AMETEK pressure transmitter Model 742
| Description Model 742 Pressure Transducer (General Information): The 742 Pressure Transducer has been specially designed to meet the needs of military and/or marine applications and conforms to military specification MIL-T-24742 (SH). The 742 accurately measures pressure and transmits a fully adjustable 4 to 20 mA or 0-5 VDC output signal for remote display, recording, or control. Model 742R Gage Pressure Version: The 742R is available in gauge, compound, vacuum and absolute ranges from 30”Hg vacuum to 0-10,000 psi. Model 742D Differential Pressure Version: The 742D is available in differential ranges from 10 inches of water to 600 psi. Direct Replacement The 742D transducer is directly interchangeable with existing pressure transducers designed to MIL-T-24742. The mounting is designed to match the footprint of existing transducers for quick and easy installation. Minimal Maintenance Calibration is quick and easy with the non-interacting zero and span adjustments. |
Specifications
| Functional Specifications | in accordance with MIL-T-24742 (SH) |
| Applications | steam, sea water, fl ue gas, ammonia, oxygen, other gases, fresh water, condensate, nitrogen, inert gases and liquid hydrocarbons |
| Output | 4-20 mADC, 0-5 VDC |
| Power Supply | 28 VDC ±4.5 VDC with reverse polarity protection |
| Loop Resistance | 0 to 250 ohms |
| Zero/Span Adjustments | ±5% full scale output |
| Temperature Limits | Compensated: 0°C to 65°C (32°F to 149°F) |
| Overpressure | 200% of range or maximum rated line pressure (whichever is greater) |
| Humidity | 0 to 100% RH |
| Volumetric Displacement | less than 0.002 cc |
| Weight | 18 oz. (0.51 kg) |
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