KYORITSU 3161A - Manual (Page 8)

(*Supply voltage: 6V)
― 6 ―
Operating error (B) is an error obtained under the nominal operating
conditions, and calculated with the intrinsic error (A), which is an
error of the instrument used, and the error (En) due to variations.
According to IEC61557, the maximum operating error should be
within +/-30%.
Ｂ ＝︱Ａ︱＋ 1.15 × √
（ Ｅ
12
＋ Ｅ
22
＋ Ｅ
32
）
Ａ ： Intrinsic error (%)
Ｂ ： Operating error (%)
Ｅ
1
： Variation due to changing the temperature (%)
Ｅ
2
： Variation due to changing the Battery voltage (%)
Ｅ
3
： Variation due to changing the position (%)
¡ Nominal operating conditions
Ambient temperature : 0 ∼ 40℃
Relative humidity
: 90% or less
External magnetic field : 400A/m or less
Position
: Horizontal ∼ ±90°
Battery voltage : within "BATTERY. GOOD" range
< AC voltage range>
Measured voltage
Accuracy 0 ∼ 600V
within ±3% of the max. scale value
Range
0.05MΩ
0.5MΩ
at least 700 times
at least 700 times
Possible number
of measurement
Possible number of measurement within the "BATTERY.GOOD"
range.(Measure 5 sec., and take pause for 25 sec..)
Resistor
for test
15V/20MΩ
500V/100MΩ
Range
Outputting
nominal current
at short-
circuited
500V/100MΩ
15V/20MΩ
BATT.CHECK
Using Back light
Mid-point
measuremet
Stand-
by
230mA
230mA
230mA
Increased by 45mA
170mA/0.5MΩ
Not specified
85mA/2MΩ
Not specified
55mA
55mA