Test Products International 183A User Manual
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12
b. Rotary Switch
OFF
Turns the 183A off.
Function for measuring AC voltage (ACV).
Function for measuring DC voltage (DCV).
Function for measuring AC/DC millivolts (mV).
Funtion for measuring resistance, diode testing
and continuity buzzer
40
Function for measuring up to 40 DC micoamps
(uA)
Function for measuring up to 4000 AC/DC
microamps.
Function for measuring up to 400 AC/DC
milliamps.
Function for measuring up to 10 AC/DC amps
Hz
Function for measuring Frequency
CAP
Function for measuring Capacitance
c. Input Jacks
V
WHz
Red test lead connection for all Volt, Ohm,
Frequency and Capacitance functions.
COM
Black test lead connection for all functions.
uAmA
Red test lead connection for current
measurements on the uA and mA functions.
A
Red test lead connection for current
measurements on the A function.
d. Disable Auto Power Off (APO)
With the rotary switch in the OFF position Press and
hold down the FUNCTION push button while turning
the instrument on.
Push
Buttons
LCD
Display
Rotary
Switch
Input
Jacks
D. MEASUREMENT TECHNIQUES
1.
Controls and Functions:
a. Push Buttons
Activates manual ranging. Hold in for 3 seconds
to return to autorange.
Activates the Min/Max mode.
Toggles the ACV or ACA measurement mode to
Hz or Duty Cycle mode.
Displays value as a difference of reference value.
Activates optonal fuctions highlighted in orange
around dial. APO (Auto Power Off) is disabled in
this function. Hold in for 3 seconds to deactivate.
Activates Low Pass Filter.
Holds the reading on the display until the button
is pushed a second time.
RANGE
REC
Hz/DUTY
REL
FUNCTION
LPF
HOLD