We manufacture LUTRON CM-9940 which is one of the best digital clamp meters available in the market. LUTRON CM- 9940 can be used in a wide range of application for measuring AC and DC currents, voltages both AC and DC, resistances and frequencies with very high accuracy.
We have manufactured LUTRON CM-9940 with a special LSI circuit which provides high reliability and durability for this device. LUTRON CM-9940 is designed using a compact and heavy duty ABS housing which makes it easier for the clients to carry it around safely. Some of the product features are listed below:
Product features:
Display size: 4000counts, auto rage and muli-functions available.
Over load protection circuit has been provided for all ranges.
It’s been provided with a water resistance front panel.
Safety: Design meets IEC 1010 CATIII 600V safety standards.
Design meet IEC 1010 CATIII 600V safety requirement.
4000 counts, Auto range & multi-functions.
Measurement for ACA, DCA, ACV, DCV, Ohms, Diode, Hz, Continuity beeper.
Water resistance for the front panel.
Data hold.
Wide ranges ( 600 A, 400 A ) clamp on current measurement both for ACA & DCA.
Overload protection circuit is provided for all range.
LSI circuit provides high reliability and durability.
Pocket & slim housing case, easy carryout. Compact & heavy duty ABS housing case. and durability.
Design meet IEC 1010 CATIII
600V safety requirement.
* 4000 counts, Auto range &
multi-functions.
* Measurement for ACA, DCA,
ACV, DCV, Ohms, Diode, Hz,
Continuity beeper.
* Water resistance for the front panel.
* Data hold.
* Wide ranges ( 600 A, 400 A )
clamp on current measurement
both for ACA & DCA.
* Overload protection circuit is
provided for all range.
* LSI circuit provides high reliability
and durability.
* Pocket & slim housing case, easy
carryout. Compact & heavy duty
ABS housing case. and durability
FEATURES
* Jaw section is designed to meet IEC 1010 CATIII 600V * Wide ranges ( 600 A, 400 A ) clamp on current
safety requirement. measurement both for ACA & DCA.
* 4000 counts, Auto range & multi-functions. * Overload protection circuit is provided for all range.
* Measurement for ACA, DCA, ACV, DCV, Ohms, * LSI circuit provides high reliability and durability.
Diode, Hz, Continuity beeper. * Pocket & slim housing case, easy carryout.
* Water resistance for the front panel. * Compact & heavy duty ABS housing case.
* Data hold.
GENERAL SPECIFICATIONS
Display 10.8 mm ( 0.43" ) LCD, 4 digits, Operating Less than 80% RH.
Max. indication 5000 ( frequency range ). Humidity
Measurement ACA, DCA, ACV, DCV, Ohms, Diode, Weight 230 g/0.50 LB ( including battery ).
Range Hz, Continuity beeper, Relative. Dimension HWD : 178 x 64 x 33 mm
Polarity Automatic Switching, " - " indicates ( 7.0 x 2.5 x 1.3 inch )
negative polarity. Max. Jaw Open 30 mm ( 1.18 inch ) Dia.
Current Sensor Hall effect sensor. Size
Zero adjustment DCA : Push bottom adjustment. Accessories Operation manual......................... 1 PC.
Other ranges : Automatic adjustment. Included Test lead (red & black).................. 1 PC.
Over-input Indication of " 1 " or " -1 ". Optional Carrying case, EMF Adapter,
Sampling Time Approx. 0.35 second. Accessories & Light Adapter, Anemometer Adapter,
Battery 2 x 1.5V AA ( UM-3 ) batteries. Adapters Pressure Adapter, Sound Adapter,
Operating 0 ℃ to 50 ℃ ( 32 ℉ to 122 ℉ ). Tachometer Adapter, High Voltage Probe.
Temperature
ELECTRICAL SPECIFICATIONS (23 ±5 ℃)
Function Range Resolution Accuracy Overload
DC/AC 400 mV 0.1 mV ± ( 0.5 % + 2d )
Voltage (DC only)
4 V 0.001V DCV: AC/DC 600 V.
40 V 0.01V ± ( 1 % + 2d )
400 V 0.1 V ACV:
600 V 1 V ± ( 1.2 % + 5d )
DC /AC 400 A 0.1 A ± ( 2 % + 5 d )
ACA :
current 0.5 to 400A AC/DC 600 A
600 A 1 A ± ( 2 % + 8 d )
Remark * Input impedance for ACV & DCV range is 10 Mega ohm.
* ACA, ACV specification be tested on sine wave 50/60 Hz.
Function Range Resolution Accuracy Overload
Ohms 400 ohm 0.1 ohm
4 K ohm 1 ohm
40 K ohm 10 ohm ± ( 1 % + 5 d ) AC / DC 400 V
400 K ohm 100 ohm
4 M ohm 1 K ohm ± ( 2 % + 2 d )
40 M ohm 10Kohm ± ( 3.5 % + 5d )
Frequency 5 Hz 0.001 Hz
( 5 V ) 50 Hz 0.01 Hz
500 Hz 0.1 Hz AC / DC 250 V
5 KHz 1 Hz ± (1 % + 5 d)
50 KHz 0.01 KHz
100 KHz 0.1 KHz
Diode Short/non conductance, good/defect test.
Continuity If measuring resistance is less than 10 ohm, the beeper will sound
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