Extech Extech 380942 Manual

Model 380942

INSTRUCTION MANUAL

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99 Washington Street
Melrose, MA 02176
Fax [phone]
TestEquipmentDepot.com

True RMS AC/DC 30A Mini Clamp-on Meter

• True RMS AC Current and Voltage

• Measure low current with high resolution to 0.1mA AC and 1mA DC

• Auto Power Off

• One touch DCA zero adjust

• MIN/MAX and Data Hold functions

• 0.9” (23mm) Jaw diameter

Introduction

Congratulations on your purchase of Extech’s DC/AC Clamp Meter. This professional meter,
with proper care, will provide years of safe reliable service.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX [phone] - TestEquipmentDepot.com

Specifications

General Specifications

Display 3-3/4 (4000 count) Digit LCD with 40 segment bargraph
Functions ACA, DCA, ACV, DCV
Polarity Minus sign ( - ) indicates negative polarity
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)
Battery Two 1.5V AA batteries
Operating conditions 40F to 1220F (-100C to 500C); < 85% Relative Humidity
Storage conditions - 40F to 1400F (-200C to 600C); < 75% Relative Humidity
Altitude Operate at less than 2000 meters. Indoor use only.
Power consumption Approximately 10mA DC
Weight 6.2 oz. (190g) including battery
Dimensions 7.2 x 2.5 x 1.4” (183 x 63.6 x 35.6mm) (HWD)
Jaw opening 0.9” (23mm)
Standards IEC 1010 Category III 300V, Category II 600V

Range Specifications

Function Range Resolution Accuracy Overload

4000mA 1mA 40A DC DC Current
30A 10mA

AC Current

(True RMS)

DC Voltage 400V 0.1V ± (1.0% + 2d) 1000V DC

(True RMS)

50/60Hz 40 to 100Hz
400mA 0.1mA ±(1.5% + 5d) ±(2.0% + 5d) 40A AC
50/60Hz 40 to 1kHz
4000mA 1mA ±(2.5% + 5d) ±(3.0% + 5d) 40A AC
30A 10mA ±(2.0% + 5d) ±(2.5% + 5d) 100A AC

50/60Hz 40 to 1kHz AC Voltage
400V 0.1V ±(1.5% + 4d) ±(2.0% + 5d) 800V AC

± (2.0% + 3d)

protect

100A DC

Specification Notes

AC Voltage and Current Crest Factor: < 3

AC / DC Voltage Input Impedance: 10MΩ

2

Ver. 1.6 03/2005