CMM-40
Index: WMXXCMM40
Industrial multimeter
Description
Technical Specification
Files
  • Description

    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.

  • Technical Specification

    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.

    Frequency measurement (electronic)

    Range Resolution Accuracy
    40,000 Hz 0,001 Hz
    ±(0,1% m.v. + 1 digit)
    400,00 Hz 0,01 Hz
    4,0000 kHz 0,0001 kHz
    40,000 kHz 0,001 kHz
    400,00 kHz 0,01 kHz
    4,0000 MHz 0,0001 MHz
    40,000 MHz 0,001 MHz
    100,00 MHz 0,01 MHz not 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)

    Range Resolution Accuracy
    40,00 Hz...10,000 kHz 0,01 Hz...0,001 kHz ± 0,5% m.v.
    • sensitivity: 1 V rms

    Duty cycle measurement

    Range Resolution Accuracy
    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

    Range Resolution Accuracy
    -50,0°C...+1200,0°C 0,1°C ±(1% m.v. + 2,5°C)
    -58,0°F...+2192,0°F 0,1°F ±(1% m.v. + 4,5°F)

    DC voltage measurement

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


    AC voltage measurement (True RMS)

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


    AC/DC current measurement (True RMS)

    Range Resolution Accuracy
    400,00 μA 0,01 μA dla DC ±(1,0% m.v. + 3 digits)

    dla AC ±(1,5% m.v. + 30 digits)
    4 000,0 μA 0,1 μA
    40,000 mA 0,001 mA
    400,00 mA 0,01 mA
    10,000 A 0,001 A
    • 20 A: 30 sec max with reduced accuracy.

    Resistance measurement

    Range Resolution Accuracy
    400,00 Ω 0,01 Ω ±(0,3% m.v. + 9 digits)
    4,0000 kΩ 0,0001 kΩ ±(0,3% m.v. + 4 digits)
    40,000 kΩ 0,001 kΩ
    400,00 kΩ 0,01 kΩ
    4,0000 MΩ 0,0001 MΩ
    40,000 MΩ 0,001 MΩ ±(2,0% m.v. + 10 digits)


    Capacitance measurement

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

  • Files

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