CMM-40 Industrial Multimeter

The most important features of CMM-40 are:

  • autoranging/manual range selection,
  • „DATA HOLD” function, for holding measured values,
  • „REL” function, which allows you to make measurements relative to a stored reference value,
  • „MAX/MIN” function,
  • „PEAK HOLD” function,
  • memory for 2000 measurement resultS,
  • continuity test with acoustic signalling (beeper),
  • „AUTO-OFF” function,
  • display 4¾ digits (40000 max),
  • double molded, waterproof casing.

25,999

Industrial multimeter CMM-40 was designed for the purpose of measurements of AC/DC voltage, AC/DC current, resistance, capacitance, frequency (electrical and electronic), duty cycle, temperature and also for testing diodes and continuity.

Category:

Frequency measurement (electronic)

RangeResolutionAccuracy
40,000 Hz0,001 Hz±(0,1% m.v. + 1 digit)
400,00 Hz0,01 Hz
4,0000 kHz0,0001 kHz
40,000 kHz0,001 kHz
400,00 kHz0,01 kHz
4,0000 MHz0,0001 MHz
40,000 MHz0,001 MHz
100,00 MHz0,01 MHznot speccified
  • Sensitivity: 0.8 V rms min. @ 20% to 80% duty cycle and <100 kHz; 5 V rms min @ 20% to 80% duty cycle and > 100 kHz

Frequency measurement (electrical)

RangeResolutionAccuracy
40,00 Hz…10,000 kHz0,01 Hz…0,001 kHz± 0,5% m.v.
  • sensitivity: 1 V rms

Duty cycle measurement

RangeResolutionAccuracy
0,10…99,00%0,01%±(1,2% m.v. + 2 digits)
  • pulse width: 100μs – 100 ms,
  • frequency width: 5 Hz…150 kHz.

Temperature measurement

RangeResolutionAccuracy
-50,0°C…+1200,0°C0,1°C±(1% m.v. + 2,5°C)
-58,0°F…+2192,0°F0,1°F±(1% m.v. + 4,5°F)

DC voltage measurement

RangeResolutionAccuracy
400,0 mV0,01 mV±(0,06% m.v. + 4 digits)
4,0000 V0,0001 V
40,000 V0,001 V
400,00 V0,01 V
1000,0 V0,1 V±(0,1% w.m. + 5 cyfr)

AC voltage measurement (True RMS)

RangeResolutionAccuracy
400,00 mV0,01 mV±(1% m.v. + 40 digits)
4,0000 V0,0001 V±(1% m.v. + 30 digits)
40,000 V0,001 V
400,00 V0,01 V
1000,0 V0,1 V
  • frequency range: 50…1000 Hz.

AC/DC current measurement (True RMS)

RangeResolutionAccuracy
400,00 μA0,01 μAdla DC ±(1,0% m.v. + 3 digits)

dla AC ±(1,5% m.v. + 30 digits)

4 000,0 μA0,1 μA
40,000 mA0,001 mA
400,00 mA0,01 mA
10,000 A0,001 A
  • 20 A: 30 sec max with reduced accuracy.

Resistance measurement

RangeResolutionAccuracy
400,00 Ω0,01 Ω±(0,3% m.v. + 9 digits)
4,0000 kΩ0,0001 kΩ±(0,3% m.v. + 4 digits)
40,000 kΩ0,001 kΩ
400,00 kΩ0,01 kΩ
4,0000 MΩ0,0001 MΩ
40,000 MΩ0,001 MΩ±(2,0% m.v. + 10 digits)

Capacitance measurement

RangeResolutionAccuracy
40,000 nF0,001 nF±(3,5% m.v. + 40 digits)
400,00 nF0,01 nF
4,0000 μF0,0001 μF±(3,5% m.v. + 10 digits)
40,000 μF0,001 μF
400,00 μF0,01 μF
4000,0 μF0,1 μF±(5% m.v. + 10 digits)
40,000 mF0,001 mF

Other technical data:

  • power supply: 9 V battery type 6LR61
  • diode test: I=0,9 mA, U0 = 2,8 V DC
  • continuity test: I<0,35 mA, sound signal for R<35 Ω
  • over range indication: 0L displayed
  • crest factor: ≤ 3 at full scale up to 500 V; decreasing linearly to ≤ 1,5 at 1000 V
  • PEAK: captures peaks >1 ms
  • sampling rate: 2 times per second
  • input impedance: 10 MΩ (V DC), 9 MΩ (V AC)
  • display: 40000 counts backlit LCD with bargraph, 4¾ digits
  • store capacitance: 2000
  • dimensions: 187 x 81 x 55 mm
  • weight: 342 g
  • fuses: mA, µA range: 0,5 A/1000 V ceramic fast blow; A range: 10 A/1000 V ceramic fast blow
  • auto power OFF: 15 min.
  • accordance with following standards: EN 61010 – 1:2004, EN 61010 – 2 – 032

Electric security:

  • type of insulation: double, according to EN 61010 – 1 and IEC 61557
  • measurement category: CAT III 1000 V acc. to EN 61010 – 1:2004
  • protection class acc. to EN 60529: IP67

Rated operational conditions:

  • operating temperature: 0…+40°C
  • storage temperature: -20…+60°C
  • operating humidity: max 80% up to 87°F (31°C); decreasing linearly to 50% at 104°F (40°C)
  • operating altitude: max 2000 m

„m.v.”- measured value

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