Appendix A Specifications 285
Reading Rate (Auto-Zero Off)
Temperature Coefficient (Auto-Zero off)
For a stable environment ±1°C add the
following additional error for AZERO OFF
2 / Resistance
Two-wire and Four-wire Ohms (OHM and OHMF Functions)
Range Error
100 mV–10 V 5µV/°C
100 V–1000 V 500 µV/°C
Range Full Scale Maximum
Resolution
Current
Source
6
Test
Voltage
Open
Circuit
Maximum
Lead
Resistance
(OHMF)
Maximum
Series Offset
(OCOMP
ON)
Temperature Coefficient (ppm
of Reading + ppm of Range) / °C
Without
ACAL
7
With ACAL
8
10 W 12.00000 10 µW 10 mA 0.1 V 12 V 20 W 0.01 V 3+1 1+1
100 W 120.00000 10 µW 1 mA 0.1 V 12 V 200 W 0.01 V 3+1 1+1
1 kW 1.2000000 100 µW 1 mA 1.0 V 12 V 150 W 0.1 V 3+0.1 1+0.1
10 kW 12.000000 1 mW 100 µA 1.0 V 12 V 1.5 kW 0.1 V 3+0.1 1+0.1
100 kW 120.00000 10 mW 50 µA 5.0 V 12 V 1.5 kW 0.5 V 3+0.1 1+0.1
1 MW 1.2000000 100 mW 5 µA 5.0 V 12 V 1.5 kW 3+1 1+1
10 MW 12.000000 1 W 500 nA 5.0 V 12 V 1.5 kW 20+20 5+2
100 MW
9
120.00000 10 W 500 nA 5.0 V 5 V 1.5 kW 100+20 25+2
1 GW
7
1.2000000 100 W 500 nA 5.0 V 5 V 1.5 kW 1000+20 250+2
1. For PRESET; DELAY 0;
DlSP OFF; OFORMAT
DINT; ARANGE OFF.
2. Aperture is selected
independent of line
frequency (LFREQ).
These apertures are for 60
Hz NPLC values where
1 NPLC = 1/LFREQ. For
50 Hz and NPLC
indicated, aperture will
increase by 1.2 and
reading rates will decrease
by 0.833
3. For OFORMAT SINT
4. > 10
10
W LO to Guard
with guard open.
5. > 10
12
W Guard to Earth.
Selected Reading Rates
1
Maximum Input
Input Terminals
Terminal Material: Gold-plated Tellurium Copper
Input Leakage Current:<20pA at 25°C
Readings / Sec
NPLC Aperture Digits Bits A-Zero
Off
A-Zero
On
0.0001 1.4 µs 4.5 16 100,000
3
4,130
0.0006 10 µs 5.5 18 50,000 3,150
0.01 167 µs
2
6.5 21 5,300 930
0.1 1.67 ms
2
6.5 21 592 245
1 16.6 ms
2
7.5 25 60 29.4
10 0.166 s
2
8.5 28 6 3
100 8.5 28 36/min 18/min
1000 8.5 28 3.6/min 1.8/min
Rated Input Non-Destructive
HI to LO ±1000 V pk ±1200 V pk
LO to Guard
4
±200 V pk ±350 V pk
Guard to Earth
5
±500 V pk ±1000 V pk
6. Current source is ± 3%
absolute accuracy.
7. Additional error from Tcal or
last ACAL ± 1° C.
8. Additional error from Tcal ±
5° C.
9. Measurement is computed
from 10 M W in parallel with
input