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Sonel Industrial Digital multimeter CMM-40

Sonel
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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.

The most important features of CMM-40 are:

  1. autoranging/manual range selection,
  2. „DATA HOLD” function, for holding measured values,
  3. „REL” function, which allows you to make measurements relative to a stored reference value,
  4. „MAX/MIN” function,
  5. „PEAK HOLD” function,
  6. memory for 2,000 measurement results,
  7. continuity test with acoustic signalling (beeper),
  8. „AUTO-OFF” function,
  9. display 4¾ digits (40,000 max),
  10. 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 to 10.000 kHz 0.01 Hz to 0.001 kHz ± 0.5% m.v.
  • sensitivity: 1 V rms

Duty cycle measurement:

Range Resolution Accuracy
0.10 to 99.9% 0.01% ±(1.2% m.v. + 2 digits)
  • pulse width: 100μs to 100 ms
  • frequency width: 5 Hz to 150 kHz.

Temperature measurement:

Range Resolution Accuracy
-50.0°C to +1,200.0°C 0.1°C ±(1% m.v. + 2.5°C)
-58.0°F to +2,192.0°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 digits)

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 to 1000 Hz.

AC/DC current measurement (True RMS):

Range Resolution Accuracy
400.00 μA 0.01 μA for DC ±(1.0% m.v. + 3 digits)

for 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 ±(5.0% m.v. + 7 digits)
400.00 nF 0.01 nF
4.0000 μF 0.0001 μF ±(3.0% m.v. + 5 digits)
40.000 μF 0.001 μF
400.00 μF 0.01 μF
4000.0 μF 0.1 μF ±(5.0% m.v. + 5 digits)
40.000 mF 0.001 mF

Other technical data:

  1. power supply: 9 V battery type 6LR61
  2. diode test: I=0.9 mA, U0 = 2.8 V DC
  3. continuity test: I<0.35 mA, sound signal for R<35 Ω
  4. over range indication: 0L displayed
  5. crest factor: ≤ 3 at full scale up to 500 V; decreasing linearly to ≤ 1.5 at 1,000 V
  6. PEAK: captures peaks >1 ms
  7. sampling rate: 2 times per second
  8. input impedance: 10 MΩ (V DC), 9 MΩ (V AC)
  9. display: 40,000 counts backlit LCD with bargraph, 4¾ digits
  10. store capacitance: 2,000
  11. dimensions: 7.36" x 3.19" x 2.17" / 187 x 81 x 55 mm
  12. weight: 0.75 lbs / 342 g
  13. fuses: mA, µA range: 0.5 A/1,000 V ceramic fast blow; A range: 10 A/1,000 V ceramic fast blow
  14. auto power OFF: 15 min.
  15. accordance with following standards: EN 61010 - 1:2004, EN 61010 - 2 - 032

Electric security:

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

Rated operational conditions:

  1. operating temperature: 32F to 104F / 0 to +40°C
  2. storage temperature: -4F to 140F / -20 to +60°C
  3. operating humidity: max 80% up to 87°F (31°C); decreasing linearly to 50% at 104°F (40°C)
  4. operating altitude: max 6,562 ft / 2,000 m
  5. „m.v.”- measured value

 

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Datasheet:

 CMM-40 Datasheet

Package Include:

1x Sonel Industrial Digital multimeter CMM-40 

 

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