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Ohmic Instruments
Phone (410) 820-5111
3081 Elm Point Industrial Drive
Toll Free(800) 626-7713
Fax (410) 822-9633
St. Charles, MO 63301 USA
www.ohmicinstruments.com
Sales: sales@ohmicinstruments.com
Service: service@ohmicinstruments.com
DPX-200 MANUAL
DEW POINT TRANSMITTER
SF-SLS-554 (A)
1
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Summary of Contents for Ohmic instruments DPX-200
- Page 1 Ohmic Instruments Phone (410) 820-5111 3081 Elm Point Industrial Drive Toll Free(800) 626-7713 Fax (410) 822-9633 St. Charles, MO 63301 USA www.ohmicinstruments.com Sales: sales@ohmicinstruments.com Service: service@ohmicinstruments.com DPX-200 MANUAL DEW POINT TRANSMITTER SF-SLS-554 (A)
- Page 2 2014 All rights reserved. This manual may not be reproduced in complete form without written permission of Ohmic Instruments . Information contained in this manual is believed to be accurate and reliable; however, no responsibility is assumed by Ohmic Instruments for its use.
- Page 3 INTRODUCTION The DPX-200 is a microprocessor-based dew point transmit- ter used to monitor the output air from dryer systems as well as ambient conditions. The DPX-200 determines the dew point temperature from the measurements of water vapor and dry bulb temperature of the air sample. These dew point...
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Page 4: Operation
Calibration Lockout (do not remove) °F / °C jumper shown in °F position 1. + Power (18-28 VDC) 3. +Vout (0-5 volts) 5. +mA (4-20mA) 2. - Power 4. -Vout 6. -mA OPERATION 1. Make connections to output POWER CONNECTION TO terminals located inside the unit THE (-) SIGNAL OUTPUT ON as labeled to their function (see... - Page 5 28 volt DC power supply and implemented (not all pins are used). turn power on. If the DPX-200 is connected to a 4. Wait for the dew point reading partially implemented serial port, to stabilize. The transmitter...
- Page 6 Communications Programs If readings are not displayed, turn The DPX-200 transmits data via its the DPX-200 off, and in Tera Term RS-232 output as soon as it is pow- click on Setup in the menu bar, then ered up. In order to receive the da- select Serial Port.
- Page 7 Lockout. This jumper keeps tions outlined below have been fol- the calibration points locked in; re- lowed. However, if used in plastics moving it can cause the DPX-200 to drying operations, hydrocarbons lose calibration. from the out gas of the plastic resin...
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Page 8: Specifications
½ Amp, 250V Optional Computer Interface: Bi-directional RS-232. ASCII, Com- ma Delimited Format Communication Setup: 9600 Baud Rate, 8 Data Bits, 1 Stop Bit, No Parity, Flow Control off If you need additional help for your particular application, contact: OHMIC INSTRUMENTS 410-820-5111... - Page 9 DPX-200 Analog Output Table Centigrade/Fahrenheit...
- Page 10 If any failure occurs, the following steps should Or call Ohmic Technical Support at 410-820-5111. be taken: 1. Notify Ohmic Instruments giving full details of the All rights reserved. This manual may not be repro- difficulty, and include the model, type, and serial duced in full or in part without written permission of numbers (where applicable).