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Data Sheet (PDF)
The PX835 explosion proof / flame proof pressure transmitter is ideal for a broad spectrum of pressure sensing requirements, requiring hazardous location approvals for explosion proof, flame proof or intrinsically safe. The PX835 is designed with an all welded stainless steel case and manufactured to provide the user with accurate, reliable, and stable output data. This is accomplished through the use of state of the art sensor technology combined with digital calibration to provide extremely linear and precise performance over the entire specified pressure and temperature range.SPECIFICATIONSOutput: 4 to 20 mAdc (2-wire)Supply Voltage: 12 to 32 Vdc Vmin = 12 V + (0.022A x loop res)Insulation Resistance (Circuit to Case): 100M Ω @ 30 VdcCircuit Protection: Reverse polarity and mis-wire protectedAccuracy: ±0.5% TP; ±0.40% BFSL includes non-linearity, hysteresis and non-repeatability, zero offset and span setting errors (add 0.05% for ranges above 5000 psi)Stability: ≤±0.25% span/year @ ref conditions (21°C/70°F)Response Time: 2 msStorage/Process/Operating Temperature: -40 to 125°C (-40 to 257°F)Compensated Temperature: -20 to 85°C (-4 to 185°F)Temperature Effects (Over Comp Range): 2% spanHumidity Effects: No performance effects 0 to 95% RH, non-condensingVibration: Shock: 100 g peak, 11 ms Random: 10 g RMS, 20 to 2000 Hz Sweep: 50 to 2000 Hz, 5 g peakPosition Effect: ±0.02% typicalElectrical Termination: ½ NPT male conduit fitting and 4.6 m (15') cable with flying lead terminationPressure Connection: ¼ NPT maleEnvironmental Rating: NEMA 7, 9 (IP65)Hazardous Area Certifications: Explosion Proof - cUL (USA/CNL): Specify PX835; Class I, Div 1 & 2, Groups A, B, C, and D; Class II, Div 1 & 2, Groups E, F, and G Flame Proof - ATEX: Specify PX835 II 2 G; Ex d IIC T4 Intrinsically Safe - FM/CSA: Class I, Div 1; Class I, Div 2, non-incendive CE Compliance: EN 61326: 1997 + A1: 1998 Annex A, A2/2001 Heavy Industrial Immunity (Annex A table A.1); Light Industrial/Residential Emission (Table 4)Wetted Parts: 316SS diaphragm and pressure portCase: 304 SSCable Gland: Fits cable diameter 9 to 12 mm (0.35 to 0.47")Weight: Approximately 254 g (8 oz)