Klein Tools CL390 User Manual

16
ENGLISH
TEMPERATURE
1. Insert K-type thermocouple into the VΩµA
5
and COM
4
jacks
(observe polarity markings on thermocouple and meter), and rotate
function selector switch
2
to the Temperature setting.
NOTE: The meter defaults to Fahrenheit scale in this mode. To enter
Celsius scale, press the "SEL/NCV" button
12
once. Ensure that the
appropriate icon (either
°F or °C ) appears on the display.
2. To measure temperature, make contact between the
thermocouple tip and the object being measured. When
thermocouple tip and object are in thermal equilibrium, the
measurement on the display will stabilize.
Remove thermocouple before switching meter to other
measurement functions.
The thermocouple included with the original purchase
is suitable for temperatures below 446°F / 230°C only. To
measure higher temperatures, a K-type thermocouple
with the appropriate measurement range should be used.
OPERATING INSTRUCTIONS
FREQUENCY / DUTY-CYCLE
1. Insert RED test lead into VΩµA jack
5
and BLACK test lead
into COM jack
4
, and rotate function selector switch
2
to the
Frequency/Duty-Cycle
setting.
NOTE: The meter defaults to Frequency testing in this mode. To enter
Duty-Cycle testing mode, press the "SEL/NCV" button
12
once. Ensure
that the appropriate icon (either
Hz or % ) appears on the display.
2. Measure by connecting test leads across the circuit.
Red leadBlack lead
K-Type
Thermocouple

Klein Tools CL390 Specifications

General

Product type	Digital multimeter
Product color	Black, Orange
DC voltage range	0 - 600 V
Measuring category	CAT III 600V
Placement supported	Handheld multimeter
Resolution (AC current)	200 µA
Temperature measurement range	-40 - 1000 °C
Battery type	AAA
Power source	Battery
Auto power off	Yes
Number of batteries supported	3

Weight and Dimensions

Depth	215 mm
Width	89 mm
Height	38 mm
Weight	314 g