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| Model 87N UltraStable 316 SS Pressure Sensor High Performance, Small Profile 0-100 mV Output Temperature Compensated Absolute and Sealed Gage Hydraulic Controls Process Control Robotics Oceanography Refrigeration/Compressors Pressure Transmitters DESCRIPTION This is a micro machined piezoresistive silicon pressure sensor. It is designed for OEM applications where compatibility with corrosive media must be maintained. The sensor chip is mounted on a TO style header, which is resistance welded to a 316 stainless steel package, sealing a small volume of silicone oil between the diaphragm and the sensor chip. The ISO pressure housing utilizes the oil column to couple the piezoresisteve sensor to the isolation diaphragm. A thickfilm ceramic compensation board with laser trimmed resistors, and additional gain set resistor to normalize pressure sensitivity are an integral part of the sensor package. A variety of threaded process fittings are available. Fittings include standards like 1/4 and 1/8 NPT as well as custom process fittings. Electrical options include cable and connector. FEATURES Weldable, Optional Process Fittings 0.25 Pressure Non-linearity 1.0% Temperature Performance 0.25 Interchangeable Span (provided by gain set resistor) Solid State Reliability 'B' DIM DIMENSIONS w/PROCESS FITTING OPTION 'A' THREAD .370/.373 [9.40/9.47] WELD RING w/BACK END OPTIONS BASIC SENSING ELEMENT DIAPHRAGM, .001 [0.03] THICK .10 [2.6] .225 [5.7] .26 [6.7] SPACER, %%c.50 [12.7] .051 [1.30] MAX .02 [0.5] EPOXY STRAIN RELIEF RIBBON CABLE, 26 AWG (CONDUCTOR #1 w/RED STRIPE) .28 [7.1] 3X .22 [5.6] Low Power STANDARD RANGES .46 [11.6] 6.00.25 [152.46.4] 4X .018 [0.46] Range 0 to 1000 0 to 3000 0 to 5000 psia psis -E .600 [15.2] CONNECTOR, FEMALE, MOLEX P/N 50-57-9406 (OR EQUIVALENT) .100 [2.54] CENTERS +O (BALL SEAL) %%C.550 MAX [%%c13.97] .09 [2.2] SQ .53 [13.4] PAD/CNDTR #1 -O (LONG PIN) %%C.545 [13.84] %%C.33 [8.3] 5X .050 [1.27] +E %%C.124 [3.15] B.C. PROCESS FITTING DIMENSIONS 'A' DIM 1/8-27 NPT COMP BOARD VIEW SHOWN w/o CABLE AND CONNECTOR FOR CLARITY 1/4-18 NPT 1/4-19 BSP 1/8-27 NPT 1/4-18 NPT 7/16-20 UNF 'B' DIM .59 [15.1] .72 [18.4] .77 [19.6] .75 [19.1] .88 [22.2] .71 [18.1] 'C' DIM 5/8 [15.9] HEX 5/8 [15.9] HEX 3/4 [19.0] HEX 7/8 [22.2] HEX 7/8 [22.2] HEX 7/8 [22.2] HEX 'C' DIM ALL DIMENSIONS ARE IN INCHES [mm]. ALL PROCESS WETTED PARTS ARE 316 SERIES STAINLESS STEEL. VIEW SHOWN w/o CABLE AND CONNECTOR FOR CLARITY 1-72 ISO - Wide Temperature Range 316 SS Pressure Sensor PERFORMANCE SPECIFICATIONS Model 87N UltraStable All parameters measured at 1.5mA drive and at 25C, after 10 second warm up, unless otherwise specified. Unless specifically indicated, only those parameters indicated as tested are verified on each part. Parameters are specified for the compensation version only. PARAMETERS Full Scale Output Span Zero Offset Pressure Non Linearity Pressure Hysteresis Input Resistance Output Resistance Temp. Error - Span Temp. Error - Zero Thermal Hysteresis - Span Thermal Hysteresis - Zero Supply Current Output Load Resistance Insulation Resistance (50 VDC) Compensation Operating Temperature Operating Temperature Range Storage Temperature Range Media - Pressure Port Media - Reference Port Weight 0.5 5 50 -20C to +85C -40C to +125C -50C to +125C Liquids and Gases compatible with 316L Stainless Steel. Liquids and Gases. Compatible with Silicon, Pyrex, Gold, Fluorosilicone Rubber and 316L Stainless Steel. 11 g 7 2000 4000 -0.75 -0.75 0.05 0.05 1.5 2.0 MIN 75 -1 -0.25 50 2750 4000 25000 +0.75 +0.75 TYP 100 0 MAX 150 1 0.25 UNITS mV mV % Span V 2 NOTES 1 % Span % Span % Span % Span mA M M 4 5 6 6 6 3 3 3 3 Notes 1. All 3000 psi and 5000 psi parts are tested at 2500 psi. 2. 3. 4. Best fit straight line. Over temperature range -20C to +85C, % span, with respect to +25C. Load resistance to reduce measurement errors due to output loading. 5. 6. 7. Between case and sensing element. Maximum temperature range for product with standard cable and connector is -20C to +105C. Weight depends upon configuration (cable, connector, pressure fitting). ORDERING INFORMATION N APPLICATION SCHEMATIC CONNECTIONS PAD NO. / CABLE 1 2 3 4 5 6 FUNCTION +OUT -EX +EX -OUT GAIN GAIN October 2001 ISO - Wide Temperature Range Feel free to contact customer service with any questions at Toll free 1(800)745-8008; Phone (757)766-1500; Fax (757)766-4297 1-73 |
Price & Availability of 87N-3000A-8L
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