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Technical content

Features

  • National Institute of Standards and Technology (NIST) traceable, field-replaceable sensor
  • Full Scale (FS) 0 to 100% RH measurement
  • NIST traceable factory calibration
  • User selectable RH and temperature outputs
  • Robust, proven capacitive sensor technology
  • Attractive and rugged packaging
  • 2%, 3% or 5% RH accuracy
  • NIST certification available
  • Versatile temperature measurement
  • Temperature compensated
  • Low cost of ownership
  • Two year warranty HumiTrac™ Relative Humidity/Temperature Transmitters

Applications

  • HVAC/building controls
  • Energy Management Systems (EMS)
  • Enthalpy control
  • Indoor Air Quality (IAQ)
  • Clean rooms
  • Museums/archives
  • Hospitals/labs
  • Refrigeration control
  • Pharmaceutical
  • Swimming pools
  • Animal rooms Amphenol Advanced Sensors

Enhanced Field Serviceability HumiTrac features a National Institute of Standards and Technology (NIST) traceable, field-replaceable sensor tip module that allows the end user to replace the sensor on-site while maintaining ±2% RH accuracy and NIST traceability. The user simply powers off the unit, installs the new sensor module and powers back the unit. All necessary calibration constants are stored in the memory of the sensor module and uploaded to the transmitter instantly. This virtually eliminates the need for time consuming and costly factory calibration, while reducing downtime during service intervals to near zero. Unsurpassed Sensor Performance HumiTrac utilizes a rugged capacitive sensor that provides full-scale 0-100% RH measurement with unsurpassed response times, linearity and stability. Recovery to condensation and chemicals is excellent and an integrated filter, plus conformal-coated module electronics ensure long life. All sensors undergo a ten hour digital calibration, certified against a primary NIST reference standard. Signal conditioned temperature versions maintain specified RH accuracy across the full operating range of -40°F to 140°F (-40°C to 60°C). Maximum Flexibility HumiTrac is designed to be highly configurable in the field or in your warehouse. By minimizing the necessary number of configurations, Telaire reduces distributor inventory costs and provides maximum flexibility to the installer. All versions feature field-selectable outputs (0 to 5V, 0 to 10V, 4 to 20mA) and passive temperature versions incorporate both a 3K and 10K W thermistor. Simple adjustment of slide switches is all that is required. Signal-conditioned temperature versions are available scaled from 32°F to 122°F (0°C to 50°C) or -40°F to 140°F (-40°C to 60°C). Custom ranges are available upon request for high volume applications. HumiTrac is available in humidity accuracies of ±2%, ±3% or ±5%, and offered in wall mount, duct mount and outdoor air configurations. Rugged, Attractive Enclosures All HumiTrac configurations feature rugged flame retardant, UL-94V ABS plastic. Duct and outdoor air versions provide excellent weather resistance (IP42 rated). Special care has been taken in the design of the wall mount enclosure to provide enhanced airflow, increasing sensor response time and virtually eliminating the potential of “self-heating” by transmitter electronics that can lead to decreased accuracy measurements. Simple, Fast Installation All HumiTrac models feature large removable, pluggable terminal blocks, eliminating the need to wire in a confined space and allow the unit to be pre- wired separate from the electronics—an especially attractive feature in unfinished construction, where exposed sensors and electronics could be damaged by moisture, drywall dust and paint. All models incorporate a retaining wire that attaches the cover to the base, allowing the installer to wire the unit without using an extra hand to hold the cover. Lowest Cost of Ownership With a two-year warranty*, simplified inventory management, reduced installation times and field- serviceability, HumiTrac sets the standard in reduced cost of ownership and performance-to-price ratio. *Transmitter only, one year warranty on replaceable sensor.

  • -40°F to 140°F (-40°C to 60°C)
  • 0% to 99% RH (non-condensing) Storage Temperature -67°F to 185°F (-55°C to 85°C) Humidity Sensing Element Capacitive polymer sensor Accuracy at 71.6°F (22°C)
  • ±2% version: ±2% 10 to 90% RH ±5% 0 to 10% & 90-99% RH
  • 3% version: ±3% @ 10 to 90% RH
  • 5% version: ±5% RH @ 0 to 99% RH *Includes hysteresis, linearity and repeatability Long Term Stability Less than 1% drift per year, typical Temperature Effect Delta %RH = (0.0014 x %RH + 0.1325) x T°C - Not applicable to signal-conditioned temperature units. Repeatability See accuracy statement Linearity See accuracy statement Hysteresis ->90%RH 1h ->30%RH, Vair = 2m/sec) Signal Outputs 4 to 20mA, 0 to 5V or 0 to 10V (user selectable) Duct Mount Outside Air Mount Case: ABS flame retardant IP42 rated Space (Wall) Mount Case: ABS flame retardant Duct Mount Case: ABS flame retardant IP42 rated Probe: Stainless steel 3.80 in (96.3 mm) 2.75 in (70 mm) 4.70 in (119.2 mm) 6.38 in (162 mm) 1/2 in (12.7 mm) conduit knockout 2 places 3.80 in (96.3 mm) 4.70 in (119.2 mm) 3.52 in (89.5 mm) 4.70 in (119.2 mm) 4.70 in (119.2 mm) 3.80 in (96.3 mm) 1.28 in (32.4 mm) Cover Base Wiring access 0.46 in (11.7 mm) 2.75 in (70 mm) 8.80 in (223.7 mm) Outside Air Mount Space (Wall) Mount

Temperature-Direct Connection Thermistor Sensing Element

  • 10K W thermistor at 77°F (25°C)
  • 3K W thermistor at 77°F (25°C) Signal Output Direct connection, user selectable between 3K or 10K Accuracy Refer to DC95F103W (10K) and DC95F302W (3K) from Telaire Active Temperature Output Calibration Accuracy at 71.6°F (22°C) ±0.5°F (±0.3°C) Long Term Stability Less than 0.2°F drift per year Sensor Interchangeability ±0.5°F (±0.3°C) Signal Outputs 4 to 20mA, 0 to 5V or 0 to 10V (user selectable) Power Requirements Supply Voltage 12 to 30 VDC Maximum Load (current output only) W = Supply Voltage-10 0.02 HumiTrac Specifications General Protection IP42 rating for Duct Mount and Outside Air Transmitters

Ordering Information

5% 3% 2% 2% with NIST Certificate Space (Wall) Mount) RH only P40250121 P40250181 P40250109 P40250139 RH and 3/10K W thermistor P40250122 P40250182 P40250110 P40250141 RH and Active Temperature 32°F to 122°F (0°C to 50°C)* P40250123 P40250183 P40250111 P40250142 RH and Active Temperature -40°F to 140°F (-40°C to 60°C)* P40250125 P40250184 P40250112 P40250143 Duct Mount RH only P40250129 P40250190 P40250117 P40250147 RH and 3/10K W thermistor P40250130 P40250191 P40250118 P40250149 RH and Active Temperature 32°F to 122°F (0°C to 50°C)* P40250131 P40250192 P40250119 P40250150 RH and Active Temperature -40°F to 140°F (-40°C to 60°C)* P40250133 P40250193 P40250120 P40250151 Outside Air RH only P40250126 P40250185 P40250113 P40250144 RH and 3/10K W thermistor P40250127 P40250186 P40250114 P40250145 RH and 1000 PRTD -40°F to 140°F (-40°C to 60°C)* P40250128 P40250189 P40250115 P40250146 Replaceable Sensor Tip (RH Only) P40254276 P40254277 P40254275 N/A *Signal conditioned temperature output corresponding to 4 to 20 mA, 0 to 5V or 0 to 10V (user selectable) AAS-920-138C-03/2014 www.amphenol-sensors.com © 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. Amphenol Advanced Sensors