Summary of Contents for Sensotec HH
- Page 1 Model HH Signal-Conditioner / Indicator 2080 Arlingate Lane, Columbus, Ohio 43228 USA • (614)850-5000...
- Page 2 Sensotec, Inc. 2080 Arlingate Lane Columbus, Ohio 43228 USA Copyright © 2002 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 HH Instruction Manual Document Part Number: 008-0139-00 Rev. B: March, 2003...
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Page 3: Table Of Contents
Chapter 1 INTRODUCTION Overview ......5 Specifications ..... 6 Layout . -
Page 5: Introduction
Chapter 1 INTRODUCTION 1.1 Overview The Sensotec Model HH is a complete hand-held portable signal-conditioner/indicator for use with strain-gage trans- ducers. The instrument provides an excitation power sup- ply for such transducers, amplifies the transducer’s output, and indicates this reading in engineering units. It... -
Page 6: Specifications
1.2 Specifications SIGNAL CONDITIONER Excitation Voltage to transducer: 2.46 VDC Minimum Transducer Impedance: 120 ohms Input Signal Sensitivity for Full-Scale 0.5 to 8.0 mV/V Indication: Peak Detector Bleed-Off Rate < 0.01% per second DISPLAY Type: 3½ LCD, plus optional dummy zero Low-Battery Indicator: Over-Range Indicator blinking digits... -
Page 7: Layout
“LO BAT” Indicator This indication appears in the upper-left of the display and indicates when the battery voltage is getting low. Model HH Instruction Manual page 7... - Page 8 LO B AT ZE R O SPA N SHUNT PEAK O FF TRACK M ODEL HH PO RTABLE INDICATO R Figure 1-1: Layout page 8 INTRODUCTION...
- Page 9 The access door for the battery is located on the rear of the instrument. To replace the battery, slide this door in the direction indicated by the arrow. When changing bat- teries, remove the clip from the battery carefully, in order to protect the wiring. Model HH Instruction Manual page 9...
- Page 10 page 10 INTRODUCTION...
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Page 11: Initial Setup
Chapter 2 SETUP 2.1 Initial Setup If your instrument was purchased simultaneously with a Sensotec transducer, it has already been calibrated to that transducer; you may skip this section. Remove the rear panel from the 1) Remove Cover: instrument by removing the four corner screws and carefully lifting the rear cover. -
Page 12: Transducer Hookup
Table 2: Coarse Gain Switch Settings mV/V Value Switches on 1, 2, 3, 7 0.75 1, 3, 7 3, 5, 7 4, 7 6, 8 2.2 Transducer Hookup Connect the transducer to the instrument using the bind- ing post connectors shown in “Layout” on page 8. Observe the wiring as shown on the Transducer Informa- tion Sheet provided with your transducer. -
Page 13: Calibration
The value of the Shunt Calibration resistor that the manufacturer recommends is also on this sheet. It is important to use the same value of resistor when using the Shunt Calibration Method. Model HH Instruction Manual page 13... - Page 14 Recheck the ZERO and again apply the known-load or Shunt Calibration. With the full-load applied, adjust the internal SCAL- ING potentiometer to the desired full-scale engineer- ing unit value. If the SHUNT CAL technique is being used, adjust for the value calculated by: ×...
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Page 15: Warranty
Repair Warranty All repairs of Sensotec, Inc. 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 re-calibrated. - Page 16 (800)848-6564 2080 Arlingate Lane Columbus, Ohio 43228 Tel: (614)850-5000 Fax: (614)850-1111 E-mail: service@sensotec.com http://www.sensotec.com...
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