Datasheet

Datasheet
TEK.COM26
Meter Specifications (2634B, 2635B, 2636B)
Voltage Measurement Accuracy
1, 2
Range
Default Display
Resolution
3
Input Resistance
Accuracy (1 Year), 23°C ±5°C
±(% rdg. + volts)
200 mV 100 nV >10
14
Ω 0.015% + 225 µV
2 V 1 µV >10
14
Ω 0.02% + 350 µV
20 V 10 µV >10
14
Ω 0.015% + 5 mV
200 V 100 µV >10
14
Ω 0.015% + 50 mV
Temperature Coefficient (0°–18°C and 28°–50°C)
4
±(0.15 × accuracy specification)/°C. Applicable for normal mode only. Not applicable for high
capacitance mode.
Current Measurement Accuracy
2
Range
Default Display
Resolution
5
Voltage Burden
6
Accuracy (1 Year), 23°C ±5°C
±(% rdg. + amps)
*100 pA
7, 8
0.1 fA <1 mV 0.15% + 120 fA
1 nA
7, 9
1 fA <1 mV 0.15% + 240 fA
10 nA 10 fA <1 mV 0.15% + 3 pA
100 nA 100 fA <1 mV 0.06% + 40 pA
1 µA 1 pA <1 mV 0.025% + 400 pA
10 µA 10 pA <1 mV 0.025% + 1.5 nA
100 µA 100 pA <1 mV 0.02% + 25 nA
1 mA 1 nA <1 mV 0.02% + 200 nA
10 mA 10 nA <1 mV 0.02% + 2.5 µA
100 mA 100 nA <1 mV 0.02% + 20 µA
1 A 1 µA <1 mV 0.03% + 1.5 mA
1.5 A 1 µA <1 mV 0.05% + 3.5 mA
10 A
10
10 µA <1 mV 0.4% + 25 mA
*100 pA range not available on Model 2634B.
Current Measure Settling Time (time for measurement to settle after a V
step
)
11
Time required to reach within 0.1% of final value after source level command is processed on a fixed range.
Values for V
out
= 2 V unless noted.
Current Range 1 mA.
Settling Time <100 µs (typical).
Temperature Coefficient (0°–18°C and 28°–50°C)
12
±(0.15 × accuracy specification/°C. Applicable for normal mode only. Not applicable for high
capacitance mode.
NOTES
1. Add 50 µV to source accuracy specifications per volt of HI lead drop.
2. Derate accuracy specifications for NPLC setting <1 by increasing error term. Add appropriate % of range term using table below.
NPLC Setting 200 mV Range 2 V–200 V Ranges 100 nA Range 1 µA–100 mA Ranges 1 A–1.5 A Ranges
0.1 0.01% 0.01% 0.01% 0.01% 0.01%
0.01 0.08% 0.07% 0.1% 0.05% 0.05%
0.001 0.8% 0.6% 1% 0.5% 1.1%
3. Applies when in single channel display mode.
4. High Capacitance Mode accuracy is applicable for 23°C ±5°C only.
5. Applies when in single channel display mode.
6. Four-wire remote sense only with current meter mode selected. Voltage measure set to 200 mV or 2 V range only.
7. 10-NPLC, 11-Point Median Filter, <200 V range, measurements made within 1 hour after zeroing. 23°C ± 1°C
8. Under default specification conditions: ±(0.15% + 750 fA).
9. Under default specification conditions: ±(0.15% + 1 pA).
10. 10 A range accessible only in pulse mode.
11. Delay factor set to 1. Compliance equal to 100 mA.
12. High Capacitance Mode accuracy is applicable for 23°C ±5°C only.