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China, Chinese Mn Melt Pressure Transducer Pressure Sensor Transmitters for Plastic Extruder Machine1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
SensorPressure SensorMelt Pressure SensorPressure Transducer
GPM Machinery (Shanghai) Co., Ltd.
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Product Description Melt Pressure TransmittersMN SeriesThe MN series are pressure transmitters for using in High temperature environment. The main characteristic of this series is the capability to read temperature of the media up to 400°C. The constructive principle is based on the hydraulic trasmission of the pressure. The fluid-filled system assures the temperature stability. The phisical measure is transformed in a electrical measure by means the strain-gauge technology.Product detailsMAIN FEATURES? Pressure ranges from: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi? Accuracy: <±0.25% FSO (H); <±0.5% FSO (M)? Fluid-filled system for temperature stability? Mercury filling volume: MN0 (30mm3 ); MN1, MN2, MN3 (40mm3 )? 1/2-20UNF, M18x1.5 standard threads; other types available on request? Other diaphragms available on request? Autozero function on board / external option? Drift Autocompensation function (SP version)? Standard diaphragm is 15-5 PH stainless steel with GTP coating? 17-7 PH corrugated diaphragm with GTP coating for ranges below 100 bar-1500 psiGTP (advanced protection): Coating with high resistance against corrosion, abrasion and high temperatureAUTOZERO FUNCTIONAll signal variations in the absence of pressure can be eliminated by using the Autozero function.This function is activated by closing a magnetic contact located on the transmitter housing.The procedure is permitted only with pressure at zero.AUTOCOMPENSATES INFLUENCE OF MELT TEMPERATUREThanks to internal self-compensation, the MSP series transmitter cancels the effect of pressure signal variation caused by variation of Melt temperature.This reduces at the minimum the read error caused by heating of the filling fluid (typical of all sensors built with "filled" technology).SpecificationsAccuracy (1)H <±0.25%FSO (100...2000 bar)M <±0.5%FSO (35...2000 bar)ResolutionInfiniteMeasurement range0..35 to 0..2000bar0..500 to 0..30000psiMaximum overpressure(without degrading performances)2 x FS1.5 x FS above1000bar/15000psiMeasurement principleExtensimetricPower supply15...30Vdc N, C10...30Vdc B, M-15...+15Vdc H, LMaximum current absorption25mAIsolation resistance (at 50Vdc)>1000 MOhmOutput signal Full Scale (FSO)5Vdc (M, H) - 10Vdc (N, L)5,1Vdc (B) - 10,1Vdc (C)Zero balance(tollerance ± 0.25% FSO)0Vdc (M, N, H, L)0.1Vdc (B, C)Zero signals adjustment(tollerance ± 0.25% FSO)"Autozero" functionSpan adjustment within ± 5% FSOSee ManualMaximum allowed loadMaximum allowed loadResponse time (10...90% FSO)~ 1msOutput noise (RMS 10-400Hz)< 0.025% FSOCalibration signal80% FSOOutput short circuit ingress and reverse polarity protectionYESCompensated temperature range0...+85°COperating temperature range-30...+105°CStorage temperature range-40...+125°CThermal drift in compensated range: Zero / Calibration / Sensibility< 0.02% FSO/°CDiaphragm maximum temperature400°C / 750°FZero drift due to change in process temperature (zero)0.02 bar/°CZero drift temperature for Autocompensated version (SP)within the temperature range 20°C-400°C inclusive the drift temperature of the housing< 0.003 bar/°C 100 ≤ p < 500 bar0.0014 %FS/°C p ≥ 500 barStandard material in contact with process mediumDiaphragm:? 15-5 PH with GTP coating? 17-7 PH corrugated diaphragm with GTP coating for ranges <100 bar (1500psi)Stem:? 17-4 PHThermocouple (model MN2)STD : type "J" (isolated junction)Protection degree (6-pole female connect)IP65FSO = Full Scale Output(1) BFSL method (Best Fit Straight Line): includes combined effects of Non-Linearity, Hysteresis and Repeatability
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