Chapter 1 Specifications Dc, Resistance, And Temperature Accuracy Specifications - Agilent Technologies 34970A Service Manual

Chapter 1 Specifications
DC, Resistance, and Temperature Accuracy Specifications
DC, Resistance, and Temperature Accuracy Specifications
±
( % of reading + % of range )
Includes measurement error, switching error, and transducer conversion error
Function Range
100.0000 mV
DC Voltage
1.000000 V
10.00000 V
100.0000 V
300.000 V
[4]
100.0000
Resistance
1.000000 k
10.00000 k
100.0000 k
1.000000 M
10.00000 M
100.0000 M
10.00000 mA
DC Current
34901A Only 100.0000 mA
1.000000 A
Temperature
Type
[6]
B
Thermocouple
E
J
K
N
R
S
T
R from 49
RTD
0
to 2.1 k
2.2 k, 5 k, 10 k
Thermistor
[1] Specifications are for 1 hour warm up and 6
[2] Relative to calibration standards
[3] 20% over range on all ranges except 300 Vdc and 1 Adc ranges
[4] Specifications are for 4-wire ohms function or 2-wire ohms using Scaling to remove the offset.
Without Scaling, add 1 additional error in 2-wire ohms function.
Ω
[5] 1 year accuracy. For total measurement accuracy, add temperature probe error.
[6] Thermocouple specifications not guaranteed when 34907A module is present
16
[1]
[3]
Test Current or
Burden Voltage
1 mA current source
Ω
1 mA
Ω
100 A
Ω µ
10 A
Ω µ
5 A
Ω µ
500 nA
Ω
500 nA || 10 M Ω
Ω
< 0.1 V burden
< 0.6 V
< 2 V
Best Range Accuracy
1100 ° C to 1820 ° C
-150 C to 1000 C
° °
° °
-150 C to 1200 C
-100 C to 1200 C
° °
-100 C to 1300 C
° °
300 C to 1760 C
° °
400 ° C to 1760 ° C
-100 C to 400 C
° °
-200 ° C to 600 ° C
Ω
Ω
-80 C to 150 C
° °
1
⁄ digits
2
[2]
24 Hour
90 Day
23 °C ± 1 °C
23 °C ±
0.0030 + 0.0035 0.0040 + 0.0040
0.0020 + 0.0006 0.0030 + 0.0007
0.0015 + 0.0004 0.0020 + 0.0005
0.0020 + 0.0006 0.0035 + 0.0006
0.0020 + 0.0020 0.0035 + 0.0030
0.0030 + 0.0035 0.008 + 0.004
0.0020 + 0.0006 0.008 + 0.001
0.0020 + 0.0005 0.008 + 0.001
0.0020 + 0.0005 0.008 + 0.001
0.002 + 0.001 0.008 + 0.001
0.015 + 0.001 0.020 + 0.001
0.300 + 0.010 0.800 + 0.010
0.005 + 0.010 0.030 + 0.020
0.010 + 0.004 0.030 + 0.005
0.050 + 0.006 0.080 + 0.010
[5]
Extended Range Accuracy
1.2 ° C 400 ° C to 1100
1.0 C -200 C to -150
° °
° °
1.0 C -210 C to -150
1.0 C -200 C to -100
° °
1.0 C -200 C to -100
° °
1.2 C -50 C to 300
° °
1.2 ° C -50 ° C to 400
1.0 C -200 C to -100
° °
0.06 ° C
0.08 C
°
1 Year
5 °C 23 °C ± 5 °C
0.0050 + 0.0040
0.0040 + 0.0007
0.0035 + 0.0005
0.0045 + 0.0006
0.0045 + 0.0030
0.010 + 0.004
0.010 + 0.001
0.010 + 0.001
0.010 + 0.001
0.010 + 0.001
0.040 + 0.001
0.800 + 0.010
0.050 + 0.020
0.050 + 0.005
0.100 + 0.010
[5]
° C 1.8 ° C
C 1.5 C
° °
° °
C 1.2 C
C 1.5 C
° °
C 1.5 C
° °
C 1.8 C
° °
° C 1.8 ° C
C 1.5 C
° °
Temperature
Coefficient /°C
0 °C – 18 °C
28 °C – 55 °C
0.0005 + 0.0005
0.0005 + 0.0001
0.0005 + 0.0001
0.0005 + 0.0001
0.0005 + 0.0003
0.0006 + 0.0005
0.0006 + 0.0001
0.0006 + 0.0001
0.0006 + 0.0001
0.0010 + 0.0002
0.0030 + 0.0004
0.1500 + 0.0002
0.002 + 0.0020
0.002 + 0.0005
0.005 + 0.0010
0.03 ° C
0.03 C
°
°
0.03 C
0.03 C
°
0.03 C
°
0.03 C
°
0.03 ° C
0.03 C
°
0.003 ° C
0.002 C
°