DeFelsko PosiTector DPM Instruction Manual
Dew point meter
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Summary of Contents for DeFelsko PosiTector DPM
- Page 1 PosiTector Dew Point Meter Instruction Manual GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 2: Quick Start
Introduction Introduction Quick Start Press the button to power up the Gage. To conserve battery life, the gage will automatically go to sleep after 5 minutes of inactivity. While in Sleep Mode, the gage powers up significantly faster— convenient when moving between parts or locations. The gage will completely power off after 4 hours of inactivity. -
Page 3: Menu Operation
Button Functions- Normal Operation Scroll through Trend Pause / Resume Charts (Advanced only) Restore brightness after dimming Access the Menu The Pause/Resume button stops values from automatically updating to allow for closer examination of the relationship between the values or to allow time to manually record the entire dataset. - Page 4 The PosiTector body accepts a wide variety of probe types including magnetic, eddy current, and ultrasonic coating thickness, surface profile, hardness, salt contamination and ultrasonic wall thickness probes. PosiTector DPM probes: PosiTector DPM / DPM IR PosiTector DPM S Integral Surface Temperature Sensor Magnetic Surface Temperature Sensor Surface Temperature Air Temperature &...
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Page 5: Alarm Mode
Alarm Mode Alarm Mode Alarm The PosiTector DPM can automatically alert the user when current climatic conditions exceed pre-set values. When selected, the Alarm icon is displayed at the the top of the screen. Standard models will alert the user when the surface temperature is less than 3°C (5°F) above the dew point temperature. - Page 6 It performs the same function as a menu Reset with the addition of: - Bluetooth Pairing info is cleared. - Alarm settings are set to defaults. - Menu settings are returned to the following: Units (velocity) = m/s Units (temperature) = Celsius Battery Type = Alkaline Flip Lock = OFF Backlight = Normal...
- Page 7 The battery state indicator symbol is calibrated for the selected battery type. No damage will occur if the battery type used in the Gage does not match the selected battery type. Anemometer (PosiTector DPM-A probes only) Air Temperature & Relative Humidity Hot Wire Anemometer...
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Page 8: Memory Management
Emissivity (PosiTector DPM-IR Models Only) Sets the emissivity ratio for the PosiTector DPM IR infrared temperature sensor. Select from a User Entered Value or one of the following preset options: - Aluminum (rough) = 0.07 - Plastics = 0.94 - Zinc (Galvanized) = 0.25 - Steel (Oxidized) = 0.95... -
Page 9: Auto Log Mode
Auto Log Mode Auto Log Mode The PosiTector DPM can automatically display and record datasets at user selected time intervals. When selected, the Auto Log icon will appear on the display, with a countdown timer until the next reading. Connect the instrument to a USB power source for long-term use. -
Page 10: Accessing Stored Measurement Data
Accessing Stored Measurement Data DeFelsko offers the following free solutions for viewing, analyzing and reporting data: PosiSoft USB Drive - Connect the Gage to a PC/Mac using the supplied USB-C cable. View and print readings and graphs using universal PC/Mac web browsers or file explorers. No software or internet connection required. - Page 11 NOTE: Keyboard (Advanced models only) When enabled and connected to a computer, the PosiTector will be recognized as a Keyboard. Readings are sent to the computer as they are taken, emulating keystrokes, followed by a carriage return. (Advanced models only) Stream individual readings to a USB connected computer via a serial protocol.
- Page 12 Sync Batches Select batches to flag them for synchronization to the PosiTector App. Sync Batches is useful when connecting a new device to a gage with pre-existing batches, since only batches created while Bluetooth Smart is enabled are automatically selected. Selected batches are synchronized when the next reading is taken in a batch flagged for synchronization, or when the Sync Batches option is selected at the bottom of the list of selected...
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Page 13: Technical Data
Technical Data Technical Data Conforms to: ISO 8502-4, BS7079-B and ASTM D3276 Operating Range: -40° C to +80° C -40° F to +175° F PosiTector DPM, DPM S, DPM A, DPM D, DPM IR Range Accuracy Resolution -40° to 80° C ±0.5°... - Page 14 CAUTION: To ensure optimal performance of your PosiTector DPM, do not obstruct the airflow near the air temperature and humidity sensors. Keep fingers away from the sensor, as body heat can cause incorrect readings. Allow time for the instrument to acclimate and for the readings to stabilize when moving the instrument between different environments.
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Page 15: Returning For Service
Returning for Service Before returning the instrument for service… 1. Install new or newly recharged batteries in the proper alignment as shown within battery compartment. 2. Examine the surface temperature sensor for dirt or damage. 3. If the humidity sensor is slow to respond or reading erratically, recondition the sensor by removing the probe from the gage body and wrapping it in a damp cloth overnight.
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