Contact
1-888-788-8050 info@pureaire.net
Search icon
Account
Login Create account
Cart icon 0
Search icon Account Cart icon 0
Back
Chlorine Gas Detector
Phosphine Gas Detector
Phosphine Gas Detector
Chlorine Gas Detector
Search icon

Phosphine Gas Detector

Available Product Options. Please choose from the menu below | In stock

$2,385.00

Product Summary

The PureAire Phosphine Fixed Gas Detector offers continuous, real-time monitoring of phosphine (PH₃) gas, delivering precise detection in critical environments where safety and reliability are non-negotiable. With a dedicated electrochemical sensor calibrated in parts-per-million (ppm), the detector is designed to quickly identify phosphine leaks before they pose a serious threat.

Phosphine is widely used in the semiconductor industry, particularly in doping processes during the fabrication of integrated circuits and photovoltaic devices. Due to its high toxicity and flammability, phosphine presents significant safety risks, even at low concentrations, which is why accurate gas detection is essential in cleanrooms, gas cabinets, and wafer processing areas.

PureAire’s phosphine sensors are engineered to last up to 8 years in controlled manufacturing environments. They are also rechargeable on-site with electrolyte, reducing maintenance time and lowering the total cost of ownership.

For semiconductor fabs and advanced manufacturing facilities, PureAire delivers a robust, low-maintenance phosphine detection system that protects personnel, equipment, and the integrity of high-precision production lines.

Please note that because of the nature of this product, the lead time is typically 2-3 days but may be up to one week. We will make every effort to ship your order as soon as possible.
  • Transmitter connects to any PureAire toxic or corrosive gas sensor
  • Plug & play sensor sets the transmitter gas & measurement range
  • Dual-level user-adjustable alarm relays
  • 4-20mA analog output (Active)
  • Built-in horn & visual alarm LEDs
  • Electronics continuously check the sensor & system status
  • Low-cost, long-life renewable sensor
  • Quick, easy sensor calibration
  • Optional remote cable for monitoring up to 30 feet from the transmitter
  • Connects to PLC or SCADA controller
  • UL, CUL, and CE Approvals
  • 24V DC Power supply included
  • Available without a built-in horn – 99065. Please contact PureAire for ordering information: 847-726-6000

The PureAire Phosphine Fixed Gas Detector is a compact gas monitor that’s ideal for protecting workers from toxic and corrosive gas exposure in the workplace. It consists of a transmitter/controller connected to a dedicated, renewable phosphine gas sensor that automatically inputs the gas and measurement range. Designed as a stand-alone monitor, the Phosphine Fixed Gas Detector can also be connected to any programmable logic controller or SCADA system. PureAire also manufactures toxic gas detectors with a remote sensor. 

The heart of the system is a smart, renewable phosphine sensor cell programmed with gas and measurement range information. When servicing the phosphine sensors, they can be recharged with fresh electrolyte and dynamically gas-calibrated in the maintenance shop away from the transmitter.

 

Sampling Method Diffusion. (Optional: sensor can be remote up to 30 feet from the transmitter)
Other Available Gases ammonia, bromine, chlorine, fluorine, hydrogen bromide, hydrogen chloride, hydrogen cyanide, hydrogen fluoride, hydrides, hydrazine, nitrogen dioxide, phosphine, and sulfur dioxide. For additional gases, please contact PureAire.
Accuracy ± 10% of full scale
Operating Temperature -25 to +122F (-32 to +50C)
Sensor Type Renewable electrochemical self-checking sensor with built-in microprocessor
Sensor Life 3 to 8 years under normal conditions
Gas concentration indicator Built-in LCD digital display, (backlit) Displays: Gas Name & ppm concentration, AL1, AL 2, System Fault messages.
Signal Outputs 4-20 mA analog output (Active), Dual Level Alarm Relay Contacts
Power Requirements

24 VDC

80 mA
Dimensions 5.12(W) x 8.25 (H) x 3.20 (D) inches; (120 x 209 x 81 mm)
Weight 1.2 lbs. (.5 kg)
Enclosure Polycarbonate UL-listed general-purpose
Country of Origin USA
Harmonized Tariff Code 8531.10.0045

Low Annual Operation Cost Without Sacrificing Safety

The PureAire Phosphine Gas Detector offers unmatched reliability at the lowest annual maintenance cost on the market. Unlike traditional disposable sensors, our renewable phosphine sensors can be quickly recharged with electrolyte right in the field, at just 20% of the cost of standard sensor cell replacements. With routine maintenance supplies averaging $70 per year, this detector delivers industrial-grade performance while saving you hundreds of dollars annually.

Truly Stand-Alone. Instantly Operational.

Setup is effortless with the PureAire Phosphine Gas Detector. It’s a fully self-contained system, requiring no external controllers. Simply mount it near the hazard zone, plug it into any 115VAC or 220VAC outlet, and start monitoring. If phosphine is detected, the built-in horn and LED alarm indicators provide immediate alerts. The unit also features dedicated alarm and fault relays, plus a 4–20mA analog output for seamless communication with your PLC or SCADA system.

Smart, Self-Monitoring Electronics

This detector doesn’t just monitor gases—it monitors itself. Equipped with 24/7 continuously supervised electronics, the system instantly alerts personnel of any internal fault via analog output and fault relay. The sensor’s onboard microcontroller stores calibration data, allowing for quick, easy removal and reinstallation during routine maintenance. Once reconnected, it automatically syncs with the transmitter—no reprogramming required.

Efficiency Meets Reliability

From fast setup to low-cost upkeep and smart self-checks, the PureAire Phosphine Gas Detector is built to simplify your safety program while maximizing operational uptime. It’s the dependable, budget-friendly solution for facilities that need to monitor phosphine gas with confidence.

Universal Gas Detector Literature

Universal Gas Detector Manual

Explosion-Proof EPU Gas Monitor Literature

Comparison PMS vs Disposable 1 pt

Gases We Detect

Calibration Cap for Gas Sensors

Calcap

Bulk Head Mount

BULKHEADSAMPLEMOUNT_02_01

Horn & Strobe

CloudConnect

8-Channel Programmable Controller for Oxygen, Carbon Dioxide, or Toxic/Combustible Gas Monitors

8-Channel Controller

Targeted Detection

Configured specifically for Phosphine monitoring to support site safety programs.

Continuous Monitoring

Designed for around-the-clock detection to help identify leaks or unsafe conditions early.

Integration Ready

Built to fit typical facility alarm and monitoring workflows (local alerts and system integration).

Application Flexibility

Suitable for facilities including labs, manufacturing, and gas handling areas.

A toxic gas detector continuously monitors the air for harmful gases, including carbon monoxide, chlorine, ammonia, and hydrogen sulfide. It warns personnel before levels reach dangerous concentrations. Toxic gas detectors protect workers from low-level poisonous gases (in the ppm range) that can cause immediate or long-term health effects.

The most common include:
• Carbon monoxide (CO) – parking garages, boiler rooms
• Hydrogen sulfide (H₂S) – oil & gas, wastewater treatment
• Chlorine (Cl₂) – water treatment, chemical plants
• Ammonia (NH₃) – refrigeration, food processing
• Nitrogen dioxide (NO₂) – vehicle maintenance facilities
• Sulfur dioxide (SO₂) – power plants, refineries
• Ozone (O₃) – semiconductor, pharmaceutical industries
• Refrigerant gases (classified as A1, A2L, B2L, A3) – HVAC systems, supermarkets, cold storage, data centers

• Electrochemical sensors: Accurate, low-level detection; best for most toxic gases (CO, H₂S, Cl₂, NH₃).
• PID (Photoionization Detectors): Detects volatile organic compounds (VOCs) and low-level hydrocarbons.
• NDIR (Non-Dispersive Infrared): Used more often for CO₂ or gases that absorb infrared light. NDIR sensor cells are highly effective for detecting refrigerant gases across classifications A1, A2L, B2L, and A3.

• CO: 0–100 ppm, 0–1,000 ppm
• H₂S: 0–30 ppm, 0–200 ppm
• Cl₂: 0–1 ppm, 0–3 ppm, 0–10 ppm, 0–50 ppm, 0–200 ppm
• NH₃: 0–75 ppm, 0–100 ppm, 0–200 ppm, 0–300 ppm, 0–1,000 ppm
• NO₂: 0–2 ppm, 0–9 ppm, 0–15 ppm, 0–20 ppm
• SO₂: 0–15 ppm, 0–20 ppm
• O₃: 0–0.3 ppm, 0–1 ppm, 0–3 ppm, 0–300 ppm
• Refrigerant gases (A1, A2L, B2L, A3 classifications): 0–500 ppm, 0–1,000 ppm, 0–5,000 ppm

• Oil & gas: H₂S monitoring in drilling and refining
• Water/wastewater treatment: Chlorine and H₂S detection
• Food & beverage: Ammonia refrigeration monitoring
• Laboratories & pharma: VOC and toxic gas detection
• Manufacturing & automotive: CO and NO₂ monitoring
• Power generation: SO₂ monitoring in flue gas areas
• HVAC, supermarkets, cold storage & data centers: Refrigerant leak monitoring (A1, A2L, B2L, A3 gas classifications)

Consider:
• The specific gas hazards in your facility
• Sensor type (electrochemical, PID, NDIR, etc.) based on gas and concentration range
• Installation environment (indoor, outdoor, temperature/humidity conditions)
• Compliance needs (OSHA, IFC, local codes)
• Integration with alarms, PLCs, or cloud monitoring systems like PureAire’s CloudConnect

• Electrochemical sensors: Every 6–12 months
• PID sensors: Every 3–6 months
Always follow the manufacturer’s recommendation and perform bump tests for safety.

• LEL: Percentage of gas concentration at which ignition becomes possible. Combustible detectors typically measure 0–100% LEL.
• PPM (parts per million): A finer measurement, usually used for toxic gases rather than combustibles.

Yes, in most cases. Some gases, such as hydrogen sulfide (H₂S), carbon monoxide (CO), and ammonia (NH₃), pose toxic risks at very low concentrations (ppm levels) and combustible risks at higher concentrations (% LEL).
• A toxic gas detector is needed to protect worker health by alarming at ppm exposure limits set by OSHA and other agencies.
• A combustible gas detector is needed to prevent explosions or fires when gas levels approach the Lower Explosive Limit (LEL).

Since the alarm thresholds and sensor technologies differ, a single detector usually cannot provide both types of protection. Many facilities use both toxic and combustible gas detectors for full coverage, often integrated into a single safety system.  This system can activate building ventilation and advanced warning systems when gas levels reach dangerous concentrations.

If a gas is toxic at low ppm and combustible at higher % LEL, you may need dual detection — one detector set for ppm exposure, another for explosion hazard. Sensor selection depends on whether the primary risk is worker health, explosion, or both.