DeFelsko PosiTector DPM Instruction Manual
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Summary of Contents for DeFelsko PosiTector DPM
- Page 1 PosiTector DPM Dew Point Meter INSTRUCTION MANUAL v. 2.0 Simple. Durable. Accurate.
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Page 2: Power-Up / Power-Down
Power-up / Power-down Power-up / Power-down The PosiTector DPM powers-up when any button is pressed. To preserve battery life, the instrument powers-down after approximately 3 minutes of no button activity. To power-down immediately, hold both (-)(+) buttons for 5 seconds. Settings are... -
Page 3: Operation Overview
Operation Overview Operation Overview Upon power-up, the following 5 parameters are displayed and updated automatically each second. - The relative humidity sensor is located inside the white plastic housing. The sensor may require a longer period to stabilize in the event of extreme humidity changes. - Page 4 Smart Trend Indicators - identify rising, falling or stable readings. The instrument compares each measurement with the average of recent values in an attempt to provide the current direction of change. Smart Trend Indicators While the absence of an arrow does not necessarily signify stability, it can be taken to mean that particu- lar parameter is undergoing little or no change.
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Page 5: Menu Operation
Menu Operation Menu Operation Instrument functions are menu controlled. To access the Menu, turn the instrument on, then press the button. Memory Reset Gage Info Auto Log Flip Display Alarm Units Setup Language Current selection is displayed Set Clock with darkened background To navigate, press (-) to scroll DOWN, (+) to scroll UP to SELECT. - Page 6 Memory Management Memory Management Memory The PosiTector DPM can record 2,500 datasets in up to 100 groups (batches) for on-screen analysis, for printing to an optional IR printer, or for downloading to a personal computer using optional PosiSoft software and USB cable.
- Page 7 Open -selects a previously created batch name to open and make current. The current batch name and number of stored datasets will be displayed. Close -stops the recording process, closes the current batch, and removes batch information from the display. Delete -removes a batch completely from memory.
- Page 8 Print -prints stored datasets and/or summary to the optional IR printer or to a PC’s default Windows printer via the optional USB cable and PosiSoft software. Press (-)(+) simultaneously to cancel printing. Downloading Measurements Stored in Memory Datasets stored in the instrument’s memory (in batches) can be downloaded to a computer using optional PosiSoft software and USB cable (pg.
- Page 9 NOTE: To conserve battery life, displayed values only update at the Log Interval. The last recorded values will remain “frozen” on the display until the next interval values have been stored. Recorded datasets are stored into the currently opened batch. If no batch is open, a new batch will be created.
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Page 10: Setup Menu Setup
Setup Menu Setup Menu Setup Reset Reset restores factory settings and returns the instrument to a known, out-of-the-box condition. It is handy when you want to “start all over”. The following occurs: - all batches are closed and stored datasets are erased. -
Page 11: Available Options
vailable Options vailable Options Magnetic Surface Temperature Kit Allows the instrument and surface temperature probe to be conveniently attached onto steel structures for hands-free recording. Ideal for unattended data logging during the work shift and overnight. Interchangeable lower unit (push to disconnect) Magnetic surface temperature probe... - Page 12 This lower unit accepts other optional K-type thermocouple probes including: Hand-held Surface Temperature Probe -for spot checking hard-to-reach surfaces Self-adhering Surface Temperature Probe -sticks to solid materials including aluminum, wood, concrete, etc. Ideal for unattended monitoring. Liquid Temperature Probe -general purpose probe with stainless steel shaft PosiSoft for Windows analysis software...
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Page 13: Troubleshooting
roubleshooting roubleshooting When the surface temperature probe is not on a surface, Air Temperature and Surface Temperature appear to be different: Under normal conditions with the surface probe in air and T should be within the combined tolerance of each sensor (typically 1°C). It is possible for the difference to be larger if the surface probe has recently been in contact with surfaces that are at a different temperature than air. -
Page 14: Changing The Batteries
Changing The Batteries Changing The Batteries The battery icon displays four bars with fresh alkaline batteries installed. As the batteries weaken, the number of bars will be reduced. When the batter- ies become very weak the Power Warning image will display and the instrument will automatically power-down. -
Page 15: Returning For Service
Returning for Service Returning for Service Before returning the instrument for service… 1.Install new Alkaline batteries in the proper alignment as shown within battery compartment. 2.Examine the surface temperature probe tip for dirt or damage. 3.Perform a Reset (pg. 10) If you must return the instrument for service, describe the problem fully and include measurement results, if any. - Page 16 Every effort has been made to ensure that the information in this manual is accurate. DeFelsko is not responsible for printing or clerical errors Distributed by: ABQ Industrial LP USA Tel: +1 (281) 516-9292 / (888) 275-5772 eFax: +1 (866) 234-0451...
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