Descripción
Fluke 721EX-3650 – Dual Sensor Pressure Calibrator 36 PSIG, 5000 PSIG
- 721EX-3650 Dual Sensor Pressure Calibrator 36 PSIG, 5000 PSIG
- .025%/.035% accuracy
- Intrinsically Safe (721Ex version only) – IECEx and Atex Ex ia IIB T3 Gb (Zone 1)
- Ideal for gas flow calibration (custody transfer) applications
- Two isolated, stainless steel, pressure sensors with 0.025 % accuracy
- Switch test on both pressure inputs
The Fluke 721EX-3650 is an intrinsically safe dual sensor precision pressure calibrator with a range of -14 to 36 psi/0 to 5000 psi and .025%/.035% accuracy. With dual isolated pressure sensors you can simultaneously take static and differential pressure measurements with a single tool. Add the optional RTD probe and you have the complete solution for testing flow computers and instruments used in gas flow measurement.
Fluke 721Ex Precision Pressure Calibrator
The ideal gas custody transfer calibrator for intrinsically safe environments.
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The accuracy and capabilities of the Fluke 721 Dual Range Pressure Calibrator have made it ideal for gas custody transfer. The new 721Ex, with IECEx and Atex Ex ia IIB T3 Gb (Zone 1) ratings, builds on this same platform and is designed for use in classified environments. The 721Ex is available in the same 14 model ranges, and can be configured by selecting either a 16 PSI (1.1 bar) or 36 psi (2.48 bar) low pressure sensor and then adding your choice 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). The 721Ex Retains ability to use 720RTD probe for temperature measurement and ships with soft case with storage for an RTD probe.
Product Elevator Pitch
The new 721Exline of products are ideal for gas custody transfer measurements in classified areas with ranges, accuracies and capabilities specifically tailored to address gas flow computers.With IECEx and Atex Ex ia IIB T3 Gb (Zone 1) ratings the 721Ex eliminates the need to declassify work areas, and allows you to perform gas custody transfer measurements without hot work permits. Add the optional RTD probe for a complete solution for testing flow computers and instruments used in gas flow measurement.
721Ex Precision Pressure Calibrators Features / Benefits
- Two isolated, stainless steel, pressure sensors with 0.025% F.S. accuracy eliminating the need to carry more than one tool for calibrating flow computers
- Pt100 RTD input for temperature measurement, accurate to 0.1°C (0.2°F) allowing you to measure temperature without a separate thermometer (requires 720RTD probe sold separately)
- 14 available pressure range configurations standard
- Temperature-compensation ensures accuracy in field applications
- Large graphic style LCD with backlight can be configured to display up to 3 inputs simultaneously
- (i.e. pressure 1, pressure 2, and RTD)
- Ideal for gas flow calibration (custody transfer) applications
- Pressure displayed in the user’s choice of 19 engineering units
- Switch test on both Pressure inputs
- Operating mode layers support simple measurements to complex applications
- Up to five frequently used setups can be stored; last setup automatically recalled on power-up
- % Error and damping functions
Manufacturer Specs
| Low pressure sensor | High pressure sensor | ||||||
| Model | Description | Range sensor 1 | Resolution sensor 1 | Accuracy sensor 1 | Range sensor 2 | Resolution sensor 2 | Accuracy sensor 2 |
| Fluke-721Ex-1601 | Dual Sensor Pressure Calibrator, 16 PSIG, 100 PSIG | -14 psi to +16 psi -0.97 bar to 1.1 bar |
0.001 psi, 0.0001 bar |
0.025 % of full scale | -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 | Dual Sensor Pressure Calibrator, 16 PSIG, 300 PSIG | -12 psi to +300 psi -0.83 bar to 20 bar |
0.01 psi 0.001 bar |
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| Fluke-721Ex-1605 | Dual Sensor Pressure Calibrator, 16 PSIG, 500 PSIG | -12 psi to +500 psi -0.83 bar to 34.5 bar |
0.01 psi 0.001 bar |
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| Fluke-721Ex-1610 | Dual Sensor Pressure Calibrator, 16 PSIG, 1000 PSIG | 0 psi to +1000 psi 0.00 bar to 69 bar |
0.1 psi 0.001 bar |
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| Fluke-721Ex-1615 | Dual Sensor Pressure Calibrator, 16 PSIG, 1500 PSIG | 0 psi to +1500 psi 0.00 bar to 103.4 bar |
0.1 psi 0.001 bar |
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| Fluke-721Ex-1630 | Dual Sensor Pressure Calibrator, 16 PSIG, 3000 PSIG | 0 psi to +3000 psi 0.00 bar to 200 bar |
0.1 psi 0.01 bar |
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| Fluke-721Ex-1650 | Dual Sensor Pressure Calibrator, 16 PSIG, 5000 PSIG | 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 | Dual Sensor Pressure Calibrator, 36 PSIG, 100 PSIG | -14 psi to +36 psi -0.97 bar to 2.48 bar |
-12 to +100 psi -0.83 bar to 6.9 bar |
.01 psi 0.0001 bar |
0.025 % of full scale | ||
| Fluke-721Ex-3603 | Dual Sensor Pressure Calibrator, 36 PSIG, 300 PSIG | -12 psi to +300 psi -0.83 bar to 20 bar |
0.01 psi 0.001 bar |
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| Fluke-721Ex-3605 | Dual Sensor Pressure Calibrator, 36 PSIG, 500 PSIG | -12 psi to +500 psi -0.83 bar to 34.5 bar |
0.01 psi 0.001 bar |
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| Fluke-721Ex-3610 | Dual Sensor Pressure Calibrator, 36 PSIG, 1000 PSIG | 0 psi to +1000 psi 0.00 bar to 69 bar |
0.1 psi 0.001 bar |
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| Fluke-721Ex-3615 | Dual Sensor Pressure Calibrator, 36 PSIG, 1500 PSIG | 0 psi to +1500 psi 0.00 bar to 103.4 bar |
0.1 psi 0.01 bar |
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| Fluke-721Ex-3630 | Dual Sensor Pressure Calibrator, 36 PSIG, 3000 PSIG | 0 psi to +3000 psi 0.00 bar to 200 bar |
0.1 psi 0.01 bar |
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| Fluke-721Ex-3650 | Dual Sensor Pressure Calibrator, 36 PSIG, 5000 PSIG | 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 +50 °C Storage temperature (without batteries) -20 °C to +60 °C |
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| 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 | 03539 kg (1 lb 3 oz) | ||||||
| Connectors/ports pressure | Two, 1/8 in NPT, 700P Series Pressure Module; RTD Probe |
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| 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 |
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| VDC measure | 0 to 30 VDC | 0.001V | ±0.015% of rdg ±0.002V |
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| *Temperature measure (RTD/Ohms) | -40 °C to 150 °C (-40 °F to 302 °F) |
0.01 °C, 0.01 °F | ±0.015% of rdg ±0.02 ohms; ±0.1°C (±0.2°F) ±0.25 °C (±0.45 °F) combined uncertainty when using 720 RTD probe accessory |
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| Loop power supply | 24V | N/A | 24 mA @ 24V | ||||
| *Temperature measurement requires optional Fluke-720RTD Pt-100 RTD probe available as an accessory | |||||||
| 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 | |||||||
| 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 | |||||||
| User selectable pressure engineering units | |||||||
| psi, bar, mbar, kPa, kgcm 2 , 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 |
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Tech Specs
Test Equipment General Attributes |
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| ECCN Number | EAR99 |
| Country of Origin | China |
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