Fluke 721EX-1603 Dual Sensor Pressure Calibrator
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Fluke 721EX-1603 intrinsically safe dual-sensor pressure calibrator with 0.025% accuracy and isolated stainless steel sensors for precise measurement.
Product details
| Model | 721EX-1603 |
| Manufacturer | Fluke |
| Category | Pressure Calibrators |
| Availability | Made to order |
Description
Overview
The Fluke 721EX-1603 is an intrinsically safe dual-sensor pressure calibrator designed for field and laboratory pressure measurements in hazardous environments and gas custody transfer applications. It features two isolated stainless steel sensors providing independent pressure measurement with 0.025% accuracy across different ranges.
Key Features
- Intrinsically Safe certification (IECEx and Atex Ex ia IIB T3 Gb, Zone 1)
- Two isolated stainless steel sensors with 0.025% accuracy
- Sensor 1: -14 to +16 psi with 0.001 psi resolution
- Sensor 2: -12 to +300 psi with 0.01 psi resolution
- Pressure display in 19 selectable engineering units
- Pt100 RTD temperature input for temperature measurement
- 4 to 20 mA signal measurement and internal 24V loop power supply
- Large backlit display showing up to 3 inputs simultaneously
- Store and recall up to 5 instrument configurations
- Extendable pressure range via 50 external 750 series modules (0 to 10,000 psi)
Applications
- Gas custody transfer and flow calibration
- Field pressure instrument calibration in hazardous areas
- Laboratory pressure measurement and verification
- Differential and absolute pressure testing
Specifications
| Sensor Type | Two isolated stainless steel sensors |
| Accuracy | 0.025% of full scale |
| Sensor 1 Range | -14 to +16 psi (-0.97 to 1.1 bar) |
| Sensor 2 Range | -12 to +300 psi (-0.83 to 20 bar) |
| Sensor 1 Resolution | 0.001 psi (0.0001 bar) |
| Sensor 2 Resolution | 0.01 psi (0.001 bar) |
| Temperature Input | Pt100 RTD (probe optional) |
| Signal Measurement | 4 to 20 mA |
| Voltage Measurement | Up to 30V DC |
| Loop Power Supply | Internal 24V (721 models only) |
| Display | Large backlit graphic, 3 simultaneous inputs |
| Intrinsic Safety | IECEx and Atex Ex ia IIB T3 Gb (Zone 1) |
| Engineering Units | 19 available |
| Preset Setups | Store up to 5 configurations |
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Fluke 721EX-1603 Dual Sensor Pressure Calibrator
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