M-142 Multifunction Calibrator
MEATEST, s.r.o.
10
User Manual v48
The function of the potentiometer can usually be performed by the cursor buttons. The central button is used to
confirm the selection (ENTER).
4
Numeric keyboard
The keyboard allows the entry of numeric values on the display. The central button is used to confirm the
selection (ENTER). CANCEL button can be used to cancel the entry.
5
Function buttons
Function buttons can be used to call-up the functions of the calibrator directly. The following buttons are
provided:
function
button
DC voltage
U / DC
AC voltage
U / AC
DC current
I / DC
AC current
I / AC
resistance / capacitance
R – C
power / energy
P – E
frequency
F
internal multimeter
METER
simulation of temperature sensors
T
Tab. I One touch buttons
After the function mode is changed, the parameters of the respective function are restored. If the respective
function was never used, the calibrator resets to its reference values. Reference values for individual functions are
listed below.
function
value
parameters
DC voltage
10V
- -
AC voltage
10 V
f = 1000 Hz
DC current
100 mA
- -
AC current
100 mA
f = 1000 Hz
resistance
100 k
capacitance
1
F
power
100 W
f = 100 Hz
*1
energy
frequency
1000 Hz
U = 1 Vsym
multimeter
10 V
DC voltage
simulation of temperature sensors
100
o
C
Pt 100/1.385, ITS90
cold junction temperature of TC sensors
23
o
C
R
Tab. 2 Reference values
*1
U = 100 V, I = 1 A, PF(power factor) = 1 LA, active power is displayed in Watts
