Extech Instruments 380947 User Manual Download Page 3

380947   V3.0V    10/06

 

Specifications 

General Specifications 

Display 

3-3/4 Digit LCD with 40 segment bargraph 

Functions 

Current (ACA, DCA) and Frequency (Hz) 

Polarity 

“-“ indicates negative polarity (positive polarity assumed) 

Current sensor 

Hall effect 

Overload 

Display indicates “1___” or “-1___” 

DCA zero adjust 

One-touch zero key (also used as a Relative function) 

Display rate 

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

Battery 

Two 1.5V AA batteries 

Operating temperature 

4

0

F to 122

0

F (-10

0

C to 50

0

C) 

Operating Humidity 

< 85% RH 

Power consumption 

10mA DC approx. 

Weight 

6.2 oz. (190g) including battery 

Dimensions 

7.2 x 2.5 x 1.4” (183 x 63.6 x 35.6mm) (H x W x D) 

Jaw opening 

0.9” (23mm) 

Standards 

IEC 1010 Category III 300V, Category II 600V 

Range Specifications 

DC Current 

Resolution 

Accuracy (of rdg + digits) 

Overload Protect 

40A 

10mA 

±(1.0% + 2d) 

400A DC 

400A (0 to 150A) 

100mA 

±(1.0% + 2d) 

400A DC 

400A (150 to 200A) 

100mA 

±(2.2% + 2d) 

400A DC 

400A (200 to 400A) 

100mA 

±(4.0% + 2d) 

400A DC 

AC Current 

Resolution 

50/60Hz 

40Hz - 1kHz 

Overload Protect 

4A (0 to 500mA) 

1mA 

±(1.5% + 7d) 

±(2.0% + 7d) 

400A AC 

4A (500mA to 4A) 

1mA 

±(1.5% + 3d) 

±(2.0% + 4d) 

400A AC 

40A 

10mA 

±(1.5% + 3d) 

±(2.0% + 4d) 

400A AC 

100A (0 to 100A) 

100mA 

±(1.5% + 3d) 

±(2.0% + 4d) 

500A AC 

400A (100 to 200A) 

100mA 

±(2.2% + 3d) 

±(2.5% + 4d) 

500A AC 

400A (200 to 400A) 

100mA 

±(4.0% + 3d) 

±(5.0% + 4d) 

500A AC 

Frequency (Hz) 

Resolution 

Accuracy 

Sensitivity 

Overload Protect 

40Hz to 250Hz 

0.01 to 0.1Hz 

±(0.5% + 2d) 

3.0A 

500A AC 

250Hz to 10kHz 

0.1 to 1Hz 

±(0.5% + 2d) 

0.3A 

500A AC 

www.burntec.com

Summary of Contents for 380947

Page 1: ...User s Guide True RMS AC DC Mini Clamp Meter Model 380947 www burntec com ...

Page 2: ...ng operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclu...

Page 3: ...x 2 5 x 1 4 183 x 63 6 x 35 6mm H x W x D Jaw opening 0 9 23mm Standards IEC 1010 Category III 300V Category II 600V Range Specifications DC Current Resolution Accuracy of rdg digits Overload Protect 40A 10mA 1 0 2d 400A DC 400A 0 to 150A 100mA 1 0 2d 400A DC 400A 150 to 200A 100mA 2 2 2d 400A DC 400A 200 to 400A 100mA 4 0 2d 400A DC AC Current Resolution 50 60Hz 40Hz 1kHz Overload Protect 4A 0 to...

Page 4: ...r Opens the meter jaws 4 ZERO Relative button Zeroes the DCA reading 5 Function select switch 6 HOLD button to freeze displayed reading 7 MAX MIN button Press to track and view highest and lowest readings 8 LCD Display with function indicators units of measure and bargraph www burntec com ...

Page 5: ...s 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 mark if 20 bars are showing the bars will reach the 20 mark Th...

Page 6: ...uency measurement on the LCD in Hz MIN MAX Function Press the MIN MAX key to display ONLY the highest MAX and the lowest MIN readings Press the MIN MAX key once to view the minimum reading press it again to view the maximum reading Note that the displayed readings will only change when a measurement is taken higher than the previous MAX or lower than the previous MIN readings The HOLD display icon...

Page 7: ...lace the compartment cover and secure the screw Cleaning Use only a dry cloth to clean the plastic case Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual c...

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