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Voltmeter CM-9940 
voltmeter to measure up to 600 A AC / DC

This voltmeter can measure both direct and alternating current. The CM-9940 Voltmeter also has basic functions of direct and alternating current, resistance, frequency, transit and diodes. The voltmeter is a very useful instrument for the technical service of domestic appliances due to its small size (only 30mm). The CM-9940 voltmeter has overload protection for all functions and ranges. Here you will find an overview of all voltmeters available from PCE Instruments.

User manual for the CM-9940 Voltmeter.  EC certificate for the CM-9940 Voltmeter  Video for the CM-9940 Voltmeter  Technical specifications for the CM-9940 Voltmeter  Information for the CM-9940 Voltmeter

- LCD display with 4 positions, 10.8 mm and a maximum of 5000 (frequency range)

- It can measure up to 600 A AC/DC

- Maximum diameter of the conductive element: 30 mm

- Data Hold; automatic change of the measurement range

- Measurement of the transit and the relative value

- Security: IEC-1010-1; CAT III 600 V

- Delivery contents: carrying case, testing cables, batteries and user's manual

  CM-9940 Voltmeter to measure up to 600 amperes.

CM-9940 Voltmeter

Technical specifications

DCV

400 mV            ± 0.5 % + 2 dgt - 0.1 mV
4/40/400/600 V ± 1.0 %+ 2 dgt-0.1mV/0.01/0.1/1V

Overload protection

AC/DC 600 V

ACV

4/40/400/600 V
± 1.2 % + 5 dgt. - 0.1 mV/0.01/0.1/1V

Overload protection

AC/DC 600 V

DCA

400/600 A
± 2 % + 5 dgt. - 0.1 A/ 1A

Overload protection

AC/DC 600 A

ACA

400/600 A
± 2 % + 8 dgt. - 0.1 A/ 1A

Overload protection

AC/DC 600 A

Ohms

400 mΩ/ 4/40/400 kΩ
± 1 % + 5 dgt. - 0.1/ 1/ 10/ 100 Ω
4 MΩ
± 2 % + 2 dgt. - 0.1 Ω
40 MΩ
± 3.5 % + 3 dgt. - 0.1 Ω

Overload protection

AC/DC 400 V

Frequency

5 / 50 / 500 Hz/ 5 / 50 / 100 kHz
± 1 % + 5 dgt. - 0.001/0.01/0.1/1 Hz/ 0.01/0.1 kHz

Acoustic signal

yes

Diode test

yes

Power

2 x 1.5 V (UM3, AA)

Diameter of the conductive element

maximum of 30 mm

Dimensions

178 x 64 x 33 mm

Weight

230 g

Example of use of the CM-9940 voltmeter.

The CM-9940 Voltmeter measuring the car battery

The CM-9940 voltmeter measuring the car battery

Delivery contents
1 x CM-9940 voltmeter, 2 x batteries, 1 x testing cable and user's manual

Definition and information about Voltmeter:

The voltmeter is a meter for electrical quantities that combinesDefinition and  information about Voltmeter. various measurement modes and ranges in a single device. The standard features of a voltmeter allow for the measurement of volts and current at different ranges. Usually the voltmeter can switch between the measurements of voltage (DC) and alternating current (AC). The voltmeter also forms part of the basic measurement ranges of resistance and it is usually also a measure of continuity with a beeper. The digital voltmeter is better equipped and thus allows for additional measurements such as frequency, capacitance and temperature measurements.
The analog voltmeter shows the value with an indicator in different scales for different ranges. The reading values are presented with discrete marks. To avoid errors in reading (parallax error), the high quality measuring instruments have a mirror that contains a scale that allows the measurement value to be read properly. The accuracy of the analog voltmeter can be up to 1% of the reading
in high-quality devices. As instruments, they are often used with a  mobile coil. Formerly, they were electromagnetic devices with a mobile palette. The ranges of AC voltage and current are usually not as accurate because you have to pre-connect a rectifier system in the measuring system of mobile coil.

technical specifications for the CM-9940 Voltmeter.

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Here you will find an overview of all the measuring instruments available at PCE Instruments.

Contact:
PCE Instruments UK Limited
Units 12/13 Southpoint Business Park
Ensign Way, Southampton
United Kingdom, SO31 4RF
Phone. +44 ( 0 ) 2380 98703 0
Fax +44 ( 0 ) 2380 98703 0

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Below you will find an overview of the different product groups of measuring instruments

 Absolute Humidity Meters
 Accelerometers
 Alert Meters
 Air velocity meters
 Analyzers (Colour)
 Analyzers (Gas)
 Analyzers (Lan)
 Analyzers (Noise)
 Analyzers (Oxygen)
 Analyzers (Ozono)
 Anemometers
 Barometers
 Borescopes

Cable detectors (electrical)
Calibrators
Cameras (Infrared Thermal Imaging)
Capacitance Meters
Coating Thickness Meters
Chlorine Meters
Clamp Meters
Climate Meters
Colour Meters
Conductivity Meters
Contact Thermometers
Current detectors

Data Loggers
Differential Pressure Meters
Digital Multimeters
Densimeters
Detectors (Humidity, Radiation, Voltage)
Dose Meters (Noise)

 Earth meters
 Endoscopes
 Environmental Meters

 Fiberscopes
 Flow Meters Air
 Flow Meters Gas
 Force Gauges (digital)
 Frequency Meters

 Gas detectors
 Geiger Counter

 Handheld Tachometers
 Hardness Meters
 Humidity Testers
 (Building material)
 
Hygrometers

Indicator Sound Level
Indicators (Humidity)
Instruments (Environmental)

Impedance bridges
Infrared Thermometers
Isolation Meters

Lan Network Testers
Laser Distance Meters
Laser level
Laser meters
Laser thermometers
LCR Meters
Length Meters
Light Meters
Lux Meters

 Magnetometers
 Manometers
 Material Thickness meters

 Measurement Devices
 (Force)
 Measuring Meters
 (Distance)
 Measuring Wheels
 Meters (Distance)
 Meters (Ozone) 
 Meters (Gas) 
 Meters (Gloss)
 Meters (pH)
 Meters (Power)
 Meters (Pressure)  
 Meters (Radiation)
 Meters (Temperature)  
 Micrometers
 Microscopes
 Modular signal 
 Converters
 Moisture Indicator
 Multimeters
 Multi-Parameter    
 photometers

Noise Meters

 Odometers
 Ohm Meters
 Oscilloscopes
 Oxygen Meters
 Paper Moisture Meters
 Penetrometers
 Pitot tube air flow
 meters
 Pocket pH-meters
 Power Analyzers
 Pressure Gauges
 Pyrometers
 Quality Meters (Air)
 Radiation Counters
 Radioactivity meters
 Reader (Temperature)

 Recoders Data
 Redox Meters
 Refractometers

 Relat. Humidity meters
 Rotation meters
 Roughness tester
 Salt Meters
 Sensor (Temperature)
 Signal Level Analyzers
 Single-parameter  
 Photometers
 Sound Level Meters
 Systems for 
 Environmental
 Stethoscopes 
 (electronic)
 Stroboscopes
 Surface Thickness 
 meters

Tachometers
Telescope Meters
Thermo-anemometers
Thermo-Hygrometers
Temperature Probes
Testers (Air)
Tester (Conductivity) Tester (Earth)
Tester (Electric)
Tester (Insulation)  Tester (Noise)
Tester (pH)
Tester Resistance Tester (Sound)
Tester (Temperature)
Thermal stress
Thermal Imaging Cameras
Thermometers
Thermocouples
Thickness Meters
Turdibity Meters

Ultrasonic Flow Meters

VDE tester
Vibration Meters
Video endoscopes
Voltage meters