10-2
IM CA71-E
10.1 Calibration Standard Selection and Environmental
Measurement Functions
High-precision
calibrator
Function
to Be
Adjusted
Range
to Be
Adjusted
Remarks
Accuracy
Measuring
Range
Standard’s
Name
DCA
DCV
Ω
Decade
resistance box
AC calibrator
or AC voltage
source
ACV
±
(0.0025% + 0.4
µ
A)
±
(0.004% + 3
µ
A)
±
(0.0025% + 1
µ
V)
±
(0.0025% + 20
µ
V)
±
(0.0025% + 0.2 mV)
±
(0.005% + 2 mV)
±
(0.01%)
±
(0.08% + 0.015%)
20 mA
100 mA
100 mV
1 V
10 V
30 V
–
1 V
10 V
100 V
300 V
20 mA
100 mA
100 mV
1 V
10 V
30 V
400
Ω
1 V
10 V
100 V
300 V
◆
Environmental Requirements
Ambient temperature:
23
±
1
°
C
Relative humidity:
45 to 75%
Warm-up:
Before use, warm up the calibration standard
for the period of time specified for the stan-
dard.
Auxiliary-digit indicator
(The value should be read as 400.000.)
Keys for adjusting the
setpoint value of source
Key for
confirming/saving
adjustment value
Keys for selecting/canceling
CAL mode
(Press in combination.)
Keys for switching
between the
measurement and
source CAL modes.
Keys for adjusting the two digits,
including the auxiliary digit
CAL mode indicator
0 denotes zero-point
adjustment and FS
denotes full-scale
adjustment.
The indicator blinks when
any source function is being operated.
CAL-mode Operation keys and Display Indications
