Kyoritsu Electrical Instruments Works KEW MEG 3161A, Instruction Manual

Page: 8 / 24

— 6 —
<Current consumption>(*Supply voltage: 6V)
― 6 ―
<Operating error>
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
/-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
<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
― 7 ―
Temperature & humidity : 0℃ ～ 40℃ (RH: 85% or less)
range (no condensation)
Storage temperature & : -20℃ ～ ＋60℃ (RH: 75% or less)
humidity range (no condensation)
Insulation resistance : at least 50MΩ/ DC500V between
the electrical circuit and the enclosure
Withstand voltage : AC3700V(50/60Hz) for 1 min. between
the electrical circuit and the enclosure
Overload protection
Insulation resistance range:
15V 100V (50/60Hz) for 10 sec.
500V 600V (50/60Hz) for 10 sec.
AC voltage range:
600V 720V (50/60Hz) for 10 sec.
Dimension : approx. 90(L) x 137(W) x 40(D)mm
Weight : approx. 340g (including batteries)
Power source : R6P (SUM-3), AA, x 4pcs
Nominal power : 1.8VA
Accessories
MODEL7139 Test lead with remote control switch 1 set
MODEL7101 Flat test bar 1 pce
MODEL7131 Safety alligator clip 1 pce
MODEL8017 Extension prod 1 pce
Neck strap 1 pce
Cord case 1 pce
R6P (SUM-3), size AA 4 pcs
Instruction manual 1 pce
Optional
MODEL7116 Extension probe
MODEL8016 Pickle type prod
Pickle type prod
Extension probe