Extech Instruments TG20 User Manual

TG20-EU-EN-V1.0 03/12
3
Identifying telephone cable Tip and Ring – Using Alligator Clips
1. Switch the transmitter to the OFF position
2. Connect the BLACK clip to ground
3. Connect the RED clip to a line.
4. The LED color identifies the line.
5. GREEN indicates the Ring line, RED indicates the Tip line.
6. If both RED and GREEN light up, AC voltage is present (do not exceed 24V)
Identifying telephone cable Line Condition
1. Switch the transmitter to the OFF position
2. Plug the connector into the phone line or connect the RED clip to the RING line and the
BLACK clip to the TIP line.
3. The LED color identifies the line condition.
a. GREEN indicates a clear line.
b. RED indicates a busy line.
c. Green with a flashing RED indicates a ringing line.
Battery replacement
Open the battery cover and replace the battery as needed.
You, as the end user, are legally bound (Battery ordinance) to return all used batteries
and accumulators; disposal in the household garbage is prohibited!
You can hand over your used batteries / accumulators at collection points in your
community or wherever batteries / accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the
end of its lifecycle
Specifications
Power 9V battery (1 for transmitter and 1 for probe))
Dimensions Probe - 8.7x2x1.3" (220x50x32mm)
Transmitter - 2.6x2.7x1.1" (65x68x28mm)
Weight Probe 3.2oz (91g);
Transmitter3.2oz (91g)
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Extech Instruments TG20 Specifications

General

Resolution	0.1°F/°C
Display	LCD
Power Supply	9V battery
Response Time	500 ms
Distance to Spot Ratio	8:1
Data Hold	Yes
Min/Max	Yes
High/Low Alarm	Yes
Type	Thermometer
Basic Accuracy (IR)	±2% of reading or ±3.6°F/2°C
Accuracy (IR)	±2% of reading or ±2°C (±3.6°F)
Emissivity	Adjustable, 0.10 to 1.00
Laser Pointer	Single
Dimensions	6.3 x 3.1 x 1.5 inches
Temperature Range (Thermocouple)	-58°F to 1382°F (-50°C to 750°C)

Summary

Introduction

Meter Description

Operating Instructions

Self Check

Steps to verify the wire tracer probe and transmitter functionality.

Cable/Wire tracing

Procedure for tracing and identifying cables using the device.

Continuity testing

Method for testing wire continuity with the device.

Identifying telephone cable

Tip and Ring – Using Alligator Clips

Using alligator clips to identify Tip and Ring lines on telephone cables.

Line Condition

Checking the status of telephone lines using the device's LED indicators.

Battery replacement and disposal

Specifications