` DewTrak II Chilled Mirror Transmitter
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DewTrak II Chilled Mirror TransmitterAlpha Controls & Instrumentation Inc.
DewTrak II Chilled Mirror TransmitterAlpha Controls & Instrumentation Inc.2 DewTrak II Chilled Mirror TransmitterAlpha Controls & Instrumentation Inc.2

Edgetech Instruments

DewTrak II Chilled Mirror Transmitter

Optical chilled mirror hygrometer designed to continuously measure the moisture content in gases.

Starting At
$5,032.00 CAD
Normally ships in 1-2 Weeks

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The Edgetech Instruments Model DewTrak II dew point / humidity transmitter is an optical chilled mirror hygrometer designed to continuously measure the moisture content in gases. The instrument is powered by 24Vdc.

The DewTrak II uses the chilled mirror dew point temperature condensation principle to determine the water vapor concentration in gas mixtures, and a platinum resistance thermometer to accurately measure that temperature. Outputs include 4 to 20mA, 0 to 5 Vdc, or 0-10Vdc and an RS232 serial port as well as electrically isolated relay contacts.

The Model DewTrak II is available with the Edgetech Instruments Model DX chilled mirror dew/frost point sensor. With an integral PRT temperature sensor, the Model DX has a wide operating range and excellent temperature stability.

• Precision dew/frost point or relative humidity transmitter
• Primary method chilled mirror sensor requires no recalibration
• Rapid response with no false readings or accuracy drift
• Remote insertion or local wall mount sensor configurations
• Configurable analog outputs and alarm relays
• Bi-directional serial interface
• Powered by 24 Vdc.
 

Measurement and Performance:
Ranges (at 25°C ambient) Dew Point (Standard): -40°C to 60°C (-40°F to 140°F)
Air Temperature (Optional): -40°C to 60°C (-40°F to 140°F)
RH (Optional): 1% to 95%
Accuracy: Dew/Frost Point: ± 0.2°C (± 0.5gr/lb.)
Hysteresis: Negligible
Repeatability: ± 0.05°C dew/frost point (±0.1gr/lb.
Response: 1°C/sec (2.7gr/lb./sec) not including settling time
Flow Rate: Static to 3,000 linear ft./min
Pressure: 100 psig maximum
Functional:
Output: Analog: 2, (4-20 mA / 0-5 VDC to 0-10 VDC selectable)
Serial: 1, (RS-232
Load: 4 to 20mA: 0 to 250 ohms
0 to 5/10 VDC: 1 k ohm or higher
Relay Outputs: 2 programmable alarm relays:
K1: clean mirror / alarm 1
K2: servolock / alarm 2
Contact rating: normally open (NO) 3A at 25 VAC, or 30 VDC
Remote Cable: Dew point: 10 ft. standard, 50 ft. maximum
Air temperature (Optional): 10 ft. standard, 50 ft. maximum
Mirror: Standard, chrome plated
Optional, platinum or stainless steel
2 stages of cooling (TEC) with a depression of 60°C
Power Supply: 24 VDC ± 20%, 1A maximum
EPA Noise Level: < 0.02K
Weight: 3 lbs (1.4kg)
Dimensions: Controller, 5 in. (130 mm) W x 5 in. (130 mm) H, x 4 in. (99 mm) D Dew point probe, 9 in. (230 mm) L x 3 in. (80 mm) D Temperature probe, 10 in. (250 mm) L x 0.4 in. (10mm) D

• Air Make-up for Clean Rooms and Data Centers
• Automotive
• Biologics and Cell Culture
• Critical Purged Atmospheres
• Dryer Efficiency
• Engine Air Intake and Exhaust Testing
• Fluidized Bed Driers
• Food Storage and Packaging
• Glove Box Environments
• High Purity Welding
• HVAC
• Medical Packaging
• Pharmaceuticals
• Wind Tunnels

Item
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SMU Sampling Module (115/230 VAC)
SMU Sampling Module (115/230 VAC)
Compact, self-contained unit, which draws a regulated sample gas flow through the chilled mirror sensor.
Normally ships in 3-4 Weeks
$1,341.00 CAD


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