900 MHz Wireless Transmitter

The TracXP TXP-WTA wireless gas transmitter is available using a robust 900 MHz radio frequency to meet your most demanding communication requirements. The TXP-WTA can be configured in single or dual sensor configurations to allow redundant readings for critical operations or monitoring combination gases. The TXP-WTA’s smart sensors allow changing sensor types quite easily and utilizes the same sensors as our TXP-T40 wired transmitters. The TXP-WTA also supports integral and remote sensor options. Intuitive non-intrusive magnetic interface makes set up and programming quick and easy. Power options include standard 3.6V disposable Lithium battery for portability or a 12–24 VDC power option for longer term or permanent installations.

Key Features
• Robust 900 MHz
• Operates on “D” lithium battery (Std.)
• Optional 12-24 VDC power board
• 4-20 mA input option
• Dual sensor capable w/ integral &
remote sensor options
• Magnetic mount option
• Class 1, Div. 2 standard
• Five LED indication (3) alarms (2)
communication status
• Password provides menu security
• Multiple antenna options

• Oil & Gas
• Pipeline compression
• Refining & chemical production
• Water / waste water
treatment plants
• Food & beverage facilities
• Metal manufacturing
• Pulp & paper
• Power generation
• General industry

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General Specifications

Detector Specifications
Size5”(L) x 5.4”(W) x 8”(H) Aluminum Housing 4”(L) x 5”(W) x 7”(H) Poly Housing
Shipping Weight6.5 lbs. (3 k.) Aluminum Housing 3 lbs. (2 k.) Poly Housing
Power SupplyDisposable, Internal D-Cell Lithium Battery 12 - 24V DC Option
InputSingle Or Dual Electrochemical or Infrared Sensors Input capable 4-20 mA Input Option
Standard OutputFrequency-Hopping Spread Spectrum (FHSS) Wireless Modem w/ Data Encryption 900MHz Power Adjustable From 10mW To 1.0 watt/0-30dBm 2.4GHz Output Set At 125mW/21dB
Display64 x 128 Pixel LCD w/ 30-Minute Trend Baragraph & Engineering Units Display
Tempurature-40°F to 131°F (-40°C to +55°C) *See Sensor Specs
Humidity0-95% RH Non-Condensing
ApprovalsFCC 15.247 & Industry Canada (IC), CSA Certified for Class 1, Division 2 Hazardous locations
Performance▪ 2.4GHz freq. range: 2400 - 2483.5 MHz w/ 42 hops ▪ 2.4GHz indoor range: Up to 1500 feet w/ 7dBi collinear antenna ▪ 2.4GHz outdoor RF LOS range: Up to 2 miles with high-gain antenna ▪ 900MHz frequency range: 902 - 928 MHz w/ 50 hops ▪ 900MHz indoor/urban range: Up to 3000 feet w/ 2dBi dipole antenna ▪ 900MHz outdoor RF LOS range: Up to 2-3 miles w/ high-gain antenna
Sensor Options
Gas Options
Ammonia (NH3)
Arsine (AsH3)
Carbon Dioxide (CO2)
Carbon Monoxide (CO)
Chlorine (Cl2)
Chlorine Dioxide (ClO2)
Combustibles (IR)
Ethylene Oxide (C2H4O)
Formaldehyde (CH2O)
Hydrogen (H2)
Hydrogen Chloride (HCl)
Hydrogen Cyanide (HCn)
Hydrogen Fluoride (HF)
Hydrogen Sulfide (H2S)
Nitric Oxide (NO)
Nitrogen Dioxide (NO2)
Oxygen (O2)
Ozone (O3)
Phosphine (PH3)
Sulfur Dioxide (SO2)
Vinyl Chloride (C2H3Cl)
4 -20 mA input option
NameModel Number
Controller / ReceiverTXP-WCR
Dual Sensor OptionTXP-WTA

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