FLUKE-725 Multifunction Process Calibrator

Measurement Accuracy

Voltage DC

30.000 V

0.02% + 2 counts (upper display)

30.000 V

0.02% + 2 counts (lower display)

100.00 mV

0.02% + 2 counts

-10.00 mV to 75.00 mV

0.025% + 1 count (via TC connector)

Current DC

24.000 mA

0.02% + 2 counts

Resistance

0.0 to 400.0 Ω

0.1 Ω (4-wire), 0.15 Ω (2- and 3-wire)

401 to 1500 Ω

0.5 Ω (4-wire), 1 Ω (2- and 3-wire)

1500 to 3200 Ω

1 Ω (4-wire), 1.5 Ω (2- and 3-wire)

Frequency

2.0 to 1000.0 CPM

0.05% + 1 count

1.0 to 1100.0 Hz

0.05% + 1 count

1.00 to 10.00 kHz

0.05% + 1 count

Sensitivity

1 V peak-to-peak-minimum

Pressure

Accuracy from 0.025% of range using any of 29 pressure modules (for detailed specifications refer to pressure modules in options and accessories). Modules available for differential, gauge, vacuum, absolute, dual and high pressure.

Source Accuracy

Voltage DC

100.00 mV

0.02% + 2 counts

10.000 V

0.02% + 2 counts

-10.00 mV to 75.00 mV

0.025% + 1 count (via TC connector)

Current DC

24.000 mA (source)

0.02% + 2 counts

24.000 mA (simulate)

0.02% + 2 counts

Resistance

15.0 to 400.0 Ω

0.15 Ω (exc. current 0.15 to 0.5 mA), 0.1 Ω (exc. current 0.5 to 2 mA)

401 to 1500 Ω

0.5 Ω (excitation current 0.05 to 0.8 mA)

1500 to 3200 Ω

1 Ω (excitation current 0.05 to 0.4 mA)

Frequency

2.0 to 1000.0 CPM

0.05%

1.0 to 1100.0 Hz

0.05%

1.00 to 10.00 kHz

0.25%

Waveform

5 V p-p squarewave, -0.1 V offset

RTDs and Thermocouples

Measure accuracy

NI-120

0.2°C

PT-100 (385)

0.33°C

PT-100 (393)

0.3°C

PT-100 (JIS)

0.3°C

PT-200 (385)

0.2°C

PT-500 (385)

0.3°C

PT-1000 (385)

0.2°C

Resolution

0.1°C

J

0.7°C

K

0.8°C

T

0.8°C

E

0.7°C

R

1.8°C

S

1.5°C

B

1.4°C

L

0.7°C

U

0.75°C

N

0.9°C

Resolution

J, K, T, E, L, N, U: 0.1°C, 0.1°F B, R, S: 1°C, 1°F

XK

0.6°C

BP

1.2°C

Source accuracy

NI-120

0.2°C

PT-100 (385)

0.33°C

PT-100 (393)

0.3°C

PT-100 (JIS)

0.3°C

PT-200 (385)

0.2°C

PT-500 (385)

0.3°C

PT-1000 (385)

0.2°C

Resolution

0.1°C

Accuracy stated for 4-wire measurement.

J

0.7°C

K

0.8°C

T

0.8°C

E

0.7°C

R

1.4°C

S

1.5°C

B

1.4°C

L

0.7°C

U

0.75°C

N

0.9°C

Resolution

J, K, T, E, L, N, U: 0.1°C, B, R, S: 1°C

XK

0.6°C

BP

1.2°C

Specifications

Ramp functions

Source functions

Voltage, current, resistance, frequency, temperature

Ramps

Slow ramp, Fast ramp, 25% step-ramp

Loop power function

Voltage

24 V

Accuracy

10%

Maximum current

22 mA, short circuit protected

Step functions

Source functions

Voltage, current, resistance, frequency, temperature

Steps

25% of range, 100% of range

Environmental Specifications

Operating temperature

-10°C to +55°C

Storage temperature

-20°C to 71°C

Operating altitude

3000 m

Safety Specifications

Agency approvals

EN 61010-1:1993, ANSI/ISA S82.01-1994; CAN/CSA C22.2 No 1010.1:1992

Mechanical and General Specifications

Size

130 x 236 x 61 mm

Weight

0.65 kg

Batteries

4 AA alkaline batteries

Battery replacement

Separate battery compartment, accessable without breaking calibration seal

Side port connections

Pressure module connector, also used for remote real-time programming