10-2
IM CA71-E
10.1 Calibration Standard Selection and Environmental Requirements
Measurement Functions
Function
to Be
Adjusted
Standard's
Name
Range
to Be
Adjusted
Measuring
Range
Accuracy
Remarks
DCV
High-precision
calibrator
100 mV
1 V
10 V
30 V
100 mV
1 V
10 V
30 V
±
(
0.0025%+1 μV)
±
(
0.0025%+20 μV)
±
(
0.0025%+0.2 mV)
±
(
0.005%+2 mV)
---
DCA
20 mA
100 mA
20 mA
100 mA
±
(
0.0025%+0.4 μA)
±
(
0.004%+3 μA)
---
Ω
Decade
resistance box
---
400 Ω
±
(
0.01%)
---
ACV
AC calibrator or
AC voltage
source
1V
10 V
100 V
300 V
1 V
10 V
100 V
300 V
±(0.08%+0.015%)
---
■ 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 standard.
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
Summary of Contents for CA71 HANDY CAL
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