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AOIP OM 17 User Manual

AOIP OM 17
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OM 17
ONSITE MICRO OHMMETER
User Manual
September 2018

Table of Contents

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AOIP OM 17 Specifications

General IconGeneral
BrandAOIP
ModelOM 17
CategoryMeasuring Instruments
LanguageEnglish

Summary

A. GENERAL

A.1 Introduction

The OM 17 microhmmeter performs 4-wire low resistance measurements from 0.1 μΩ to 2,500 Ω over seven ranges.

A.2 Applications

Lists main applications including metallic coating, ground continuity, and contact resistance measurements.

A.3 Main Characteristics

A.4 Safety Provisions

A.4.3 Taking Measurements

Instructions on lead condition, safety values, live circuits, and inductance discharge for safe measurements.

A.4.4 Instructions to be followed before Use

Details on battery charging procedures and necessary cable connections before operating the unit.

B. DESCRIPTION

B.1 General View

Identifies and labels the keys, connectors, and display elements of the OM 17 unit.

B.2 Display

C. OPERATION

C.1 Reminders of the 4-wire Principle

Explains the fundamental 4-wire measurement principle with diagrams and formulas.

C.2 Performing a Measurement

Provides a step-by-step guide on how to perform a measurement using the unit's interface.

C.2.1 Switching On

C.2.3 Selecting the Measurement Mode

C.2.4 Ambient temperature compensation

a) Principle

Explains how temperature affects resistance and the formula for compensation.

C.2.5 Setting Alarms

C.2.6 Connecting to Connectors

C.3 List of Error Messages

C.4 Configuring the Unit

C.4.1 Principle

Describes how to access and navigate the unit's programming menu.

C.4.5 Managing an Alarm Threshold: ALAr

C.4.6 Using the DB9 Connector: rS

C.4.7 Managing and printing Memory Content: mEm

a) General

Details the memory organization, capacity, and basic management functions.

C.4.8 Programming the temperature compensated measurement Value

D. CONFIGURATION AND OPERATION COMMANDS USING THE RS232 SERIAL LINK

D.1 Introduction

Explains the syntax, types of replies, and communication parameters for RS232 commands.

D.1.1 Command Errors

D.2 List of Commands

D.4 Programming Commands

CFG <ModeMes>, <Range>

Command to program general measurement configuration parameters like mode and range.

TCOMPENSATION <En_Hors>[, <Tréférence>, <Unité>]

Command for programming temperature compensation settings.

METAL <TypeMetal>[, <Alpha>]

TAMBIANT <InfoMesure>[, <Valeur>, <Unité>]

D.5 Memory Usage Commands

MEMORY STATUS?

Command to retrieve the OM 17's memory usage level percentage.

D.6 Other Information Commands

D.7 LOGOM Program

A.1.1 Installation

Instructions for installing the LOGOM software on a PC.

E. MAINTENANCE

E.1 Opening/Closing the Unit

Procedure for safely opening and closing the unit for maintenance access.

E.2 Battery Pack

E.2.1 Charging

Details on battery charging, indicators, and important warnings.

E.2.2 Replacing the Battery

Step-by-step instructions for safely replacing the unit's battery pack.

E.3 Fuses

E.4 Checking Performance

E.5 Managing Maintenance

E.6 Updating the On-board Software

E.7 Adjustment

E.7.2 Adjusting the Unit

Detailed procedure for adjusting the unit's measurement ranges and calibration.

E.8 Warranty

F. Specifications

F.2.1 Safety Class

Specifies the safety class, category, pollution degree, and rated voltage.

F.2.2 EMC Conformity

Details compliance with European EMC standards for emissions and immunity.

F.2.3 Ambient Conditions

Defines reference and operating ranges for temperature and humidity.

F.3 Characteristics

F.3.1 General

Explains how stated accuracies are expressed and apply under reference conditions.

F.3.2 Resistance measuring function

Details 4-wire measurement specs, ranges, resolutions, accuracies, and currents.

F.3.3 Protections

F.4 End of Unit Service Life

F.4.1 Waste Generated by the Unit

Lists waste categories from electronic equipment and batteries according to French decree.

G. Annexes

G.1 Unit Maintenance Programming Diagram

G.2 Diagramme de programmation et de lecture de l'appareil

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