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Gossen MetraWatt M273A User Manual

Gossen MetraWatt M273A
68 pages
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Operating Instructions
METRAHITIM XTRA BT
(M273A/D/W)
&
METRAHITIM E-DRIVE BT
(M274A/B)
&
METRAHITIM TECH BT
(M272A/B)
Insulation Tester, Milliohmmeter,
TRMS Multimeter, Inter-Turn Short Circuit Tester
3-447-035-03
8/2.22

Table of Contents

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Gossen MetraWatt M273A Specifications

General IconGeneral
Resistance MeasurementYes
Max Current10 A DC
DC Current Ranges10 A
Battery Type1.5V battery for resistance measurement
Continuity TestYes

Summary

Safety Instructions

Operating Overview

Initial Startup

5.1 Battery Pack

Instructions for handling, charging, and inserting the rechargeable battery pack.

System Settings

Control Functions

7.2 Selecting Measuring Functions and Measuring Ranges

How to select measurement functions and ranges, including auto and manual modes.

7.2.1 Automatic Range Selection

Explanation of the instrument's auto-ranging capability for measurements.

7.5.1 Saving Minimum and Maximum Values – “MinMax”

How to save and view minimum and maximum measured values over time.

7.7 Measurement Data Recording

How to record measurements, either one-time or as a series.

7.7.2 Measurement Series (automatic storage)

Setting up and starting automatic recording of measurement series.

Measurements

8.2 Insulation Resistance Measurement - RISO Function

Step-by-step guide for performing insulation resistance measurements.

8.2.1 Preparing for Measurement

Steps to prepare for insulation resistance testing, including cable checks.

8.2.2 Performing Insulation Measurement

The procedure for conducting the actual insulation resistance measurement.

8.2.3 Ending the Measurement and Discharging

How to safely end measurements and discharge the test device.

8.3 Inter-Turn Short Circuit Measurement - COIL Function

Guide for measuring inter-turn short circuits using adapters.

8.3.1 Inter-Turn Short Circuit Measurement with the COIL TEST ADAPTER

Detailed steps for using the COIL TEST ADAPTER for short circuit tests.

8.3.1.2 Conducting the Inter-Turn Short Circuit Measurement

The process of conducting the inter-turn short circuit measurement.

8.3.1.3 Ending the Measurement and Discharging

Safely ending the inter-turn short circuit measurement and discharging the device.

8.3.2 Inter-Turn Short Circuit Measurement with the ADAPTER XTRA

Guide for using the ADAPTER XTRA for inter-turn short circuit tests.

8.3.2.2 Conducting the Inter-Turn Short Circuit Measurement

The process of conducting the inter-turn short circuit measurement using the ADAPTER XTRA.

8.3.2.4 Stopping/Ending Measurement and Discharging

Safely ending measurements and discharging the test device.

8.4 Absorption Index Measurement – DAR

Procedure for measuring the absorption index (DAR) for insulation testing.

8.5 Polarization Index Measurement - PI

Procedure for measuring the polarization index (PI) for insulation assessment.

8.6 Voltage Measurement

Procedures for measuring AC and DC voltages, including frequency and filter options.

8.6.1 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter

Measuring AC voltage and frequency, with optional low-pass filter.

8.7 Resistance Measurement "Ω"

Procedures for measuring electrical resistance.

8.8 Capacitance Measurement Fㅗㅜ

Procedures for measuring capacitance.

8.9 Temperature Measurement with Resistance Thermometers - Temp RTD

Measuring temperature using Pt100 or Pt1000 resistance thermometers.

8.10 Temperature Measurement with Thermocouple – Temp TC

Measuring temperature using a type K thermocouple.

8.11 Continuity Test)

Performing continuity tests with audible feedback.

8.12 Diode Testing with Constant Current of 1 mA

Testing diodes using a constant current source.

8.13 Milliohm Measurement - Rlo (2-wire measurement)

Measuring low resistances using the 2-wire method.

8.14 Milliohm Measurement – mΩ/4 (4-wire measurement)

Measuring low resistances using the 4-wire (Kelvin) method.

8.14.3 Milliohm Measurement with 200 mA or 20 mA DC [ΜΩ]

Performing milliohm measurements with 200mA or 20mA test current.

8.15 Current Measurement

Procedures for measuring AC and DC current.

8.15.4 Alternating Current Measurement with Current Clamp Sensor - AAC and Hz

Measuring AC current and frequency using a current clamp sensor.

8.16 Measuring Sequences – Test Sequences

Creating and managing sequences of measurements for repetitive tasks.

Creating a New Test Sequence

Step-by-step guide to creating a new measurement sequence.

Running a Test Sequence

How to execute a configured measurement sequence.

Interface Operation and Software

9.1 Bluetooth®

Setup and usage of the Bluetooth interface for wireless communication.

Establishing a Bluetooth® Connection

Step-by-step guide to establishing a Bluetooth connection.

9.2 Software for Receiving and Evaluating Data

Overview of software for data transfer and analysis.

9.2.1 METRAHIT IM Data Reader (PC)

Details on using the PC software for data management.

9.2.3 METRALOG App (smartphone and tablet)

Using the METRALOG app for mobile data acquisition and display.

9.2.4 Sequence Manager: Software for Test Sequences

Using PC software for managing and creating test sequences.

Characteristic Values

Influencing Quantities and Influence Error

Maintenance and Calibration

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