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MINI DIGITAL CLAMP TESTER

M-280

FEATURES

  • Useful for DC A measurement for automobile service.
  • Data-hold function. Especially useful when working in dark or hard to get areas
  • Accurate gearing mechanism for closing of CT.
  • Ultra compact size.

M-290 RMS

FEATURES

  • Ultra compact size and high accuracy AC/DC clamp-on tester.
  • Data hold function. Especially useful when working in dark or hard to get areas.
  • Wide range of current measurments from AC/DC 0.01A to 200A with 30㎜φ CT and up to 1000A with 40㎜φ CT.

M-2020

FEATURES

  • 40㎜φ CT window and ultra compact size
  • Low cost and multi-function clamp tester.
  • Data-hold function and auto power off.
  • Conform to IEC safety requirements.
SPECIFICATIONS M280 M290 TRMS M2020
Measuring Function : Range AC Current:1000A
DC Current:1000A
AC Voltage:500V
DC Voltage:500V
Resistance:600Ω
AC Current:40A/400A DC Current:40A/400A
AC Voltage:60V/600V
DC Voltage:60V/600V
Resistance:1000Ω
AC Current:30A/300A (2 ranges auto)
AC Voltage:3V~500V (4 ranges auto, 50/60Hz)
DC Voltage:300mV~500V(5 ranges auto)
Resistance:300Ω/3000Ω (2 ranges auto)
Accuracy (23℃±5℃, 80%RH or less)
Range/Input range/Accuracy
AC Current (ACA)/0~600A/±1.5%rdg±8dgt
AC Current (ACA)/600.1~999.9A/±3%rdg±8dgt
DC Current (DCA)/0~±600A/±1.5%rdg±6dgt
DC Current (DCA)/±600.1~±999.9A/±3%rdg±6dgt
AC Voltage (ACV)/0~500V/±1.0%rdg±8dgt
DC Voltage (DCV)/0~500V/±1.0%rdg±6dgt
Resistance (Ω)/0~600Ω/±1.5%rdg±8dgt
(23℃±5℃, 80%RH or less)
Range/Resolution/Accuracy
AC 40A/0.01A/±1.5%rdg±5dgt(50/60Hz)
AC 400A/0.1A/±1.5%rdg±8dgt(50/60Hz)
DC 40A/0.01A/±1.5%rdg±3dgt
DC 400A/0.1A/±1.5%rdg±5dgt
AC 60V/600V/0.01V/±1.0%rdg±8dgt
DC 60V/600V/0.01V/±1.0%rdg±6dgt
1000Ω/0.1Ω/±1.5%rdg±8dgt
(23℃±5℃ 80%RH or less)
AC Current (ACA) 0~300A:±2%rdg±8dgt
AC Voltage(ACV) 0~500V:±2.3%rdg±6dgt
DC Voltage (DCV) 0~500V:±1.3%rdg±3dgt
Resistance (Ω) 0~3000Ω:±2%rdg±5dgt
Jaw opening capability 30mmφ 40mmφ
AC Conversion Average sensing rms reading True rms responding Average sensing rms reading
Safety standard IEC61010-1, IEC61010-2-032
Installation CategoryⅡ 600V or CategoryⅢ 300V
IEC61010-1, IEC61010-2-032
Installation CategoryⅡ 600V or CAT Ⅲ 300V
IEC61010-1, IEC61010-2-032
Installation CategoryⅡ 600V or CategoryⅢ 300V
E.M.C. standard EN 61326 EN 61326 EN 50081-1 and EN 50082-1
Display 4 digit LCD max. reading of 9999 3.5 digit LCD max. reading of 3999 3.5 digit LCD max. reading of 3200
Sampling time 2 times/sec
Measuring method Dual slope integration mode
Crest factor - < 2.5 -
Max. memory function "Max" mark on LCD with max. value - -
Min. memory function "Min" mark on LCD with min. value - -
Over range indication "OL" mark on LCD
Data hold indication "DH" mark on LCD
Low battery indication "B" mark on LCD
Auto power off Approx. 10 minutes later after power on
Polarity "-" sign for negative polarity
DC current zero offset By push button switch
Withstanding Voltage AC 3700V 1 minute max. (Between the core of CT and outer case)
Limitation of circuit voltage Less than AC/DC 600V Less than AC 500V
Storage Temperature -10℃ ~ 60℃ < 70%RH ( without condensation )
Operating Temperature 0℃ ~ 40℃ < 80%RH ( without condensation )
Power supply LR-44×2 1.5V (AM-4, LR03 or AAA)×3 SR-44(1.55V)×2 or LR-44×2
Power consumption Approx. 12mW Approx. 9mA 5mW
Battery life Approx. 6 hours continuous Approx. 90 hours continuous SR-44(200 hours), LR-44(100 hours)
Weight Approx. 95g Approx. 135g Approx. 100g
Size 44.5(W)×177(H)×24(D)mm 45(W)×180(H)×24(D)mm 64(W)×193(H)×24(D)mm
Accessories Soft case:1
Instruction manual:1
Test lead:1
Batteries LR-44(1.55V):2
Soft case:1
Instruction manual:1
Test lead:1
Batteries:2
Soft case:1
Instruction manual:1
Test lead:1
Batteries LR-44(1.55V):2