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DewTrace Chilled Mirror Hygrometer
Brand: Edgetech Instruments
The DewTrace is a high precision, bench top, laboratory standard dew/frost point hygrometer capable of measuring very low frost points using the primary method chilled mirror measurement technique.
It incorporates novel ice nucleation technology to reach low frost points in minutes, giving it superior performance over a wide dynamic range from ambient to trace moisture concentration levels.
Based on the proven Edgetech Instruments DewMaster platform configured with the X3 chilled mirror sensor, the DewTrace is primarily designed to measure trace moisture in gas streams to -95°C frost point or lower, but can be configured to measure ambient levels of moisture to 95% RH.
Features- Chemically resistant, fast response X3 sensor
- Nucleation system for fast, low frost point measurement
- Automatic Balance Control corrects for mirror contaminants
- Pressure and temperature sensors included for parameter conversion
Specifications
Brand
Sensors
- X3LC: Liquid cooled. Frost point range, -75° to 95° C Depression, 115° C. Secondary cooling, 0° to 20° C
- X3CC: Liquid cooled. Frost point range, -90° to 95° C Depression, 125° C. Secondary cooling, -20° to 0° C
Sensor Materials
- Chromium, glass, epoxy, 316 stainless steel
Accuracy, All Sensors
- ± 0.2° C (0.36° F) dew/frost point standard
- ± 0.1° C (0.18° F) dew/frost point optional
- ± 0.5 % of Full Scale pressure
Display Resolution
- 0.1° C or °F
- 0.01 psia
- 0.1 ppmv below 1000 ppmv
- 1 ppmv above 1000 ppmv
Weight
- 27 lbs (12.5 kg)
Dimensions
- 11 in. W x 11.5 in. H x 21 in. D
- (28 mm W x 29 mm H x 54 mm D)
Mounting
- Bench-top
Power Requirements
- 90 to 230 Vac ± 10 %, 50 to 400 Hz
Operating Temperature
- Control Unit: -10° to 60° C (15° to 140° F)
- Sensors: -40° to 100° C (-40° to 212° F)
Auxiliary Coolant
- To augment temperature depression capability of sensor when necessary
- Water (or other liquid): 0.5 gal/min (2 l/min) at 100 psia Max.. Contact Edgetech Instruments for availability of auxiliary cooling systems
Sample Flow Rate
- 0.5/5.0 SCFH (0.25 to 2.4 l/min)
Outputs (Multiple Outputs available)
- 4-20 mA, 0 to 5 Vdc, RS-232, Bluetooth and datalogging options available
Track or Hold
- Outputs (analog and digital) and alarms can be set to track or hold while in Automatic Balance Control or programming mode (-148 to 212° F) from keyboard or via RS-232. Alarms can be latched or unlatched.
Alarms
- Two Form C, SPDT alarm relays rated for 3 A at 24 Vdc, 120 Vac. Alarm mode (high or low) programmable from keyboard or RS-232. Alarm set points programmable from -99.9 to 99.9° C
Display
- 8 line LCD graphic data display, backlight 3 parameters display simultaneously
- Aeronautics
- Environmental Chambers
- High Purity Welding
- Metrology
- NIST Tracible Measurement in Metrology and Calibration Labs
- Pharmaceuticals
- Scientific Study
- Wind Tunnels