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Products Temperature Dew Point Transmitter

Vaisala Dew Point Transmitter DMT152
 
Vaisala

Model: DMT152

Dew point measurement in very dry environments
Designed to reliably measure low dew point - even down to below 80°C - the DMT152 is an ideal choice for industrial applications where it is critical to control humidity with high accuracy.

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Datasheet (PDF)
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Features

• Vaisala DRYCAP technology with a polymer sensor
• Measures dew point down to -80 °C (-112 °F)
• Withstands condensation
• Traceable calibration (certificate included)
• Applications: dry chambers, dry gases, semiconductor manufacturing, research and testing, and compressed air

Benefits

• Accurate
• Compact and powerful
• Fast response time
• Reduced maintenance costs due to long calibration interval

Measurement Performance

Dew Point Temperature Measuring Range: -80 to -10°C Td
Accuracy: ±2°C Td from -80 to -40°C; ±3°C from -40 to -20°C
Non-calibrated range: -100 to +20°C Td
Recommended Calibration Interval: 2 years

Input

Two analog outputs (scalable): 4 ... 20 mA, 0 ... 20 mA (3 wire) 0 ... 5V, 0 ... 10 V
Accuracy of analog outputs: ±0.01 V / ±0.01 mA
Digital output: RS-485 (2-wire)
Alarm-level indication by analog signal: User selectable
Purge information 5 V, 10 V, 20 mA or LED

Operating Voltage
RS-485 output: 11*... 28 VDC
Voltage output: 15* ... 28 VDC
Current output: 21 ... 28 VDC
*For extended temp. down to -40 °C (-40 °F) or pressure up to 50 bar (725 psia), the supply voltage is 21 ... 28 VDC.

Supply Current
Normal measurement: 20 mA + load current
During self-diagnostics: Max. 220 mA pulsed
Supply voltage fluctuation: Max. 0.3 V

External Load
Voltage output: Min. 10 kΩ
Current output:  Max. 500 Ω

Mechanical Specifications
Housing material (wetted parts): AISI316L
Stainless steel mesh filter: Filter body AISI303, mesh AISI316L, grade 18 μm
Mechanical connections: ISO G½", NPT ½", UNF 3/4"- 16"
Housing classification: IP66
Storage temperature range: -40 ... +80 °C (-40 ... +176 °F)
Weight (ISO G½"): 190 g (6.70 oz)
Complies with EMC standard EN61326-1, Electrical equipment for measurement control and laboratory use - EMC requirements; Industrial environment

 

Please refer to product's datasheet (PDF)
Product Dimensions (mm): 120.5 x 29.5 x 30
Package Dimensions (mm): 0 x 0 x 0
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