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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.
SPECIFICATIONSM280M290 TRMSM2020
Measuring Function : RangeAC 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 capability30mmφ40mmφ
AC ConversionAverage sensing rms readingTrue rms respondingAverage sensing rms reading
Safety standardIEC61010-1, 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. standardEN 61326EN 61326EN 50081-1 and EN 50082-1
Display4 digit LCD max. reading of 99993.5 digit LCD max. reading of 39993.5 digit LCD max. reading of 3200
Sampling time2 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 offApprox. 10 minutes later after power on
Polarity"-" sign for negative polarity
DC current zero offsetBy push button switch
Withstanding VoltageAC 3700V 1 minute max. (Between the core of CT and outer case)
Limitation of circuit voltageLess than AC/DC 600VLess than AC 500V
Storage Temperature-10℃ ~ 60℃ < 70%RH ( without condensation )
Operating Temperature0℃ ~ 40℃ < 80%RH ( without condensation )
Power supplyLR-44×21.5V (AM-4, LR03 or AAA)×3SR-44(1.55V)×2 or LR-44×2
Power consumptionApprox. 12mWApprox. 9mA5mW
Battery lifeApprox. 6 hours continuousApprox. 90 hours continuousSR-44(200 hours), LR-44(100 hours)
WeightApprox. 95gApprox. 135gApprox. 100g
Size44.5(W)×177(H)×24(D)mm45(W)×180(H)×24(D)mm64(W)×193(H)×24(D)mm
AccessoriesSoft 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