721Ex
Pressure calibration and temperature measurement for custody transfer applications
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721Ex
Precision Pressure Calibrator
Zone 1
ATEX
IECEx
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).
Product Description
Pressure calibration and temperature measurement for custody transfer applications
The Fluke 721Ex Precision Pressure Calibrator with dual isolated pressure sensors are the ideal tool for gas custody transfer applications allowing you to take simultaneous static and differential pressure measurements with a single tool.
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Features
- Two isolated, stainless steel, pressure sensors with 0.025 % accuracy
- Pressure displayed in the user's choice of 19 engineering units
- Pt100 RTD input for temperature measurement, (probe optional)
- Store five instrument setups for recall and use
Technical Data
| Instrument setup recall | Last used on power-up |
| Operating temperature | -10 °C to +45 °C |
| Storage temperature (without batteries) | -20 °C to +60 °C |
| Altitude | 2,000 meters |
| Ingress protection | IP-40 |
| Power requirements | 6.0 v dc |
| Battery life | >35 hours, typical usage |
| Batteries required | (4) Standard AA cells |
| Dimentions (HxWxD) | 7.9" X 4.3" X 2.3" (20 cm X 11 cm X 5.8 cm) |
| Weight | 0.539 kg (1 lb 3 oz) |
| Connectors/ports pressure | Two, 1/8 in NPT, 750P Series Pressure Module (721 models only); RTD Probe |
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II 2G Ex ia IIB T3 Gb
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Scope of Delivery
- Precision Pressure Calibrator 721Ex
- Soft case
- Four (4) AA batteries
- Manual
- Traceable calibration certificate
- Test leads
