PICO TA138 Operating Instructions

TA138 200 A AC Current Clamp
OPERATING INSTRUCTIONS

Introduction

The TA138 200 A AC Current Clamp has a voltage output with standard banana
(4 mm) plugs for connection to the PicoLog CM3 Current Data Logger or other
compatible measuring instrument.

Using the Current Clamp Safely

Warning: To prevent electric shock or fire and personal injury, carefully read
.
all safety information before attempting to operate the Current Clamp and
follow these procedures:
• DO NOT use the clamp on circuits rated higher than 600 V in Category II
or 300 V in Category III. Use caution when clamping around uninsulated
conductors or bus bars.
• DO NOT use a clamp that is cracked, damaged, or has a defective cable.
Such clamps should be made inoperative by taping the jaws closed.
• DO check the magnetic mating surfaces of the clamp jaws. They should be
free of dust, dirt, rust and other foreign matter.
• DO keep your fingers behind the safety barrier as shown below.

Safety Symbols

This symbol, adjacent to another symbol or terminal, indicates that
the user must refer to the manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal
use, hazardous voltages may be present.
Double insulation

Adaptor Description

1. Current sense jaw
2. Clamp trigger
3. Safety barrier
4. Voltage output lead
CAT III
200 A~
300 V