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Fluke
Fluke 721 Dual Range Precision Pressure Calibrator
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Ключевые параметры
Sensor Configuration
Dual isolated stainless-steel sensors: low 16 or 36 psig + high 100…5000 psi options
Pressure Accuracy
0.025 % of full scale (typical high/low sensors; 0.035 % FS on 5000 psi)
Application
Gas custody transfer / gas flow calibration (static + differential simultaneously)
Ma Measure
0 to 24 mA; ±0.015% of rdg ±0.002 mA
Vdc Measure
0 to 30 VDC; ±0.015% of rdg ±0.002 V (721 models)
Loop Power
Internal 24 V loop supply (721 models)
| Параметр | Значение |
|---|---|
| Sensor Configuration | Dual isolated stainless-steel sensors: low 16 or 36 psig + high 100…5000 psi options |
| Pressure Accuracy | 0.025 % of full scale (typical high/low sensors; 0.035 % FS on 5000 psi) |
| Application | Gas custody transfer / gas flow calibration (static + differential simultaneously) |
| Ma Measure | 0 to 24 mA; ±0.015% of rdg ±0.002 mA |
| Vdc Measure | 0 to 30 VDC; ±0.015% of rdg ±0.002 V (721 models) |
| Loop Power | Internal 24 V loop supply (721 models) |
| Temperature Input | Pt100 RTD input −40 to 150 °C (optional 720RTD probe) |
| Engineering Units | 19 pressure units selectable |
| External Modules | 750P Series modules 0–1 inH2O to 10,000 psi (721 models) |
| Operating Temperature | −10 °C to +50 °C (721); −10 °C to +45 °C (721Ex) |
| Protection Rating | IP-40 |
| Size Weight | 7.9 × 4.3 × 2.3 in (20 × 11 × 5.8 cm); ~1 lb 3 oz |
| Power | 4× AA; >35 hours typical |
| Family | Fluke 721 / 721Ex Precision Pressure Calibrators |