Fluke 721Ex - Precision Pressure Calibrator (Zone 1)
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Fluke 721Ex - Precision Pressure Calibrator (Zone 1)
Pressure Calibration and Temperature Measurement for Custody Transfer Applications
The ideal tool for gas custody transfer applications in potentially explosive atmospheres is the Fluke 721Ex Precision Pressure Calibrator. With dual isolated pressure sensors, it allows you to take simultaneous static and differential pressure measurements with a single tool.
Features:
The 721Ex can be configured by selecting either a 16 PSI (1.1 bar) or 36 psi (2.48 bar) low pressure sensor then add any of 7 high pressure ranges including 100, 300, 500, 1000, 1500, 3000 or 5000 psi (6.9, 20, 24.5, 69, 103.4, 200, 345 bar).
*Intrinsically Safe – IECEx and Atex Ex ia IIB T3 Gb (Zone 1) rated
*Ideal for gas flow calibration (custody transfer) applications
*Two isolated, stainless steel, pressure sensors with 0.025 % accuracy
*Pt100 RTD input for temperature measurement, (probe optional)
*Switch test on both pressure inputs
*Pressure displayed in the user’s choice of 19 engineering units
*Large backlit graphic display can display up to three inputs simultaneously
*Store five instrument setups for recall and use
Fluke-721Ex-1601 | Range | Resolution | Accuracy |
Low pressure sensor | |||
-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 psi to +100 psi, -0.83 bar to 6.9 bar |
0.01 psi, 0.0001 bar |
0.025% of full scale | |
Fluke-721Ex-1603 | Low pressure sensor | ||
-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 psi to +300 psi, -0.83 bar to 20 bar |
0.01 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-1605 | Low pressure sensor | ||
-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 psi to +500 psi, -0.83 bar to 34.5 bar |
0.01 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-1610 | Low pressure sensor | ||
0 psi to +1000 psi, 0.00 bar to 69 bar |
0.1 psi, 0.001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 psi to +500 psi, -0.83 bar to 34.5 bar |
0.01 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-1615 | Range | Resolution | Accuracy |
Low pressure sensor | |||
-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +1500 psi, 0.00 bar to 103.4 bar |
0.1 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-1630 | Low pressure sensor | ||
-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +3000 psi, 0.00 bar to 200 bar |
0.1 psi, 0.01 bar |
0.025% of full scale | |
Fluke-721Ex-1650 | Low pressure sensor | ||
-14 psi to +16 psi, -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +5000 psi, 0.00 bar to 345 bar |
0.1 psi, 0.01 bar |
0.035% of full scale | |
Fluke-721Ex-3601 | Range | Resolution | Accuracy |
Low pressure sensor | |||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 to +100 psi, -0.83 bar to 6.9 bar |
.01 psi, 0.0001 bar |
0.025% of full scale | |
Fluke-721Ex-3603 | Low pressure sensor | ||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 psi to +300 psi, -0.83 bar to 20 bar |
0.01 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-3605 | Low pressure sensor | ||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
-12 psi to +500 psi, -0.83 bar to 34.5 bar |
0.01 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-3610 | Range | Resolution | Accuracy |
Low pressure sensor | |||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +1000 psi, 0.00 bar to 69 bar |
0.1 psi, 0.001 bar |
0.025% of full scale | |
Fluke-721Ex-3615 | Low pressure sensor | ||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +1500 psi, 0.00 bar to 103.4 bar |
0.1 psi, 0.01 bar |
0.025% of full scale | |
Fluke-721Ex-3630 | Low pressure sensor | ||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +3000 psi, 0.00 bar to 200 bar |
0.1 psi, 0.01 bar |
0.025% of full scale | |
Fluke-721Ex-3650 | Low pressure sensor | ||
-14 psi to +36 psi, -0.97 bar to 2.48 bar |
0.001 psi, 0.0001 bar |
0.025% of full scale | |
High pressure sensor | |||
0 psi to +5000 psi, 0.00 bar to 345 bar |
0.1 psi, 0.01 bar |
0.035% of full scale | |
General Specifications | |||
Instrument setup recall | Last used on power-up | ||
Environmental | Operating temperature -10°C to +45°C Storage temperature (without batteries) -20°C to +60°C |
||
Altitude | 2,000 m | ||
Ingress protection | IP-40 | ||
Power requirements | 6.0 V DC | ||
Battery life | >35 hours, typical usage | ||
Batteries required | (4) Standard AA cells | ||
Dimensions (H x W x D) | 7.9 x 4.3 x 2.3 in (20 x 11 x 5.8 cm) | ||
Weight | 03539 kg (1 lb 3 oz) | ||
Connectors/ports pressure | Two, 1/8 in NPT, 700P Series Pressure Module; RTD Probe | ||
Electrical and Temperature Measurement 1-Year | |||
Function | Range | Resolution | Accuracy |
mA measure | 0 to 24 mA | 0.001 mA | ±0.015% of rdg ±0.002mA |
Temperature Effect | |||
No effect on accuracy on all functions from 15°C to 35°C | |||
Add ±0.002% F.S./°C for temps outside of 15°C to 35°C | |||
Available Pressure Engineering Units | |||
psi, bar, mbar, kPa, kgcm2, cmH2O @ 4°C, cmH2O @ 20°C, mH2O @ 4°C, mH2O @ 20°C, inH2O @ 4°C, inH2O @ 20°C, inH2O @ 60°F, mmHg @ 0°C, inHg @ 0°C, ftH2O @ 4°C, ftH2O @ 20°C, ftH2O @ 60°F | |||
721Ex Approval Details | |||
ATEX | Ex ia IIB T3 Gb (Ta= -10… +45 °C) | ||
KEMA 10 ATEX 0168X | |||
IECEx | Ex ia IIB T3 Gb (Ta= -10…+45 °C) | ||
II 2 G IECEx CSA 10.0013X |
Downloads
Fluke_721_and_721Ex_datasheet-Comm-Co(ENG).pdf
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