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Measurement range
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- Measuring voltage: approx. 2.8 V.
Temperature
Set the selector switch to "TEMP / °C". Place the supplied temperature probe into the sockets
"COM" and V/Ω/TEMP/CAP. Touch the object to be measured with the measuring tip. Read
measurement value on the display.
Measurement range
-20 to 0 °C
0 to 400 °C
400 to 1000 °C
Frequency
Set the selector switch to "Hz". Insert the black test lead into the 'COM' socket and the red test
lead into the V/Ω/TEMP/CAP socket. Using the test probes, touch the test points of the test cir-
cuit. Read measurement value on the display.
Measurement range
20 kHz
- Sensitivity: 200 mV
- Max. input voltage 10 Vrms
Maintenance
The instrument does not require special maintenance when used as specified in this operation
manual.
Cleaning
Use a damp cloth and mild household cleaning agent to clean the instrument should it become
soiled through daily use. Never use aggressive cleaning agents or solvents to clean the instru-
ment.
Changing the battery
Change the battery when the battery symbol is displayed. Remove the test leads from the meas-
uring instrument before changing the battery or fuse!
Remove the two screws on the rear of the instrument, open the battery compartment and remove
the used batteries. Insert new battery (1 × 9 V Block 6F22). Replace battery compartment cover
and screw tight.
®
Testboy
TB 313
Function
The integrated buzzer signals up to a resistance of 70 Ω
Resolution
1 °C
Resolution
10 Hz
Operation
Accuracy
± 5 % + 5 digits
± 2 % + 3 digits
± 1 % + 3 digits
Accuracy
± 1.5 % + 10 digits
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