You're bidding on an Omega PX-771 Differential Pressure Transmitter ! The OMEGA PX771-100DI pressure transmitter is a high performance transmitter designed to accurately measure differential pressure in the 0-17 to 0-100 psi range with a working pressure of 2000 psi. The PX771 has an adjustable range with a turn-down ratio of 6:1 and Zero and span adjustments available inside the electronic housing. It has an FM explosion-proof housing, a stainless steel diaphragm and features damping and adjustable zero suppression. Output is transmitted as a 4-20 mA or 1-5 volt signal. These transmitters were recently decommissioned from a university research lab and they are in very nice condition. They have been tested with a DMM, power supply, and air source, and the output was consistently variable to pressure applied to the ports. I did not check calibration. I have two units available and both are in the same condition. The bid is for one transmitter. I'm selling these transmitters guaranteed working and as described. Good Luck! SPECIFICATIONS Excitation: 13-36 Vdc, reverse polarity protected (16 V min with optional local >digital indicator) Output: 4-20 mA dc Accuracy: ±0.15% of calibrated span (includes linearity, hysteresis and repeatability) Response Time: 0.015 sec with damping jumper installed 10 mS with >damping jumper removed Zero Adjustment: Up to 500% suppression of lower range limit; up to 600% elevation of lower range limit Span Adjustment: 6:1 turndown Zero Suppression Effect: up to ±1% of calibrated span Stability: ±0.25% of upper range limit >per 6 months at reference conditions Operating Temperature: media -40 to 200°F (40-104°C); electronics >-25 to 185°F (32 to 85°C) Storage Temperature: -40 to 212°F Combined Thermal Effect: ±015 URL/°F (Zero and Span) Static Pressure Effect: ±0.5% URL max Maximum Static Pressure: 2000 PSI Burst Pressure: 6000 PSI Mounting Position Effect: ±1.5" H 2 0 >maximum Vibration Effect: ±1% URL for 15 to 1600 Hz at 1G in any axis with damping ON Diaphragm: 316 Stainless Steel and >buna-n O-ring Flanges and Bolts: 316 stainless steel Fill Fluid: DC 200 silicone oil Media: Liquid, gas or vapor Pressure Connection: 1/4 " NPT on flanges; 1/2 " NPT optional flanges Electrical Connections: 1/2 " NPT conduit thread Hazardous Locations: Factory mutual >(FM) approval explosion proof Class I, Div 1, Groups B, C, and D not available with option “-M” Weight: 5.5 lb PX771 Product Brochure click on the images to enlarge all pictures are of the actual items being sold Images and item descriptions are the sole property of Surenet, Incorporated. 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