14
6. Press “SELECT” button to select the Continuity
measurement mode.
7. Insert test leads to two points of tested circuit, if the inner buzzer sounds,
the resistance is less than 50Ω.
Overload Protection: 250V DC or AC Peak Value.
CAUTION
：
DO NOT INPUT VOLTAGE AT THIS RANGE!
2-3-7.Celsius/Fahrenheit(
℃
/
℉
)(Only VICTOR81B)
1. Switch the knob to“
℃
/
℉
”range, press “SELECT” button to switch to
“
℃
” and “
℉
” measurement mode.
2. Insert the cathode(black pin) of cold end (free end) of thermocouple into
“COM” jack, anode (red pin) into “
” terminal, put the working end
mA
mA
mA
mA
V
V
V
V
(temperature measurement end) of thermocouple on the surface or inside
the object to be tested. Then you can read temperature from the screen,
and the data is in Centigrade.
Note
Note
Note
Note
：
1. When the input terminal open-circuit ,it will display the normal
temperature.
2. Don’t change the temperature probe optionally ,or the value accuracy
isn’t guarantee.
3. Don’t input voltage at temperature range.
Range
Display
Test Condition
Forward Voltage Drop of
Diode
Forward DC Current is
Approx.
0.5mA
，
Backward Voltage
is
Approx. 1.5V
Buzzer
makes
a
long
sound while resistance is
less than 50Ω
Open circuit voltage is
Approx. 0.5V
