whichever larger in peak magnitude eOveroacAlet Feature When above rated 1000V is present the meter displays OL with a warning beep tone for over range indication Disconnect the test leads from the signal immediately to avoid hazards 4 Note k Feature BIM685 only When a measurement reading is being displayed in AutoCheck mode press the RANGE button momentarily 1 time can lock the function range it was in The LCD annunciator PNKA turns off Range lock can speed up repetitive measurements Press the button momentarily repeatedly to step through the ranges Press and hold the button for 1 second or more to resume AutoCheck mode As Hezardous Alert When making resistance measurements in AutoCheck mode an unexpected display of voltage readings alerts you that the object under test is being energized Ghostvoltage buster Ghost voltages are unwanted stray signals coupled from adjacent hard signals which confuse common multimeter voltage measurements Our AutoCheck mode provides low ramp up input impedance approx 4kQ at low voltage to drain ghost voltages leaving mainly hard signal values on meter readings It is an invaluable feature for precise indication of hard signals such as distinguishing between hot and open wires to ground in electrical installation applications WARNING AutoCheck mod
4. 5VDC amp lt 1 0VDC nominal AutoCheck Lo Z DCV Input Impedance Initially 4 2kQ 90pF nominal Impedance increases abruptly within a fraction of a second as display voltage is above 50V typical Ended up impedances vs display voltages typically are 18kQ 100V 125kQ 300V 320kQ 600V 500kQ 1000V WR ange for BM685 only and can only be entered using RANGE button Use the 6000mV range for voltage output accessories 10 BM682 BM685 50Hz 400Hz 6000mV 2 6 000V 60 00V 00 0V 000V 2 8 8d CMRR gt 60dB DC to 60Hz Rs 1kQ Hi Z ACV BM685 only Input Impedance 5MQ 90pF nominal AutoCheck Lo Z ACV Threshold gt 2VAC 50 60Hz nominal AutoCheck Lo Z ACV Input Impedance Initially 4 2kQ2 90pF nominal Impedance increases abruptly within a fraction of a second as display voltage is above 50V typical Ended up impedances vs display voltages typically are 18kQ 100V 125kQ 300V 320kQ 600V 460kQ 1000V WR ange for BM685 only and can only be entered using RANGE button Use the 6000mV range for voltage output accessories AC Voltage Ohms BM682 BM685 6 000KQ 2 0 9 4d3 0 9 403 Open Circuit Voltage 0 4VDC typical 1 C ool down interval 2 minutes after over 50V measurements in Auto VQ position 2 Continuity Beeper turns on while lt 0 025kQ 3 Add 20d to specified accuracy while reading is below 20 of range I1 Non Contact EF Detection Typical Voltage Bar Graph Indication 15V to 50V 30V to 70V
5. Continuity response time is also improved drastically from that of AutoCheck mode under such stand alone range architecture Audible Continuity is convenient for checking wiring connections and operation of Switches A continuous beep tone indicates a complete circuit Press SELECT button momentarily selects Diode test function The reading shows the approximate voltage drop across the test leads When forward biased normal forward voltage drop 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 and the meter gives a continuous beep warning An OL indicates an open diode defective Reverse the test leads connections reverse biased across the diode The display shows OL if the diode Is good Any other readings indicate the diode Is resistive or shorted defective Press SELECT button momentarily AGAIN selects Capacitance function Capacitance measurement time varies with capacitance value Only a few seconds is required for measuring values of below 100uF However one minute Or more is required for measuring extreme values of around 2000uF 6 Electric Field EF Detection At any function press the EF button momentarily to toggle to EF Detection feature The meter displays EF when it is ready Signal strength is indicated as a series of bar graph segments on the display plus variable beep tones e Non Contact EF Det
6. e input impedance increases abruptly from initial 4 2kQ to a few hundred KO s on high voltage hard signals LaZ displays on the LCD to remind the users of being in such low impedance mode Peak initial load current while probing 1000VAC for example can be up to 337mA 1000V x 1 414 4 2kQ decreasing abruptly to approx 2 8mA 1000V x 1 414 500kQ within a fraction of a second Do not use AutoCheck mode on circuits that could be damaged by such low input impedance Instead use rotary selector Y or Y common input impedance voltage modes BM685 only Hi Z of approx 5MQ to minimize loading for such circuits V Hi Z ACV function BM685 only Rotate the rotary selector to the V position selects common impedance Hi Z AC voltage measurements The AC annunciator turns on Input impedance is set at approximately 5MQ to minimize loading on circuits under tests 5 V Hi Z DCV function BM685 only Rotate the rotary selector to the V position selects common impedance Hi Z DC voltage measurements There is no annunciator for DC Input impedance is set at approximately 5MQ to minimize loading on circuits under tests 600Q PF 4 functions amp SELECT button BM685 only Rotate the rotary selector to the 60002 F 4 position 60002 Resistance range with Audible Continuity is the default function It is an extended low resistance range to complement the Resistance Q function in AutoCheck mode Audible
7. ection An antenna is located along the top of the meter which detects electric field surrounds current carrying conductors It is ideal for tracing live wiring connections locating wiring breakage and to distinguish between live or earth connections e Probe Contact EF Detaction F or more precise indication of live wires such as distinguishing between live and ground connections use the Red test probe for direct contact measurements HOLD feature The Hold feature freezes the display for later viewing Press the HOLD button momentarily to toggle to the Hold feature The annunciator turns on RANGE feature B M685 only When the function selected has more than one range press the RANGE button momentarily selects manual ranging The meter remains in the range it was in The LCD annunciator PUAKA turns off Press the button momentarily again to step through the ranges Press and hold the button for 1 second or more to resume auto ranging Note RANGE feature is not available to 600Q gt F 4F functions To use RANGE feature in AutoCheck mode please see Range Lock Feature as explained in footnotes of AutoCheck mode section Auto Power Off APO The meter turns off intelligently after approximately 3 minutes of neither significant measurement nor button switch activity To wake up the meter from APO press any button or turn the rotary selector to OFF and back on again Always turn the rotary select
8. eter where applicable are marked as UL Listed Cat Ill only and UL Classified to IEC61010 1 2nd Ed Cat IV Transient Protection 12kV lightning surge 1 2 50us Measurement Category CAT IV 1000V AC amp DC E M C Meets EN61326 1997 1998 A1 EN61000 4 2 1995 amp EN61000 4 3 1996 In an RF Field of 3V m Capacitance function is not specified Other function ranges Total accuracy Specified accuracy 45d Performance above 3V m is not specified Overload Protection 1000VDC amp VAC rms Low Battery Below approx 4 5V Power Supply Standard 9V battery NEDA1604 J IS006P or IEC 6F 22 or 9V alkaline battery NEDA1604A IS6AM6 or IEC6LF 22 Power Consumption typical 2mA APO Consumption typical 2uA APO Timing Idle for 3 minutes Dimension L173mm x W83mm x H48 5mm Weight Approx 300 gm Special Features AutoCheck Automatic V amp Q Selection Display Hold and EF Detection Accessories Battery installed Test lead pair and User s manual Optional Accessories Soft carrying pouch Electrical Specification Accuracy is given as of reading digits number of digits or otherwise specified 23 C 5 C and less than 75 R H DC Voltage BM685 1 3 42d 0 8 42d 1 3 42d 1 3 41d 1 2 4d 1 2 4d 1 5 80 1 5 80 NMRR gt 30dB 50Hz 60Hz CMRR gt 100dB DC 50Hz 60Hz Rs 1kQ Hi Z DCV BM685 only Input Impedance 5MQ 90pF nominal AutoCheck Lo Z DCV Threshold gt 1
9. ges above 60 VDC or 30 VAC rms These voltage levels pose a potential shock hazard to the user Do not touch test lead tips or the circuit being tested while power is applied to the circuit being measured Keep your fingers behind the finger guards of the test leads during measurement Inspect test leads and probes for damaged insulation or exposed metal before using the meter If any defects are found replace them immediately 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 3 CENELEC DIRECTIVES The instrument conforms to CENELEC Low voltage directive 73 23 EEC and Electromagnetic compatibility directive 89 336 EEC 4 OPERATION Note All function operations described hereafter are via the Input J ack for positive polarity and COM Input J ack for Ground reference or otherwise specified AutoCheck mode This innovative AutoCheck feature automatically selects measurement function of DCV ACV or Resistance Q based on the input via the test leads eWith no input the meter displays Auto when itis ready eWith no voltage signal but a resistance below 6MQ is present the meter displays the resistance value When below 25Q2 is present the meter further gives a continuity beep tone eWhen a signal above the threshold of DC 1 2V
10. handling To obtain warranty service contact your nearest BRYMEN authorized agent or send the product with proof of purchase and description of the difficulty postage and insurance prepaid to BRYMEN TECHNOLOGY CORPORATION BRYMEN assumes no risk for damage in transit BRYMEN will at its option repair or replace the defective product free of charge However if BRYMEN determines that the failure was caused by misused altered neglected or damaged by accident or abnormal conditions of operation or handling you will be billed for the repair THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE BRYMEN WILL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES SLL 3ROL AGU Swiss Technology Company ELBRO LTD e Gewerbestrasse 4 e P O Box 11 e CH 8162 Steinmaur e Phone 41 0 44 854 73 00 Fax 41 0 44 854 73 01 e e mail info elbro com e www elbro com P N 7M1C 0541 0000
11. or to OFF when the meter is not in use 5 MAINTENANCE 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 and or the battery access door Do not operate with open case Do not attempt to repair this unit It contains no user Serviceable parts 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 battery and store it separately Trouble Shooting If the instrument fails to operate check battery leads etc and replace as necessary Double check operating procedure as described in this user s manual If the instrument voltage resistance input has subjected to high voltage transient mostly caused by lightning or switching surge to your system by accident or abnormal conditions of operation the series fusible resistors will be blown off become high impedance like fuses to protect the user and the instrument Most measuring functions through this input will then be open circuit The series fusible resistors and the spark gaps should then be replaced by qualified technician Refer to the LIMITED WARRANTY section for obtaining warranty or repairing service Battery replacement When low battery icon I turns on replace the battery ASAP to maintain meter accuracy and functionality The me
12. ter uses one 9V battery Standard 9V battery NEDA1604 JIS006P or IEC6F 22 or 9V alkaline battery NEDA1604A IS6AM6 or IEC6LF 22 Loosen the 2 screws from the battery access door of the case bottom Lift the battery access door and thus the battery compartment up Replace the battery Re fasten the screws 6 SPECIFICATION GENERAL SPECIFICATIONS Display 3 5 6 digits 6000 counts Update Rate 5 per second nominal Operating Temperature 10 C 50 C Relative Humidity Maximum relative humidity 80 for temperature up to 31 C decreasing linearly to 50 relative humidity at 50 C Altitude Operating below 2000m Storage Temperature 30 C 60 C lt 80 R H with battery removed Temperature Coefficient Nominal 0 15 x specified accuracy C 10 C 18 C or 28 C 50 C or otherwise specified Sensing Average sensing Pollution Degree 2 Safety Meets EN61010 1 and IEC61010 1 2nd Edition 2001 to CAT IV 1000V Also meets UL61010B 1 and CSA C22 2 No 1010 1 92 to CAT III 1000V Category IV safety standard for DMMs was first released in IEC61010 1 2nd Edition in year 2001 and was yet an UL published standard at the time this manual was written UL Certification The meter that bears the UL markings if any has been investigated by UL headquarter in the USA per UL standard UL61010B 1 to its highest CAT III rating and international standard IEC61010 1 Second Edition year 2001 to CAT IV rating The UL markings on the m
13. trument may be impaired The meter is intended only for indoor use The meter is protected against the users by double insulation per EN61010 1 and IEC61010 1 2nd Edition 2001 to CAT IV 1000V The meter also meets UL61010B 1 and CSA C22 2 No 1010 1 92 to CAT Ill 1000V Category IV safety standard for DMMs was first released in IEC61010 1 2nd Edition in year 2001 and was yet an UL published standard at the time this manual was written Measurement Category IV CAT IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units Measurement Category Ill CAT Ill is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed installation and equipment for industrial use and some other equipment for example stationary motors with permanent connection to the fixed installation Measurement Category Il CAT Il is for measurements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment WARNING To reduce the risk of fire or electric shock do not expose this product to rain or moisture Observe the proper safety precautions when working with volta

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