Fluke 78 User Manual page 47

Warning
To avoid electrical shock, do not use the thermocouple
when voltages exceeding 30 V ac rms or 30 V dc are present.
Note
The thermocouple, adapter and meter must be at
the same temperature for accurate measurements.
If at different temperatures, plug together and wait up to 15 minutes.
TEMPERATURE SENSOR
Figure 15. Measuring the Temperature of Coolant Temperature Sensor
MOMENTARY PRESS
TO TOGGLE BETWEEN
2
FAHRENHEIT AND
CELSIUS
3
78 AUTOMOTIVE METER
OFF V Hz
V Hz
RPM
2 1
C F
A
THERMOCOUPLE
PRESS
MIN / MAX 1 SEC
Hz 1 2 SEC
RPM V
+
300V 30V
10A COM
CAT C F
30V
FUSED
Typical Testing Applications
4
80BK
ADAPTER
1
mt15f.eps
35