DeFelsko PosiTector DPM Dew Point Meter

DeFelsko PosiTector DPM

Measures and records climatic conditions including: relative humidity, air temperature, surface temperature, dew point temperature, wind speed, and difference between surface and dew point temperatures.

Ideal for surface preparation as required by ISO 8502-4, BS 7079-B4, ASTM D3276, IMO PSPC, SSPC-PA7, and US Navy NSI 009-32.

NEW Larger 2.8" impact resistant color touchscreen with redesigned keypad for quick menu navigation
NEW Weatherproof, dustproof, and water-resistant - IP65-rated enclosure
Fast response precision sensors provide accurate, repeatable readings
Auto Log mode records environmental parameters at user selected time intervals
PosiTector interchangeable platform - attach any PosiTector probe to a single gage body
USB, WiFi, and Bluetooth connectivity to PosiSoft PC, Mac, and Smartphone software
Certificate of Calibration showing traceability to NIST included (Long Form)

Conforms to ISO 8502-4, BS 7079-B4, ASTM D3276, IMO PSPC, SSPC-PA7, US Navy NSI 009-32, and Navy NAVSEA 009-32

DeFelsko PosiTector DPM Standard Dew Point Meters: 5 Models Available


DeFelsko PosiTector DPM1 Dew Point Meters	DeFelsko PosiTector DPMIR1 Dew Point Meters	DeFelsko PosiTector DPMS1 Dew Point Meters	DeFelsko PosiTector DPMA1 Dew Point Meters	DeFelsko PosiTector DPMD1 Dew Point Meters
PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION
Integral Probe	Integral Probe with Infrared Surface Temperature Sensor	Integral Probe with Cabled Surface Temperature Sensor	Integral Probe with Wind Speed Sensor	Cabled Probe with 1/2" NPT Threads
MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS
Surface Temperature	Surface Temperature	Surface Temperature	Surface Temperature	---
Air Temperature	Air Temperature	Air Temperature	Air Temperature	Air Temperature
Relative Humidity	Relative Humidity	Relative Humidity	Relative Humidity	Relative Humidity
Dew Point Temperature	Dew Point Temperature	Dew Point Temperature	Dew Point Temperature	Dew Point Temperature
Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	---
---	---	---	Wind Speed	---

DeFelsko PosiTector DPM Advanced Dew Point Meters: 5 Models Available


DeFelsko PosiTector DPM3 Dew Point Meters	DeFelsko PosiTector DPMIR3 Dew Point Meters	DeFelsko PosiTector DPMS3 Dew Point Meters	DeFelsko PosiTector DPMA3 Dew Point Meters	DeFelsko PosiTector DPMD3 Dew Point Meters
PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION
Integral Probe	Integral Probe with Infrared Surface Temperature Sensor	Integral Probe with Cabled Surface Temperature Sensor	Integral Probe with Wind Speed Sensor	Cabled Probe with 3/2" NPT Threads
MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS
Surface Temperature	Surface Temperature	Surface Temperature	Surface Temperature	---
Air Temperature	Air Temperature	Air Temperature	Air Temperature	Air Temperature
Relative Humidity	Relative Humidity	Relative Humidity	Relative Humidity	Relative Humidity
Dew Point Temperature	Dew Point Temperature	Dew Point Temperature	Dew Point Temperature	Dew Point Temperature
Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	---
---	---	---	Wind Speed	---

DeFelsko PosiTector DPM Probe Only Dew Point Meters: 5 Models Available


DeFelsko PRBDPM PosiTectorDew Point Meters	DeFelsko PRBDPMIR PosiTectorDew Point Meters	DeFelsko PRBDPMS PosiTectorDew Point Meters	DeFelsko PRBDPMA PosiTectorDew Point Meters	DeFelsko PRBDPMD PosiTectorDew Point Meters
PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION	PROBE DESCRIPTION
Integral Probe	Integral Probe with Infrared Surface Temperature Sensor	Integral Probe with Cabled Surface Temperature Sensor	Integral Probe with Wind Speed Sensor	Cabled Probe with 3/2" NPT Threads
MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS	MEASURED PARAMETERS
Surface Temperature	Surface Temperature	Surface Temperature	Surface Temperature	---
Air Temperature	Air Temperature	Air Temperature	Air Temperature	Air Temperature
Relative Humidity	Relative Humidity	Relative Humidity	Relative Humidity	Relative Humidity
Dew Point Temperature	Dew Point Temperature	Dew Point Temperature	Dew Point Temperature	Dew Point Temperature
Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	Surface Temperature minus Dew Point Temperature	---
---	---	---	Wind Speed	---

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Feature Comparison Chart	Standard	Advanced
NEW Larger 2.8" impact resistant color touchscreen with redesigned keypad for quick menu navigation
NEW On-gage help explains menu items at the touch of a button
NEW Weatherproof, dustproof, and water-resistant - IP65-rated enclosure
NEW Ergonomic design with durable rubberized grip
NEW Auto rotating display with Flip Lock
NEW Screen Capture - save 100 screen images for record keeping and review
NEW Instant-on feature quickly powers up the gage if recently powered down
NEW Up to 30% longer battery life
Reading Storage Capacity	1,000 per probe	250,000 in up to 1,000 batches
Enhanced Auto Log mode turns the gage off between readings for up to 8 months of battery life. Each reading can be uploaded to PosiSoft.net or an FTP server using WiFi. Automatically group readings into batches at daily, weekly, or monthly intervals.	---
User defined limits for all parameters - visible and audible warnings. Receive email alerts when connected to WiFi.	---
Trend Charts graph readings in real-time	---
Wet bulb temperature can be displayed and recorded	---
NEW Touchscreen keyboard for quickly renaming batches, adding notes, and more	---
WiFi technology wirelessly synchronizes with PosiSoft.net and downloads software updates	---
Bluetooth 4.0 Technology for data transfer to a mobile device running the PosiTector App or optional portable printer. BLE API available for integration into third-party software	---
Integrate with third-party software, drones, ROVs, PLCs, and robotic devices using several industry-standard communication protocols	---

For use with the: DeFelsko PosiTector 6000, DeFelsko PosiTector 200, DeFelsko PosiTector SPG, DeFelsko PosiTector RTR H, DeFelsko PosiTector RTR 3D, DeFelsko PosiTector DPM, DeFelsko PosiTector IRT, DeFelsko PosiTector SST , DeFelsko PosiTector UTG, DeFelsko PosiTector SHD, DeFelsko PosiTector BHI

DeFelsko PosiTector DPM Dew Point Meters for Environmental Monitoring Videos

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PosiSoft Suite of Software
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Four FREE and unique ways to view and report your PosiTector and PosiTest data. Learn More

PosiSoft Desktop
PosiSoft.net
PosiTector App
PosiSoft USB

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Accessories for DeFelsko Inspection Instruments - Online Catalog

F.A.Q.

Do your instruments require any formal training for use? Do you offer ‘demo’ models?

No. Our instruments are designed for simple operation, feature easy-to-use menus, both full and quick instruction manuals, and helpful videos. In lieu of demonstration models, we provide unlimited technical support via telephone and/or email, and a limited 30-day money back guarantee.

How often should the PosiTector probe be recalibrated?

PosiTector probes include a Certificate of Calibration with no expiry or end date. They have no shelf life, therefore the length of time in the field is not a good indicator for recalibration intervals. Many organizations with quality programs and recertification programs require annual recalibrations, and this is a good starting point for most users. DeFelsko recommends that customers establish calibration intervals based upon their own experience and work environment. Based on our product knowledge, data and customer feedback, a one year calibration interval from the date the instrument was placed in service is a good starting point.

Is the PosiTector DPM L calibrated at the factory?

The PosiTector DPM L arrives fully calibrated and ready to measure. A Long-Form Certificate of Calibration traceable to NIST or PTB is included, which documents actual readings taken by your instrument at our calibration laboratory on standards traceable to a national metrology institute. Beware of ‘Certificates’ or ‘Certificates of Conformance’ offered by competitors. These typically do not include actual instrument readings, and are often insufficient to meet common quality requirements.

Does the PosiTector DPM L provide a wet-bulb temperature measurement?

Yes. When combined with either a PosiTector Advanced gage body or iOS/Android smart device, the DPM L will indicate a wet-bulb temperature measurement.

Is the PosiTector DPM L suitable for applications with low or negative dew point temperatures?

The PosiTector DPM L provides accurate dew point readings (±3° C) down to -40° C.Dew point is a calculated value, based on temperature and humidity. At low negative dew point temperatures, the calculation is highly dependent on relative humidity and changes of ±3% RH (the tolerance of the PosiTector DPM’s humidity sensor) can have a significant impact on the dew point temperature.The Dew Point (Td) Accuracy page details the accuracy of the calculated dew point temperature based on the measured temperature and humidity.

How long does it take the logger to acclimate, and provide accurate readings in a new environment?

The PosiTector DPM L, like other electronic dew point meters, requires adequate time to acclimate to its operating environment. When moving between similar environments, the instrument will stabilize in a matter of seconds. However, when moving between environmental extremes (like between a dry, air conditioned vehicle and the warm, humid outdoors) it can take up to 30 minutes for readings to stabilize.If left in a dry environment for an extended period of time, this stabilization process may take longer. To restore the original response time, wrap the sensor in a damp cloth overnight.

Is the PosiTector DPM L suitable for logging temperatures inside an oven?

No. We do not recommend our PosiTector DPM L for operation in an oven. Delicate internal components and assembly materials are prone to premature damage when subjected to prolonged use in a closed environment with temperatures greater than approximately 50° C (122° F).

How long does the battery last on a PosiTector DPM L?

Depending on the logging interval, the battery on a PosiTector DPM L can last several months. For example, at 5 minute intervals the logger will last 120 days. At 1 hour intervals, the PosiTector DPM L will last 200 days. The stated battery life is for unattended logging. Battery life is reduced while connected to the PosiTector app or instrument.

What is the operating temperature range of the PosiTector DPM L

The operating temperature range of the PosiTector DPM L is -10 to 60° C (14 to 140° F).

DeFelsko DPM1-G PosiTector DPM1 Standard Dew Point Meter with PRBDPM-C Integral Probe

Price: $770.00
DeFelsko DPM1-G Positector DPM1 Standard Dew Point Meter for Environmental Monitoring with PRBDPM-C Integral Probe
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMIR1-G PosiTector DPMIR1 Standard Dew Point Meter with PRBDPMIR-C Integral Probe

Price: $825.00
DeFelsko DPMIR1-G PosiTector DPMIR1 Standard Dew Point Meter for Environmental Monitoring with PRBDPMIR-C Integral Probe with Infrared Surface Temperature Sensor
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMS1-G PosiTector DPMS1 Standard Dew Point Meter with PRBDPMS-C Cabled Probe

Price: $875.00
DeFelsko DPMS1-G PosiTector DPMS1 Standard Dew Point Meter for Environmental Monitoring with PRBDPMS-C Cabled Probe with Surface Temperature Sensor
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMA1-G PosiTector DPMA1 Standard Dew Point Meter with PRBDPMA-C Integral Probe

Price: $905.00
DeFelsko DPMA1-G PosiTector DPMA1 Standard Dew Point Meter for Environmental Monitoring with PRBDPMA-C Integral Probe with Wind Speed Sensor
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMD1-G PosiTector DPMD1 Standard Dew Point Meter with PRBDPMD-C Cabled Probe

Price: $780.00
The DeFelsko DPMD1-G PosiTector DPMD1 Standard Dew Point Meter for Environmental Monitoring with PRBDPMD-C Cabled Probe with 1/2" NPT Threads
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPM3-G PosiTector DPM3 Advanced Dew Point Meter with PRBDPM-C Integral Probe

Price: $1,220.00
The DeFelsko DPM3-G PosiTector DPM3 Advanced Dew Point Meters for Environmental Monitoring with PRBDPM-C Integral Probe
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMIR3-G PosiTector DPMIR3 Advanced Dew Point Meter with PRBDPMIR-C Integral Probe

Price: $1,275.00
DeFelsko DPMIR3-G PosiTector DPMIR3 Advanced Dew Point Meter for Environmental Monitoring with PRBDPMIR-C Integral Probe with Infrared Surface Temperature Sensor.
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMS3-G PosiTector DPMS3 Advanced Dew Point Meter with PRBDPMS-C Cabled Probe

Price: $1,325.00
The DeFelsko DPMS3-G PosiTector DPMS3 Advanced Dew Point Meter for Environmental Monitoring with PRBDPMS-C Cabled Probe with Surface Temperature Sensor.
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMA3-G PosiTector DPMA3 Advanced Dew Point Meter with PRBDPMA-C Integral Probe

Price: $1,355.00
The DeFelsko DPMA3-G PosiTector DPMA3 Advanced Dew Point Meter for Environmental Monitoring with PRBDPMA-C Integral Probe with Wind Speed Sensor.
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko DPMD3-G PosiTector DPMD3 Advanced Dew Point Meter with PRBDPMD-C Cabled Probe

Price: $1,230.00
DeFelsko DPMD3-G PosiTector DPMD3 Advanced Dew Point Meter for Environmental Monitoring with PRBDPMD-C Cabled Probe with 1/2" NPT Threads.
Universal body accepts all PosiTector SPG, DPM, UTG and 6000 probes
DeFelsko PRBDPM-C PosiTector PRBDPM Dew Point Meter Integral Probe Only

Price: $445.00
DeFelsko PRBDPM-C PosiTector PRBDPM Dew Point Meter Integral Probe
The DeFelsko PRBDPM-C Integral Probe measures and records climatic parameters including: Relative humidity, air temperature, surface temperature, dew point temperature and difference between surface and dew point temperatures.
DeFelsko PRBDPMIR-C PosiTector Dew Point Meter Probe Only Infrared Surface Temperature Sensor

Price: $500.00
DeFelsko PRBDPMIR-C PosiTector PRBDPMIR Dew Point Meter Integral Probe Only with Infrared Surface Temperature Sensor
The DeFelsko PRBDPMIR-C Integral Probe Only with Infrared Surface Temperature Sensor measures and records climatic parameters including: Relative humidity, air temperature, surface temperature, dew point temperature and difference between surface and dew point temperatures.

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