Fluke 725Ex - Operational Precautions

725Ex
Calibration Manual
8
Temperature, RTD Ranges, and Accuracies
Accuracy
Type Range °C
Measure 4-
Wire °C
Measure 2-
and 3-Wire* °C
Source °C
Ni120 -80 to 260 0.2 0.3 0.2
Pt100-385 -200 to 800 0.33 0.5 0.33
Pt100-3926 -200 to 630 0.3 0.5 0.3
Pt100-3916 -200 to 630 0.3 0.5 0.3
Pt200-385
-200 to 250
250 to 630
0.2
0.8
0.3
1.6
0.2
0.8
Pt500-385
-200 to 500
500 to 630
0.3
0.4
0.6
0.9
0.3
0.4
Pt1000-385
-200 to 100
100 to 630
0.2
0.2
0.4
0.5
0.2
0.2
Resolution: 0.1 °C, 0.1 °F
RTD Source: Addresses pulsed transmitters and PLCs with pulses as short as 5 ms.
* 2-wire: Does not include lead resistance.
3-wire: Assumes matched leads with a total resistance not exceeding 100 Ω.
Pressure Measurement
Range Resolution Accuracy Units
Determined by
pressure module
5 digits Determined by
pressure module
psi, inH2O@4 °C, inH2O@20 °C,
inH2O@60 °F, kPa, cmH2O@4 °C,
cmH2O@20 °C, bar, mbar, kg/cm
2
, mmHg,
inHg
General Specifications
Operating temperature -10 °C to 55 °C
Storage temperature - 20 °C to 71 °C
Operating altitude 3000 meters above mean sea level
Pollution Degree 2
Relative Humidity
(% RH operating without
condensation)
90 % (10 to 30 °C)
75 % (30 to 40 °C)
45 % (40 to 50 °C)
35 % (50 to 55 °C)
uncontrolled < 10 °C
Vibration Random, 2 g, 5 to 500 Hz
Product Compliance Markings
P ( II 1 G EEx ia IIB 171 °C
0344 KEMA 04ATEX1303
) Class I Div. 1 Groups B,C, and D
LR110460 Class I Zone 0 Aex/Ex ia IIB 171 °C
2004.1573226
Ta = -10 °C… +55 °C
Manufactured by Martel Electronics, Inc.,
1F Commons Drive
Londonderry, NH, USA
EMC EN 61326-1: 1997 + A1; 1998 + A2:2000
Power requirements 4 AA alkaline batteries- See “Approved Batteries”
Size 96 x 200 x 47 mm. (3.75 x 7.9 x 1.86 in)
Weight 650 gm (1 lb, 7 oz)