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Introduction and Specifications
Resistance Specifications
1
1-25
Table 1-12. Resistance Secondary Performance Specifications and Operating Characteristics
Nominal
Value
Stability
±1 °C
[Note 1]
Temperature
Coefficient Adder
[Note 2]
Full Spec
Load Range
Maximum
Peak
Current
Maximum
Difference
of
Characterized
Two-Wire Adder
active
compensation
[Note 4]
10°-40 °C 0°-10 °C
and
[Note 3] to Nominal
Value
Lead Resistance
24 Hours 40°-50 °C 0.1Ω 1Ω
Ω±ppm ±ppm/°C mA mA ±ppm ±mΩ
0
00
8 - 500 500
2 +
Im
4 V
µ
4 +
Im
4 V
µ
13245
00
8 - 100 700 500
2 +
Im
4 V
µ
4 +
Im
4 V
µ
1.9 25 6 7
00
8 - 100 500 500
2 +
Im
4 V
µ
4 +
Im
4 V
µ
10 5 2 3
00
8 - 11
220 300
2 +
Im
4 V
µ
4 +
Im
4 V
µ
19 4 2 3
00
8 - 11 160 300
2 +
Im
4 V
µ
4 +
Im
4 V
µ
100 2 2 3
00
8 - 11 70 150
2 +
Im
4 V
µ
4 +
Im
4 V
µ
190 2 2 3
00
8 - 11 50 150
2 +
Im
4 V
µ
4 +
Im
4 V
µ
1 k 2 2 3
00
1 - 2 22 150
10 15
1.9 k 2 2 3
00
1 - 1.5 16 150
10 15
10 k 2 2 3 100 - 500 µA 7 150
50 60
19 k 2 2 3
0
50 - 250 µA 5 150
100 120
100 k 2 2 3 10 - 100 µA 1 150 I
m
= Current
produced by
Ohmmeter
190 k 2 2 3 00 5 - 50 µA 500 µA 150
1 M 2.5 2.5 6 00 5 - 20 µA 100 µA 200
1.9 M 3.5 3 10 02.5 - 10 µA 50 µA 200
10 M 10 5 20 00.5 - 2 µA 10 µA 300
19 M 20 8 40 0.25 - 1 µA5 µA 300
100 M 50 12 100 0 50 - 200 nA 1 µA 500
Notes:
1. Stability specifications are included in the Absolute Uncertainty values in the primary specification tables.
2. Temperature coefficient is an adder to uncertainty specifications that does not apply unless operated
more than 5 °C from calibration temperature, or calibrated outside the range 19 °C to 24 °C. Two
examples:
• Calibrate at 20 °C: Temperature coefficient adder is not required unless operated below 15 °C or
above 25 °C.
• Calibrate at 26 °C: Add 2 °C temperature coefficient adder. Additional temperature coefficient adder is
not required unless operated below 21 °C or above 31 °C.
3. Refer to current derating factors table for loads outside of this range.
4. Active two-wire compensation may be selected for values less than 100 kΩ, with either the front panel or
the meter input terminals as reference plane. Active compensation is limited to 11 mA load, and to 2 V
burden. Two-wire compensation can be used only with Ω-meters that source continuous (not pulsed) dc
current.