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- Perfect for Compressed Air, Dryers, Glove Box & Dry Gas Applications
- Very Stable and Insert to Many Harsh Environments
- No Daily Maintenance Required
- 4-20mA Output
- 3 Wire Measurement
- Dew Point Accuracy:
- +/- 1.0°C from -20°C to 40°C
- +/- 3.0°C <-20°C
- Fast Response Time
- Excellent Stability
Roscid's DPXO-70 is a dew point transmitter ideally suited for low dew point temperature measurement. The unit comes factory scaled to measure dew points from -70 to 20°C with a proportional output of 4-20mA.
It is the perfect unit for applications requiring the measurement of low dew point temperatures such as compressed air, dryers, glove box, and for dry gas. The DPXO-70 dew point transmitter uses a high density cross linked polymer film as a sensing element. It is very stable and is inert to almost all harsh environment, such as dust, acid gases, and gas with oil vapors.
By using auto background calibration, the unit is stable and accurate and does not need any daily maintenance. The unit works at a constant temperature mode at 28°C; typically the temperature outside does not have any influence on the transmitter. The unit is compensated by the software/microprocessor at a temperature above 28C.
Above -10°C direct current output
Below -10°C auto heating program starts heating for 45 sec @ 170°C & cools for 105 sec, the output is held during this period
Below -40°C with a delay of 5 min, auto background calibration program is initiated & will last 7 min and the output is held during this period
SCALING: -80°C to 20°C (factory default), 4-20mA output
CALIBRATION: done at -60°C
DEW POINT: -70°C to 20°C
PRESSURE RATING: 750 PSI
MATERIAL: 304 SS
OPERATING TEMPERATURE: 0 to 200°C
SINTER FILTER TOP (SS): removable & washable
DEW POINT ACCURACY: +/- 1.0°C from +40C° to -20°C, +/- 3.0°C <-20°C
POWER: 24 Vdc +/-6Vdc
PRESSURE: Max 50 bar
MEASUREMENT RANGE: -70C to 20C
MEASUREMENT INTERVALS: 2 seconds
Typical < 12 min w/filter wet to dry
Typical < 10 sec from dry to wet
Filter: ss mesh 40um
Mechanical connections: G1/2"
Housing classification: IP65
Housing material: 304 SS
Weight: 220 grams
Cable Length: 2m
STORAGE TEMPERATURE: -40 to 80°C