Noshok 755 Series Digital Pressure Transmitters
| SPECIFICATIONS | |
| Output | 4 mA to 20 mA, 2-wire |
| Accuracy | ±0.05% full scale (BFSL); ±0.15% full scale for 0 psig to 15,000 psig range; (Includes the effects of non-linearity, hysteresis,non-repeatability, zero point and full scale errors) |
| Total accuracy | ± 0.05 % full scale (BFSL) including the effects of linearity, hysteresis, repeatability and thermal effects from 50 °F to 104 °F; ±0.15 % full scale for 0 psig to 15,000 psig |
| Hysteresis | ≤ ± 0.04% full scale |
| Repeatability | ≤ ± 0.05% full scale |
| Stability | ≤ ± 0.1% full scale for 1 year non-accumulating |
| Pressure ranges | Standard ranges from vacuum through 15,000 psig |
| Proof pressure | 5 times full scale for ranges 0 psi to 5 psi through 0 psi to 250 psi 2 times full scale for ranges 0 psi to 500 psi through 0 psi to 7,500 psi 1.5 times full scale for 0 psi to 15,000 psi range *Proof pressure is based on full scale range prior to turndown |
| Burst pressure | 6 times full scale for ranges 0 psi to 5 psi through 0 psi to 250 psi 4 times full scale for ranges 0 psi to 500 psi through 0 psi to 7500 psi 3 times full scale for 0 psi to 15,000 psi range *Burst pressure is based on full scale range prior to turndown |
| Power supply* | 12 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire) |
| Load limitations | ≤ (VPower - 10)/0.020 Amp |
| Zero adjustability | From -2.5% full scale up to 99% full scale |
| Span adjustability | 20:1 turndown for ranges up through 0 psig to 15,000 psig |
| Turn down effect on accuracy | Tum down up to 5:1, no effect on accuracy Tum down greater than 5:1, accuracy x turndown/5 |
| Response time | < 10 ms (between 10% and 90% full scale) |
| Durability | > 100,000,000 full scale cycles |
| Digital filtering | User selectable from 0 sec. to 40 sec. for display and output signal |
| Temperature ranges | Compensated -4 °F to 176 °F (-20 °C to 80 °C) Zero effect is ± 0.01 % full scale/ °F Span effect is ± 0.01 % full scale/ °F Ambient -4 °F to 158 °F (-20 °C to 70 °C) Media -22 °F to 221 °F (-30 °C to 105 °C) Storage -31 °F to 176 °F (-35 °C to 80 °C) |
| Wetted materials | 316 stainless steel (ranges up through 0 psig to 250 psig) 316 stainless steel with 17-4PH stainless steel diaphragm (ranges 0 psig to 500 psig and higher) |
| Housing material | Fiberglass reinforced PBT (polybutene terephthlate) |
| Environmental rating | IP65, NEMA 4X according to EN 60529/IEC529 |
| Electromagnetic rating | 2004/108/EEC, EN 61326 Emission (Group 1, Class B) and Immunity (industrial locations) |
| Electrical rating | Reverse polarity, over-voltage and short circuit protection |
| Shock | 100 g's according to IEC 770 for mechanical shock |
| Vibration | 5 g's according to IEC 770 under resonance conditions |
| Weight | Approximately 24 oz. |
- Combines the reliability of diffused semi-conductor and sputtered thin film sensors with digital electronics for outstanding performance and value
- Accuracy up to ±0.05% full scale (BFSL)
- Up to 20:1 span turn down and -2.5% to 99% zero point adjustment for maximum flexibility
- Built-in process temperature display & selectable process digital filtering
- Welded 316 stainless steel pressure chamber
- 32 point process linearization
- Adjustable display for easy viewing
- 12 different measurement units
- User programming includes menus to allow the setting of user language, engineering units, zero and span calibration points and digital filtering to dampen pressure fluctuations
- Stainless steel wetted parts are welded with no internal o-rings, gaskets or seals
- CE compliant to suppress RFI, EMI and ESD
| SERIES | 755 | Stainless steel | ||||||
| PRESSURE RANGES |
5 | 0 psig to 5 psig | 250 | 0 psig to 250 psig | 3000 | 0 psig to 3,000 psig | 5A | 0 psia to 5 psia |
| 25 | 0 psig to 25 psig | 500 | 0 psig to 500 psig | 7500 | 0 psig to 7,500 psig | 25A | 0 psia to 25 psia | |
| 100 | 0 psig to 100 psig | 1500 | 0 psig to 1,500 psig | 15000 | 0 psig to 15,000 psig | 100A | 0 psia to 100 psia | |
| 250A | 0 psia to 250 psia | |||||||
| psig = gauge pressure psia = absolute pressure | ||||||||
| ACCURACY | 1 | ± 0.05 % full scale (BFSL) | ||||||
| OUTPUT SIGNAL | 1 | 4 mA to 20 mA, 2-wire | ||||||
| PROCESS CONNECTIONS | 2 | 1/4" NPT male | ||||||
| 8 | 1/2" NPT male | |||||||
| ELECTRICAL CONNECTION | 24 | Cable gland M20x1.5 with internal terminal block, accepts cable diameter from 0.25" to 0.5" | ||||||
| OPTION | ORF | Threaded Orifice | ||||||
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