Extech Instruments MA140 User Manual Download | Manualshive

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USER

GUIDE

True

RMS

300A

AC

Mini

Clamp

Meter

with

Non

‐

Contact

Voltage

Detector

Model

MA140

www.

.com

[email protected]

1.800.561.8187

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2
3
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Summary of Contents for MA140

Page 1: ...USER GUIDE True RMS 300A AC Mini Clamp Meter with Non Contact Voltage Detector Model MA140 www com information itm com 800 561 8187...

Page 2: ...Individual protective equipment should be used if HAZARDOUS LIVE parts in the installation where measurements are to be carried out could be accessible If the equipment is used in a manner not specifi...

Page 3: ...TEGORY I Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in which measures are taken to limit the transient over voltages to an appropriate low level Note Examples include...

Page 4: ...play digits 3 In Rush Current mode 4 Low Pass Filter 5 Data Hold 6 AC Measurement 7 Amperes current 8 Battery status icon 9 Minus negative sign Control Button Description Press for 2 seconds to access...

Page 5: ...o the next section Note The meter displays the battery capacity when powering up Disable Auto Power OFF The meter will auto power OFF after 20 minutes of inactivity To defeat this feature follow the s...

Page 6: ...ess the AC Current measurement mode The A symbol will appear on the display in the lower right hand side indicating Amperes Amps 2 Press the jaw trigger to open the clamp jaw 3 Position the clamp arou...

Page 7: ...ast 5A is detected 4 To exit the Inrush Current mode press the INRUSH button again momentarily The INRUSH icon will switch OFF 100ms Sample Window Measured Inrush Sample time trigger Inrush Button Pre...

Page 8: ...ontact Voltage Detect mode 2 Note the voltage detection display icons as shown in the Description section of this guide 3 Place the meter near a source of electrical energy The tip of the clamp offers...

Page 9: ...teries observing correct polarity 4 Re assemble the meter before use 5 Safety Please dispose of batteries responsibly never dispose of batteries in a fire batteries may explode or leak never mix batte...

Page 10: ...tion Accuracy of reading Inrush Current 300 0 A 0 1 3 5 5 digits Integration time 100ms Trigger current threshold 5A Volt Detection 80V 600VAC n a n a The tip of the clamp offers the optimum sensitivi...

Page 11: ...ture Coefficient 0 2 x specified accuracy C 20 C 68 F 26 C 79 F Operating Altitude 2000m 6562ft Battery power 2 LR 44 1 5V batteries battery life 50 hours typical Weight 140g 4 9 oz Dimensions 60 x 14...

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