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380940-EU-EN-V4.1-4/12 

Auto Power OFF 

To extend battery life, the meter will auto power off after 30 minutes of operation. To resume 
operation either turn the meter OFF and then ON again or press the HOLD button. 
 

Battery Replacement 

1.  When the low battery symbol appears on the LCD, the batteries must be replaced.  

2.  Turn the meter off and remove the rear battery compartment screw. 

3.  Lift off the battery compartment cover and replace the two 1.5V AA cells. 

4.  Replace the compartment cover and secure the screw. 

You, as the end user, are legally bound (

Battery ordinance

) to return all used batteries 

and accumulators; 

disposal in the household garbage is prohibited!

 

You can hand over your used batteries / accumulators at collection points in your 
community or wherever batteries / accumulators are sold! 

Disposal: 

Follow the valid legal stipulations in respect of the disposal of the device at the 

end of its lifecycle 

 

Cleaning 

Use only a dry cloth to clean the plastic case. 

 
 

Specifications 

General Specifications 

Display 

3-3/4 digit (4000 count) LCD with 40 segment bargraph 

Functions 

Watts, ACA, DCA, ACV, DCV, Frequency 

Polarity 

“-“ indicates negative polarity; positive assumed 

Current sensor 

Hall effect sensor type 

Overload indication 

Left blinking digit 

DCA zero adjust 

One touch zero key 

Display rate 

2 readings/second (20 readings/second for bargraph) 

Auto Power Off 

Meter turns off automatically after 30 minutes 

Battery 

Two 1.5V AA batteries 

Operating temp. 

-10

0

C to 50

0

C (4

0

F to 122

0

F) 

Operating Humidity 

< 85% RH 

Power consumption 

Approximately 10mA DC 

Weight 

190g (6.7 oz) including battery 

Dimensions 

183 x 63.6 x 35.6mm (7.2 x 2.5 x 1.4”) (HWD) 

Jaw opening 

23mm (0.9”) maximum conductor size 

Standards 

IEC 1010 Category III 300V, Category II 600V 

Содержание 380940

Страница 1: ...User s Guide True RMS AC DC Power Clamp Meter Model 380940 ...

Страница 2: ...es 3 DO NOT measure voltage if the voltage on the COM input jack exceeds 500V above earth ground 4 NEVER connect the meter leads across a voltage source while the function switch is in the current mode Doing so can damage the meter 5 ALWAYS discharge filter capacitors in power supplies and disconnect the power when measuring 6 ALWAYS turn off the power and disconnect the test leads before opening ...

Страница 3: ...RO button Zeroes the DCA reading 5 Positive input jack for red test lead 6 Function select dial 7 HOD button freezes the displayed reading 8 MAX MIN button Press to track and view highest and lowest readings 9 LCD Display with function indicators and bargraph 10 COM input jack for black test lead Function Select Switch ...

Страница 4: ...Bargraph display The 40 segment bargraph display shown below is a graphical interpretation of the measurement It is displayed under the display digits on the LCD The bars in the bargraph indicate a presence of an electronic signal The more bars showing the higher the signal The digits below the graph help the user see how many bars are showing If 40 segments are showing the bars will reach the 40 ...

Страница 5: ...ts WARNING To avoid electric shock disconnect the test leads from the meter before making current measurements 1 Set the Function switch to the AC Current position 2 Press the jaw trigger and clamp around a single conductor fully enclosing it Do not allow a gap between the two halves of the jaw 3 Read the ACA value on the LCD DC Current Measurements WARNING To avoid electric shock disconnect the t...

Страница 6: ... the meter s input terminals 3 Connect the other ends of the test leads in parallel with the device circuit under test 4 Read the Frequency measurement on the LCD in Hz MIN MAX Function Pressing the MIN MAX key allows the meter to display ONLY the highest and the lowest readings encountered Press the MIN MAX key once to view the minimum reading press it again to view the maximum reading Note that ...

Страница 7: ...tteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Cleaning Use only a dry cloth to clean the plastic case Specifications General Specifications Display 3 3 4 digit 4000 count LCD with 40 segment bargraph Functions Watts ACA DCA ACV DCV Frequency Polarity indicates negative polarity positive assumed Curren...

Страница 8: ...50V 40kW 10W 1 5 3dgts 250V 400A DC Power 240kW 100W 1 5 3dgts 250V 400A DC Current 400A 100mA 1 5 3dgts 600A DC 50 60Hz 40 to 100Hz AC Current True RMS Crest factor 4 400A 100mA 1 5 3dgts 2 5 4dgts 600A AC DC Voltage 400V 0 1V 1 0 2dgts 800V DC 50 60Hz 40 to 1kHz AC Voltage True RMS Crest factor 4 Input impedance 10M 600V 1V 1 5 2dgts 2 0 4d 800V AC Frequency 10Hz 10kHz 0 01 10Hz 0 8 2dgts Sensit...

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