Performance Tests Voltage, Resistance, and Frequency

Performance Testing and Calibration	4
Performance Tests

Table 4-2. Performance Tests (Voltage, Resistance, and Frequency)

FUNCTION	RANGE	INPUT	FREQUENCY
		LEVEL
		LEVEL
DC Volts	90 mV *	short (0)	⎯
	90 mV *	90 mV	⎯
	300 mV	short (0V)	⎯
	300 mV	150 mV	⎯
	300 mV	290 mV	⎯
	900 mV* **	900 mV	⎯
	3V	2.9V	⎯
	3V	-2.9V	⎯
	30V	29V	⎯
	150V	150V	⎯
	300V	290V	⎯

*Range only used on 2635A (not used in autoranging).

**Computer I/F only (see FUNC command).

DISPLAY ACCURACY

(1 Year, 18-28°C)

MINMAX

-0.007	0.007
89.962	90.038
-0.02	0.02

149.93150.07

289.89290.11

899.70900.30

2.89882.9012

-2.9012 -2.8988

28.99029.010

149.94150.06

289.90290.10

Note

Voltages greater than 150V can only be applied to channels 0, 1, and 11.

AC Volts

300mV

30V

150V

300V

20mV

290mV

900mV

2.9V

29V

150V

290V

1kHz

100kHz

1kHz

100kHz

1kHz

19.71

18.50

289.26

275.00

2.8934

28.931

149.54

289.34

20.28

21.50

290.74

305.00

2.9066

29.069

150.46

290.66

Note

Voltages greater than 150V can only be applied to channels 0, 1, and 11. The rear Input Module must be installed when measuring ac volts on channel 0.

Resistance (4-Terminal)

Note

For 2-terminal measurements, the resistance accuracy given in this table applies to channel 0 only and makes allowance for up to 0.05Ω of lead wire resistance. You must add any additional lead wire resistance present in your set up to the resistance values given in this table.

Using inputs in decades of 3:

300Ω

⎯

3 kΩ

⎯

30 kΩ

300 kΩ

3 MΩ

Using inputs in decades of 1.9:

300Ω

⎯

3 kΩ

⎯

30 kΩ

300 kΩ

3 MΩ

short 300Ω short

3kΩ

30kΩ

300kΩ

3MΩ

short 190Ω short

1.9kΩ 19 kΩ 190 kΩ

1.9MΩ

0.00

299.80

0.0000

2.9981

29.980

299.81

2.9979

0.00

189.87

0.0000

1.8987

18.987

189.87

1.8986

0.09

300.27

0.0003

3.0020

30.020

300.19

3.0021

0.09

190.20

0.0003

1.9014

19.013

190.13

1.9014

4-5

2635A, 2625A specifications

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Fluke 2625A, 2635A Performance Tests Voltage, Resistance, and Frequency, Year, 18-28C

Models: 2635A 2625A

Performance Testing and Calibration