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Summary of Contents for Sensotec U3W
- Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Visit our website - Click HERE...
- Page 2 MODEL U3W UNIVERSAL IN-LINE TRANSDUCER AMPLIFIER 3-WIRE CURRENT OUTPUT 2080 Arlingate Lane, Columbus, Ohio 43228 • (614) 850-5000...
- Page 3 Sensotec, Inc. 2080 Arlingate Lane Columbus, Ohio 43228 Copyright 1995 by Sensotec, Inc. all rights reserved Telephone: (614) 850-5000 FAX: (614) 850-1111 Toll Free: 1-800-848-6564 E-mail: service@sensotec.com WWW: http://www.sensotec.com Model U3W, Universal In-line Transducer Amplifier (3-wire current output) Document Part Number: 008-0297-00 Rev.
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Page 4: Table Of Contents
TABLE OF CONTENTS Chapter 1 INTRODUCTION 1.1 Overview......1-1 1.2 Specifications ......1-2 1.3 Layout. -
Page 6: Overview
Sensotec’s Universal In-Line Amplifiers are housed in a small plastic package, which is connected between the transducer and a readout instrument. The Model U3W amplifier supplies a highly regulated bridge excitation volt- age for the transducer and converts the millivolt signal of the transducer to a 4-20mA signal. -
Page 7: Specifications
Switch selectable (0.5 to 6.6 mV/V), +/- 25% fine adjust Short Circuit Protection: (+)Output to (-)Common Environment Protection: IP-66 or NEMA4 Shunt Calibration: Solid-state relay Long Term Zero Drift: .1% of Full Scale per 6 months page 1-2 Model U3W Universal In-Line Amplifier... -
Page 8: Layout
1.3 Layout Figure 1-1: Layout of Model U3W In-Line Amplifier 008-0297-00 page 1-3... - Page 9 1-4 Model U3W Universal In-Line Amplifier...
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Page 10: Installation / Setup
Chapter 2 INSTALLATION / SETUP 2.1 Wiring The Model U3W Universal In-Line Amplifier (Sensotec p/n 060-6827-03) can be powered from a 18 to 32 volt single voltage supply. The following diagrams show the wiring to the supply and readout. Cables should be stripped back 3 inches with the wires stripped and tinned 1/2 inch. - Page 11 Figure 2-2: Model U3W Universal In-Line Wiring NOTE: Do not connect anything to pin 2. page 2-2 Model U3W Universal In-Line Amplifier...
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Page 12: Setup
2.2 Setup Use the following procedure for setting up the excitation and the coarse gain: 1. Determine the EXCITATION VOLTAGE required by the transducer being used. 2. Set the EXCITATION SELECT JUMPER as shown below: (See Fig.1-1 for location of jumpers). 3. - Page 13 5, 6, 8 1.75 mV/V 2.9 mV/V 2.0 mV/V 3.3 mV/V 6, 7 2.25 mV/V 3.75 mV/V 2.5 mV/V 4.1 mV/V 3.0 mV/V 5.0 mV/V 3.5 mV/V 5.8 mV/V 4.0 mV/V 6.6 mV/V page 2-4 Model U3W Universal In-Line Amplifier...
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Page 14: Panel Mounting Template
2.3 Panel Mounting Template The Universal In-Line Amplifier can be easily mounted to a panel by using the template below for marking the holes in the panel. The cover must be removed to get access to the mounting holes. Use # 6 or # 8 screws for mounting box to panel. - Page 15 2-6 Model U3W Universal In-Line Amplifier...
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Page 16: Calibration
Step 4. Re-check zero and full scale (repeat steps 2 & 3.2 Using Shunt Calibration Sensotec transducers feature a calibration technique called shunt calibration. This method applies a known resistance across one leg of the transducer, which simu- lates an output as if a load or pressure was applied to the transducer. - Page 17 = _____________ Step 1. Apply power and allow the amplifier to warm up. Step 2. With zero load or pressure on the transducer, adjust the ZERO potentiometer to indicate zero on the readout instrument. page 3-2 Model U3W Universal In-Line Amplifier...
- Page 18 Step 3. Connect a jumper across PINS 5 & 6 of the power terminals (See Fig. 1-1) or wire in a switch as shown in wiring section. Adjust the SPAN potentiometer to the calculated current or calculated units on the readout instrument.
- Page 19 3-4 Model U3W Universal In-Line Amplifier...
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Page 20: Warranty / Repair Policy
Any of our products which, under normal operating conditions, proves defective in material in workmanship within one year from the date of shipment by SENSOTEC, will be repaired or replaced free of charge provided that you obtain a return material authorization from SENSO-... -
Page 21: Non-Warranty Service
4.4 Repair Warranty All repairs of SENSOTEC products are warranted for a period of 90 days from date of shipment. This warranty applies only to those items which were found defective and repaired, it does not apply to products in which no defect was found and returned as is or merely recalibrated.
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