Wireless Basic Gen 2 Duct Temperature Sensor

  • Part #:RFB-0227-2
  • Weight:0.7 oz
  • Availability: Inquire

Price: $126.00
Price: $170.10


Scigiene NIST Traceable Calibration Certificate Available for this Product – Contact your Account Manager for Pricing

This Basic Gen2 900MHz Duct Temperature Sensor uses a NTC type thermistor probe with an 8' UL listed plenum cable to accurately measure temperatures in duct work, while maintaining a sealed environment. Can be easily installed and mounted for long term use.


  • Superior Wireless Range 1,200+ ft non-line-of-sight through 12+ walls*
  • 4” wire antenna
  • At 1 hour heartbeat setting, coin cell battery will last ~ 1-2 Years**
  • Encrypt-RF® Security (256-bit key exchange and AES-128 CTR) 
  • FCC and IC certified
  • The software also has multilevel passwords and the highest level encryption to meet 21CFR part 11 compliance
  • User defined thresholds for alerts and notifications
  • Mounting Tape & Mounting screws included
  • ABS Enclosure


Temperature Measurement


 Range - Leaded sensor

-40°C to 150°C (-40°F to 302°F)

 Accuracy @ 0°C (32°F)

± 1°C (±1.8°F)

 Calibrated accuracy @ 0°C (32°F)

± 0.25°C (± 0.45°F)


0.1°C (0.18°F)

Leaded Probe




Transducer type

NTC Thermistor

Tip dimension

6.35 mm (0.25") diameter by 101.6 mm (4")

Tip material

Type 304 stainless steel

Cable material


Cable diameter

3.18 mm (.125")

Cable length options

Standard length: 2.4 m (8 ft)

Gen 2 Wireless




Data logging

Sensor logs 2000 to 4000 readings if gateway connection is lost

Wireless protocol

Gen 2 Proprietary Frequency-Hopping Spread Spectrum (FHSS)

Wireless transmission power (EIRP)

50 mW (900MHz), 25 mW (868 MHz), 10 mW (433 MHz)

Wireless range

2,000+ ft. through 18+ walls with the ALTA XL® Gateway


Encrypt-RF® (256-bit key exchange and AES-128 CTR)









Battery voltage range

2.0 to 3.8 VDC

Operating altitude (non-pressurized environments)

-15.2 to 1,982 m (-50 to 6,500 ft)2

Storage altitude (non-pressurized environments)

-15.2 to 3,048 m (-50 to 10,000 ft)2

Operating humidity

5 to 85% RH (non-condensing)

Certifications900 MHz sensors: FCC ID: ZTL-G2SC1 and IC: 9794A-G2SC1. 

1. Response time defined as five time constants for 99.3% of actual temperature.

2. Operating and storage altitude without DC power supply is -30.48 to 9144 m (-100 to 30000 ft).


Additional Information

* Actual range may vary depending on environment

** Battery life is determined by sensor reporting frequency and other variables

*** Hardware cannot withstand negative voltage. Please take care when connecting a power device. 

Technical Information

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