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Ohmic Instruments Phone (410) 820-5111 Toll Free(800) 626-7713 3081 Elm Point Industrial Drive St. Charles, MO 63301 USA Fax (410) 822-9633 www.ohmicinstruments.com Sales: sales@ohmicinstruments.com Service: service@ohmicinstruments.com AMM-15 Manual AIR-LINE MOISTURE MONITOR Model AMM-15 SF-SLS-546 (B)
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Information contained in this manual is believed to be accurate and reliable; however, no responsibility is assumed by Ohmic Instruments for its use. Ohmic reserves the right to supply its instruments with design changes and/or component...
Contents Storage Recommendations…………………………………………………...4 Introduction ....................5 Sample Modes / Connecting Information ..........6 Operating Instructions ................8 RS-232 Interface ..................8 Logging and Data Uploading ..............10 Changing Settings Using the Interior DIP Switch ........10 Summary of Computer Commands.………………………………………. 11 Notes on Communication and Command Structure........
0 to 125 Deg. F. at less than 90 % RH. Long term storage of the AMM-15 out of these conditions is not recommended by Ohmic Instruments. We also recommend removing the batteries if the...
INTRODUCTION Ohmic Model AMM-15 Air-line disconnects provided with the unit. Moisture Monitor is a portable hand Model AMM-15 is an ideal choice -held instrument designed to accu- for personnel involved in operating, rately monitor the dew point and dry maintaining, or inspecting com-...
SAMPLE MODES / CONNECTING INFORMATION The AMM-15 is designed for use with both compressed and low pressure In compressed air applications air systems, and can accurately (above 5 psi), the dew point meas- measure conditions in air lines oper- urements are made at line, rather ating at pressures from 0 to 120 psi.
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AMM-15 CONNECTIONS Remaining ¼” OD Hard Tubing Metal Quick Connect Filter Metal Quick Connect Brass Orifice ¼” OD Hard Assembly Tubing Hose barb to Quick Connect Outlet Inlet IMPORTANT THE OUTLET ORIFICE MUST BE USED WHEN WORKING WITH 5 PSI OR GREATER.
Some computer COM ports and seri- Connecting Information page. al adapters are not fully implemented [AIR LINE PRESSURE IS NOT (not all pins are used). If the AMM-15 TO EXCEED 120 PSI] is connected to a partially implement- ed serial port, functions may be errat- 4.
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Set up your communications program If readings are not displayed, turn the as described below. AMM-15 off, and in Tera Term click on Setup in the menu bar, then se- Communications Programs lect Serial Port. This will open a win-...
SUMMARY OF COMPUTER COMMANDS The following is a list of commands accepted by the AMM-15. Make sure you read through the notes on Page 10 before attempting to change any of the settings. Each command should be followed by pressing the Enter key.
(#) corre- spond to Dew Point and Tem- REPLACEMENT PARTS Inline Filter ....................#5355 ¼" OD Polypropylene Tubing (6-foot) ........... ST-AMM-15 If you need additional help for your particular application, contact Ohmic at (410) 820-5111, or e-mail us at sales@ohmicinstruments.com.
GENERAL SPECIFICATIONS AIR-LINE MOISTURE MONITOR - Model AMM-15 ELECTRICAL Water Vapor Sensor: HC-610 (Thin Film Polymer) Temperature Sensor: 10K NTC Thermistor Dewpoint Range: -40 to +80 F Dewpoint Accuracy: ±4 F from -40 to +20; ±2 F from +20 to +80 Dry-Bulb Range: 0 to 140 F...
Ohmic Instruments Company. Information con- tained within this manual is believed to be accurate 1. Notify Ohmic Instruments giving full details of the and reliable. However, Ohmic Instruments Compa- difficulty, and include the model, type, and serial ny assumes no liability for its use. Ohmic Instru- numbers (where applicable).
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