Inquiry (采购产品): Frederick County To: Estimating From: Lee Bopst – Interface, Inc Subject: City of Frederick – Ballenger Creek. Would you please provide us with pricing and delivery information on Rosemount units based on the following spec’s? Additionally, would you please e-mail me specification summary sheet for the transmitters? Pressure Indicator/Transmitter 1. Pressure Transmitter shall be housed in a NEMA 6 rated housing and shall have a 5-digit, 2 line LCD digital indicator with threaded direct mount process connection. Provide ? turn ball valve or stop-lock for isolation valve for process connection. 2. Pressure transmitter shall be a loop powered, two-wire 4-20 mA signal device, user-selectable, for linear or square root output. Pressure transmitter shall be 10.5-55 VDC with an operating temperature of -40 to +185 degrees F. 3. Pressure transmitter wetted material shall be composed of 316 stainless steel. Transmitter shall have accuracy of .75%. Pressure transmitter shall be a Model 3051T gage and absolute pressure transmitter as manufactured by Rosemount. 4. Contractor shall provide services from manufacturers authorized field representative for installation inspection, calibration, certifications and start-up. Please let me know if you have any questions on the above. Thanks, Lee Bopst **** Hidden Message ***** Lee Bopst 752 Ardenwood Drive Eldersburg, MD 21784 USA Company: INTERFACE, INC Title: Sales Phone: 410 795 6795 Fax: 410 549 3703 E-mail: lbopst@aol.com **** Hidden Message ***** lbopst@aol.com
