ISAS

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Developer of RTD
temperature sensor
for DeviceNet
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Specifications


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General Specifications for Fluke 741, 743 and 744 calibrators

 Data log: Measure V, mA, Ohms, frequency, temperature, pressure, 1 to 60 readings per minute, 8000 readings max.
Ramp: Source V, mA, frequency, temperature. Four steps/second; trip detect on continuity or voltage.
Loop power: Selectable, 24V or 28V; 22 mA max.
Environmental: 741/743 specifications apply from +18°C to +28°C
Operating temperature: -10°C to 50°C (typical specs to -20°C)
    Pressure modules are totally compensated and specs apply 0°C to 50°C
Storage temperature: -20°C to 60°C
Safety: Compiles with CAN/CSA C22.2 No. 1010.1-92, ANSI/ISA S82.01-1994, UL3111 and EN610-1:1993
Size/weight: 130 x 236 x 61 mm (5.1 x 9.3 x 2.4 in), weight 1.4 kg (3 lbs 1 oz)
Battery: Internal battery pack NiCd, 7.2 V, 1700 mAh, NiMH (744 only) 7.2 V, 3500 mAh, typical usage, greater than 8 hours
Warranty: Three years

Summary  One Year Specifications

Measure

Source

Range (full scale)

Accuracy
(% of reading+ % of full scale)

Range (full scale)

Accuracy
(% of reading + % of full scale)

110.000 mV DC

0.025% + 0.015%

110.000 mV

0.01% + 0.005%
1.10000V DC 0.025% + 0.005%

1.10000V

 0.01% + 0.005%
11.0000V DC

0.025% + 0.005%

 15.0000V 0.01% + 0.005%

110.000V DC

0.05% + 0.005%

 

 

300.00V DC

 0.05% + 0.005%    
V AC, 20 to 40 Hz 2% + 10 counts    
V AC, 40 to 500 Hz 0.5% + 5    
V AC, 500 to 1 kHz 2% + 10    
V AC, 1 to 5 kHz 10% + 20    
30.000 mA DC 0.01% + 0.015% Source 22.000 mA 0.01% + 0.015%
110.00 mA DC 0.01% + 0.015% Simulate 22.000 mA 0.02% + 0.03%
11.000 Ohms 0.05% + 50 milliOhms 11.000 Ohms 0.01% + 20 miliOhms
110.00 Ohms 0.05% + 50 miliOhms 110.00 Ohms 0.01% + 40 miliOhms
1.1000 kiloOhms 0.05% + 0.5 Ohms 1.1000 kiloOhms 0.02% + 0.5 Ohms
11.000 kiloOhms 0.1% + 10 Ohms 11.000 kiloOhms 0.03% + 5 Ohms
1.00 to 109.99 Hz 0.05 Hz 0.00 to 10.99 Hz 0.01 Hz
110.0 to 1099.9 Hz 0.5 Hz 11.00 to 109.99 Hz 0.1 Hz
1.100 to 10.999 kHz 5 Hz 110.0 to 1099.9 Hz 0.1 Hz
11.00 to 50.00 kHz 50 Hz 1.100 to 21.999 kHz 2 Hz
    22.000 to 50.000 kHz 5 Hz


Temperature, RTDs and Thermocouples

Device

 Measure
Accuracy

Source
Accuracy

10 Ohms Cu (427)

3°C

 1°C

100 Ohms Pt (3916)

0.3°C

0.1°C

100 Ohms Pt (3926)

0.3°C

0.1°C

100 Ohms Pt (385)

0.3°C

0.1°C
200 Ohms Pt (385)

0.3°C

0.1°C
500 Ohms Pt (385)

0.3°C

0.1°C
1000 Ohms Pt (385)

0.3°C

0.1°C
120 Ohms Ni (672)

0.3°C

0.1°C
E

0.3°C

0.2°C

N

0.5°C

0.3°C
J 0.3°C 0.2°C
L 0.3°C 0.2°C
K 0.3°C 0.3°C
T 0.3°C 0.3°C
U 0.3°C 0.3°C
B 0.9°C 0.8°C
R 1.0°C 0.9°C
S 0.9°C 0.9°C
C 0.6°C 0.6°C