Edgetech 1500 Operator's Manual
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Edgetech 1500 Operator's Manual

Portable dew point monitor
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399 River Road, Hudson, MA 01749
508-263-5900 fax: 508-486-9348
Model 1500
Portable Dew Point Monitor
OPERATORS MANUAL
www.edgetechinstruments.com
h2o@edgetechinstruments.com
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Summary of Contents for Edgetech 1500

  • Page 1 Model 1500 Portable Dew Point Monitor OPERATORS MANUAL 399 River Road, Hudson, MA 01749 www.edgetechinstruments.com 508-263-5900 fax: 508-486-9348 h2o@edgetechinstruments.com...

  • Page 2: Table Of Contents

    5.1 ROUTINE MAINTENANCE 5.2 MIRROR CLEANING SCHEDULE 5.3 MIRROR CLEANING PROCEDURE 6.0 SPECIFICATIONS 7.0 APPENDICES ROTARY VANE VACUUM PUMP (OPTIONAL) PRESSURE TRANSDUCER (OPTIONAL) EDGETECH INSTRUMENTS INC. DEW POINT HYGROMETER SAMPLING BASIC HUMIDITY DEFINITIONS BATTERY MATERIAL SAFTY DATA SHEET (FOR -C1 ONLY)
  • Page 3 Edgetech Instruments Inc.'s Commitment to Quality To Our Customers: Thank you for purchasing one of our products. At Edgetech Instruments Inc., it is our policy to provide cost-effective products and support services that meet or exceed your requirements, to deliver them on time, and to continuously look for ways to improve both.

  • Page 4: General Description

    Model 1500 Dew Point Monitor 1.0 GENERAL DESCRIPTION The Edgetech Instruments Inc. Model 1500 Battery Powered DPM is an integrated system including a microprocessor-based instrument, a chilled mirror dew point sensor, a sample flow meter and associated tubing and fittings.

  • Page 5: Sample Connections

    Connect the sample supply line to the ¼" tubing fitting located on the panel (Figure 2.2). NOTE: The maximum inlet pressure is 150 PSIG. Figure 2-2.0 Drawing Model 1500-C1 & Model 1500-C2 Figure 2-2.1 Drawing Model 1500-C1-Sx “underneath” Figure 2-2.2 Drawing Model 1500-C1-DsX “Insertion Probe”...
  • Page 6 Model 1500 Dew Point Monitor FIGURE 2-2.0 TOP & BELOW PANEL LAYOUT...
  • Page 7 Model 1500 Dew Point Monitor FIGURE 2-2.1...
  • Page 8 Model 1500 Dew Point Monitor FIGURE 2-2.2 Model 1500-C1-DSx...
  • Page 9 Model 1500 Dew Point Monitor FIGURE 2-3 WIRING CONNECTORS...

  • Page 10: Functional Description

    Model 1500 Dew Point Monitor 3.0 FUNCTIONAL DESCRIPTION The front panel of the Model 1500 Battery Powered DPM consists of an LED Display and two push-buttons. 1.) MABC- Manual Automatic Balance Cycle 2.) DISPLAY “SCAN”- Allows viewing of all Parameters or selection of desired measurement.

  • Page 11: Mabc Button

    -Initiate an MABC Cycle. -Check the sample system for proper flow. -Check for loose connections or components on the printed circuit board and sensor. If the condition cannot be resolved with these checks, contact Edgetech Instruments Inc. for service. 3.2 MABC Button Pressing the MABC Button (Manual Automatic Balance Cycle) at any time will initiate an ABC Cycle.

  • Page 12: Setup

    Model 1500 Dew Point Monitor 4.0 SETUP 4.1 Alarm Set Point (Figure 4.1) The alarm set point temperature is set by DIP switch S2 as an integer. The switch setting represents an eight bit binary number in degrees C with position 8 as the least significant bit (LSB) and position 2 as the most significant bit (MSB).
  • Page 13 Model 1500 Dew Point Monitor FIGURE 4-1 SETUP...
  • Page 14 Model 1500 Dew Point Monitor TABLE 4.1 SETUP BINARY BINARY -50.0 -58.0 10110010 32.0 00000000 -49.0 -56.0 10110001 33.0 00000001 -48.0 -54.0 10110000 35.0 00000010 -47.0 -52.0 10101111 37.0 00000011 -46.0 -50.0 10101110 39.0 00000100 -45.0 -49.0 10101101 41.0 00000101 -44.0...

  • Page 15: Abc Interval

    Model 1500 Dew Point Monitor 4.2 ABC Interval The ABC Interval is the time between the automatic initiation of ABC Cycles. In typical applications, an interval of 24 hours is recommended and set at the factory. However, in cases where ambient conditions are more variable, or the sample gas is higher in contaminants, a shorter interval may be required.

  • Page 16: Maintenance

    Model 1500 Dew Point Monitor 5.0 MAINTENANCE 5.1 ROUTINE MAINTENANCE To ensure the maximum in accurate and reliable operation of any optical chilled mirror system, a periodic maintenance program should be established. 5.2 MIRROR CLEANING SCHEDULE Over time, particulates and other matter present in the sample gas and not captured by filters, build up on the mirror.
  • Page 17 Model 1500 Dew Point Monitor FIGURE 5.1 S1/S2 WITH COVER REMOVED FOR MIRROR CLEANING...

  • Page 18: Specifications

    Model 1500 Dew Point Monitor 6.0 SPECIFICATIONS Measurement Range –20 to 50°C (Standard S1 Sensor) -Dew/ Frost Point -50 to 50°C (Optional S2 sensor)** -75 to 75°C (Optional S3 sensor)** -Pressure Transducer 0-150 p.s.i.g. (gauge) -Ambient Temperature Probe -50C to 50C -58F to 122F...
  • Page 19 Model 1500 Dew Point Monitor 7.0 APPENDIX Rotary Vane Vacuum Pump Specifications Pressure/Vacuum Pump Models DC Powered Rotary Vane Pumps DESCRIPTION These rotary vane pumps are an excellent pressure/vacuum source for gas analyzers, medical devices, process samplers and other analytical instrument applications. They are also useful for material handling and many general automation applications.
  • Page 20 Model 1500 Dew Point Monitor Model 205-2 Specifications Full Scale Pressure Output 5 VDC Zero Pressure Output 0 VDC Accuracy ±0.11% Full Scale (0.073% Full Scale, optional) (RSS Method) Type of Pressure Gage or Absolute Pressure Ranges 0 to 25, 50, 100, 250 psig...

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