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525B Temperature/Pressure Calibrator Fluke Calibration 3

General Specifications

Warm up time................................................................Twice the time since last warmed up, to a maximum of 30 minutes.

Settling time..................................................................Less than 5 seconds for all functions and ranges except as noted.

Standard interface.......................................................RS-232, IEEE-488 (GPIB)

Temperature performance

Operating ....................................................................0 °C to 50 °C

Calibration (tcal) ........................................................18 °C to 28 °C

Storage ........................................................................-20 °C to 70 °C

Electromagnetic compatibility..................................CE: Conforms to EN61326

Temperature coefficient.............................................Temperature coefficient for temperatures outside tcal ± 5 °C is

10 % of the 90 day specification (or 1 year if applicable) per °C

Relative humidity

Operating ....................................................................< 80 % to 30 °C, < 70 % to 40 °C, < 40 % to 50 °C

Storage ........................................................................< 95 % noncondensing

Altitude

Operating ....................................................................3,050 m (10,000 ft) maximum

Nonoperating..............................................................12,200 m (40,000 ft) maximum

Safety...............................................................................EN 61010 Second, ANSI/ISA-S82.01-1994,

CAN/CSA-C22.2 No. 1010.1-92, NRTL

Analog low isolation....................................................20 V

Line power

Line Voltage (selectable) ..........................................00 V/120 V or 220 V/240 V

Line Frequency ..........................................................47 to 63 Hz

Line Voltage Variation ..............................................± 10 % about line voltage setting

Power consumption.....................................................15 VA maximum

Dimensions

Height..........................................................................13.3 cm (5.25 in) plus 1.5 cm (0.6 in) four feet on bottom

Width...........................................................................¾ standard rack width

Depth...........................................................................47.3 cm (18.6 in) overall

Weight (without options)..............................................4 kg (9 lb)

Electrical Specifications

DC Voltage Specifications, Output

Absolute Uncertainty,

tcal ±

5 °C

(ppm of output + µV)

Stability

Ranges

[1]

90 days 1 year

24 hours, ±

1 °C

(ppm of output + µV)

Resolution

Maximum

Burden

[2]

0 to 100.000 mV 25 3303 5 + 2 1 µV 10 mA

0 to 1.00000 V 25 10 30 10 4 + 10 10 µV10 mA

0 to 10.0000 V 25 10030100 4 + 100 100 µV 10 mA

0 to 100.000 V 25 1 mV 30 1 mV 5 + 1 mV 1 mV 1 mA

TC Output

-10 to 75.000 mV 25 3303 5 + 21µV10 Ω

Notes:

[1] All outputs are positive only.

[2] Remote sensing is not provided. Output resistance is < 1Ω.

Noise

Ranges

Bandwidth 0.1 to 10 Hz

(ppm of output + µV p-p)

Bandwidth 10 Hz to 10 kHz

(µV rms)

0 to 100.000 mV 1 µ

µV

0 to 1.00000 V 10 µ

0 µV

0 to 10.0000 V 100 µ

00 µV

0 to 100.000 V 10 ppm+1 mV 20 mV

DC Current Specifications, Output

Absolute Uncertainty

tcal ± 5 °C ± (ppm of output + µA)

Ranges

[1]

90 days 1 year

Resolution

Maximum

Compliance

Voltage

Maximum

Inductive Load

0 to 100.000 mA 40 1501 1 μA 12 V 100 mH

Note:

[1] All outputs are positive only.

Noise

Ranges

Bandwidth

0.1 to 10 Hz p-p

Bandwidth

10 Hz to 10 kHz rms

0 to 100.000 mA 2000 nA 20 μA

Resistance Specifications, Output

Absolute Uncertainty

tcal ± 5°C, ±

Ranges

[1]

90 days 1 year

Resolution Allowable Current

[2]

5 to 400.00 Ω 0.012 0.015 0.001 Ω 1 to 3 mA

5 to 4.0000 kΩ 0.25 0.3 0.01 Ω 100 μA to 1 mA

Notes:

[1] Continuously variable from 0 to 4 kΩ.

[2] For currents lower than shown, the floor adder increases by Floor

(new)

= Floor

(old)

x I

min

actual

For example, a 500 μA stimulus measuring 100 Ω has a floor uncertainty of 0.015 Ω x 1 mA/500 μA = 0.03 Ω.

Resistance Specifications, Input

Absolute Uncertainty

tcal ± 5°C, ± (ppm of output + Ω)

Ranges

[1]

90 days 1 year

Resolution Stimulus Current

5 to 400.00 Ω 20 0.0035 20 0.004 0.001 Ω 1mA

5 to 4.00000 kΩ 20 0.0035 20 0.004 0.01 Ω 0.1 mA

Note:

[1] 4-wire mode.