Explosion-proof
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The calibratable pressure sensors PREMASGARD~ 1115 with eight switchable measuring ranges and optional display, serve to measure over-, under- or differential pressure in air. The pi~zoresistive measuring element is temperature-compensated and guarantees high reliability and accuracy. The pressure transmitter features a push button for manual zeroing and an adjustable offset. It is used, among other things, in clean rooms, medical, and filter technology, air ducts, spray booths and commercial kitchens, for filter monitoring and full-scale measurement or for controlling frequency converters. The measuring medium is air (non-condensing) or gaseous, non-aggressive, non-flammable media. The differential pressure sensor includes connection set ASD-06 (2 m connecting hose, two pressure connection nipples, screws).
| Voltage supply | 15...36 V DC depending on working resistance, residual ripple stabilized ± 0.3 V |
|---|---|
| Power consumption | < 1 W at 24 V DC; < 2 VA at 24 V AC |
| Working resistance | Ra (ohm) = (Ub -14 V)/ 0.02 A for I variant |
| Output | 4...20 mA |
| Output signal | 4...20 mA |
| Measuring function | Differential pressure, volume flow (square root output signal) |
| Measuring ranges | multi-range switching with 8 switchable measuring ranges |
| Media temperature | -20...+50°C |
| Pressure connection | 4/ 6 x 11 mm (hoses Ø = 4/ 6 mm), metal pressure connection nozzles |
| Type of pressure | differential pressure |
| Accuracy | (5000 Pa): ± typically 50 Pa compared to the calibrated reference device |
| Zero point offset | ± 5 % of final value |
| Above- ⁄ below-pressure | max. 5 x pressure range |
| Medium | clean air and non-aggressive, non-combustible gases |
| Signal filtering | switchable 1 s/ 10 s |
| Electrical connection | 2- or 3-wire connection 0.14 - 1.5 mm² via terminal screws |
| Cable connection | cable gland, plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter 10.4 mm) or M12 connector according to DIN EN 61076-2-101 (optional on request) |
| Housing | plastic, UV-stabilized, material polyamide, 30 % glass-globe reinforced, with quick-locking screws (slotted/ Phillips head - combination), color traffic white (similar to RAL 9016) |
| Housing dimensions | 72 x 64 x 37.8 mm (Tyr 1) |
| Cable gland | M 16 x 1.5, including strain relief, exchangeable, max. inner diameter 10.4 mm |
| Long-term stability | ± 1 %/ year |
| Hysteresis | 0.3 % of final value |
| Media contacting parts | ms, Ni, Nylon, PU, Si, PVC with plasticisers |
| Temperature drift values | ± 0.1 % of final value/ °C |
| Linearity | < ± 1 % of final value |
| Air humidity | < 95 % r. H., non-precipitating air |
| Protection class | III (according to EN 60 730) |
| Protection type | IP 65 (according to EN 60 529) |
| Standards | CE conformity, electromagnetic compatibility according to EN 61326, according to EMC Directive 2014/ 30/ EU |
