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True RMS Bench Multimeter
M
odel 5492B
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Rang e Resolution
Full Scale
Reading
Accura cy
(1 year)
Typical Input
Impe dance
1
20.000 mV
1
µV
1
19.999
0
.02+0.008
(1)
>
10 GΩ
1.20000 V 10 µV 1.19999 0.01+0.004
(
1)
>10 GΩ
1
2.0000 V
1
00 µV
1
1.9999
0
.01+0.004
>
10 GΩ
1
20.000 V 1 mV 119.999 0.01+0.004 10 MΩ ±1%
1
000.00 V
1
0 mV
1
010.00
(2)
0
.01+0.004
1
0 MΩ ±1%
(
1) under REL status
(2) 1% overrange (1010 V) is readable at 1000 V range
DC Voltage
AC Voltage (True RMS, AC coupled)
Specifications
Measurement method: AC coupled true RMS, measuring the AC component only
Maximum Crest factor: 3.0 at full scale
Input impedance: 1 MΩ ± 2% in parallel with capacitance <100 pF
Input protection: 750 Vrms, 500 Vdc
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Range Resolution
Full Scale
Reading
Accura cy (1 year)
(1)
10- 20 Hz 20-50 Hz 50-20 kHz 20- 50 kHz 50- 100 kHz
120.000 mV 1 µV 119,999 1.50+0.100 0.50+0.100 0.10+0.100 0.30+0.150 1.0+0.150
1.20000 V 10 µV 1.19999 1.50+0.100 0.50+0.100 0.10+0.100 0.30+0.150 1.0+0.100
12.0000 V 100 µV 11.9999 1.50+0.100 0.50+0.100 0.10+0.100 0.30+0.150 1.0+0.100
120.000 V 1 mV 119.999 1.50+0.100 0.50+0.100 0.10+0.100 0.30+0.150 1.0+0.100
750.00 V 10 mV 757.50
(
3)
1.50+0.100 0.50+0.100 0.10+0.100 0.30+0.150
(
2)
1.0+0.100
(
1)
(1) Specifications are for sine wave inputs >5% of range
(2) ≤ 3×10
7
Volt-Hz for 750 V range
(3) 1% overrange (757.5V) is readable at 750 V range
S
pecifications are based on the following conditions:
■ One year calibration cycle
■ Operating temperature between 18 °C to 28 °C
■ Accuracy expressed as: ± (% of reading + % of range) after 30 minutes warm-up and valid for 10 PLC (Slow)
■ Temperature coefficient: add ± [0.1% × (applicable accuracy)/°C] for 0 °C to 18 °C and 28 °C to 40 °C
■ Relative humidity: Up to 80% RH for 0 °C to 28 °C (75% RH for 10 MΩ and above ranges
for resistance measurement), up to 70% RH for 28 °C to 40 °C
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Range Resolution
Full Scale
Reading
Accura cy
(1 year)
Burden Voltage
(1)
& Shunt Resistor
12.0000 mA 0.1 µA 11.9999 0.05+0.008
(2)
<0.15 V / 10.1 Ω
120.000 mA 1 µA 119.999 0.05+0.004
(2)
<1.5 V / 10.1 Ω
1.20000 A 10 µA 1.19999 0.10+0.004
<0.3 V / 0.1 Ω
12.0000 A
(3)
100 µA 11.9999 0.25+0.004
<0.15 V / 10 mΩ
(1) Typical voltage across the input terminals at full scale reading
(2) Use REL function
(3) In 12 A range, >10~12 ADC is readable for 20 seconds maximum
DC Current
Input protection: 1000 V
Input protection: Externally accessible 2A / 250V fuse protecting the low input current terminal (LO).
Internally accessible 20A / 250V fuse protecting the high current input terminal (10A)
(1 Seiten)
(37 Seiten)
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