GB
Hand Held Thermometer
CTH6500
2079988.1 09/2011 GB/D
WIKA Operating Instructions CTH6500
21
2.5 Special-functions
2.5.1 (Ohm/Micro volt/Volt/Hertz-display)
If you want to get the shown value displayed addording to the
basic units you will have to press, when you switch on, the keys
FAST and ON/OFF at the same time for approximately 3 seconds
till the next basic unit appears:
o = Ohms (Pt100)
H = Hertz (flow m/s)
u = Micro volt (thermocouples)
U = Volts (hunidity)
2.5.2 Zero adjustment (Zero)
A long press on the CLEAR button (approx. 3 s) enables you to
set the diplayed value on 0. Before pressing the button make sure
that the actual value also amounts to 0 (no current/pressure at the
probe).
2.5.3 Deactivation of the 2nd channel (Toggle)
A long press on the HOLD button (approx. 3s) enables you to
activate or deactivate the 2nd measuring channel.