The STANDGAS PRO LCD TOX is a standalone, programmable detector designed for the detection of toxic gases and oxygen. It employs electrochemical technology for toxic gases and infrared technology for detecting CO2 and A1 safety-grade refrigerants, with additional early detection of hydrogen in battery rooms.

This detector features:

A 16 x 2 line backlit display
Three control keys
Programmable alarm relay output
Internal acoustic alerts

Special Functions for Toxic Gases:

Digital monitoring of sensor status
Automatic hardware status checks
Digital filtering with variable sampling of the sensor’s average values
Automatic temperature compensation for accurate response to temperature changes
Infrared sensors with microprocessor control for temperature compensation, linearization, and calibration parameter storage
Easy installation replacement without needing recalibration or additional gas

Additional Features:

Standalone operation without needing a control center
Mixed functionality: local information and operation with RS485 communication to a control center
IP65 protection grade
Optional universal support for ceiling or floor installation
Optional 230V power charger that can connect 1 to 10 STANDGAS detector units

Available Gases:

Carbon monoxide (CO)
Nitrogen dioxide (NO2)
Ammonia (NH3)
Hydrogen sulfide (H2S)
Chlorine (Cl2)
Carbon dioxide (CO2)
Sulfur dioxide (SO2)
Sulfur hexafluoride (SF6)
Oxygen (O2)
Hydrogen (H2)
Refrigerants: R-507, R-125, R-404a, R-407a, R-407f, R-410a, R-449, R-417a, R-448a, R-227ea, R-1233zd, R-513a, R-422d, R-452a, R-134a (for other gases, please inquire)

Applications:

Pharmaceutical laboratories
University labs
Aircraft industry
Galleries
Distilleries
General refrigeration installations
Livestock farming installations
Boiler rooms
Battery rooms
Car parks or electric buses
General industry
Early detection of hydrogen leaks from lithium-ion batteries

Factory Settings for STANDGAS PRO LCD TOX:

Gas	Installation Height	Range	Prealarm	Alarm	Standby Relay	Reset	Acoustic	Covered Area
Carbon Monoxide (CO)	1.50/2m. Floor	0-300 ppm	50 ppm	70 ppm	Disabled	Auto	Yes	Approx. 200 m²
Nitrogen Dioxide (NO2)	40/50cm. Floor	0-20 ppm	3 ppm	5 ppm	Disabled	Auto	Yes	Approx. 100 m²
Ammonia (NH3)	30/40cm. Ceiling	0-100 ppm	5 ppm	8 ppm	Disabled	Auto	Yes	Approx. 75 m²
Hydrogen Sulfide (H2S)	1.5m. Floor	0-100 ppm	5 ppm	10 ppm	Disabled	Auto	Yes	Approx. 100 m²
Carbon Dioxide (CO2)	1m. Floor	0-20,000 ppm	5,000 ppm	10,000 ppm	Disabled	Auto	Yes	Approx. 100 m²
Oxygen (O2)	1.70m. Floor	0-25%	19%	18%	Disabled	Auto	Yes	Approx. 100 m²
Chlorine (Cl2)	1m. Floor	0-10 ppm	0.5 ppm	1 ppm	Disabled	Auto	Yes	Approx. 100 m²
Sulfur Dioxide (SO2)	30/40cm. Floor	0-20 ppm	2 ppm	5 ppm	Disabled	Auto	Yes	Approx. 75 m²
Hydrogen (H2)	30/40cm Ceiling	0-500 ppm	50 ppm	100 ppm	Disabled	Manual	Yes	Approx. 25 m²

Refrigerant Gases:

Refrigerant Gas	Range	Prealarm	Alarm	Standby Relay	Reset	Acoustic	Covered Area
Refrigerants and SF6	0-2,000 ppm	300 ppm	600 ppm	Disabled	Manual	Yes	Not Specified

Standgas Pro LCD TOX Duran Electronica Technical Characteristics

Technology: Electrochemical / Infrared Sensor + 12-Bit Microprocessor
Supply Voltage:
- Standard: 10V to 24V DC
- RS485 Version: 10V to 15V
Maximum Consumption at 12V DC:
- Standby: Approx. 43 mA
- Acoustic and Relay Activated: Approx. 73 mA
- CO2: 30 mA
- RS485 Version: 127 mA Max.
Communication: RS485
Gas Measurement Range: Refer to Factory Settings Table; Up to 2000 ppm for refrigerants
Resolution:
- Toxic Gases: ±1% F.S.
- Oxygen (O2): ±0.25%
- Carbon Dioxide (CO2): ±1.5%
- Refrigerants: ±1%
Repeatability: ±2% F.S. for most gases; ±0.5% for Hydrogen (H2)
Annual Span Drift:
- Electrochemical Gases: ±<1%
- CO2: ±0.7%
- Refrigerants: ±0.1% F.S.
Stabilization Time: <5 minutes for all specifications
T90 Response Time:
- CO, NO2, SO2, NH3: ≤30s
- H2S: ≤20s
- H2: ≤60s
- O2: ≤15s
- CO2: ≤15s
- Refrigerants: ≤30s
Useful Life (MTBF):
- Electrochemical Gases (NH3, H2S, NO2, CI2, SO2, H2, O2): Approx. 2 years
- CO: Approx. 4 years
- CO2 and Refrigerants: >5 years
Maintenance Periods: Recommended annually or as per current standards
Environmental Conditions:
- Temperature: -10ºC to +50ºC
- Humidity: 15% to 90% R.H. (without condensation)
Atmospheric Pressure Limits: 80 to 110 kPa (0.8 to 1.1 bar)
Alarm Relay: Fuse-protected dry contact switch output, 3A 250V AC
Coverage Area: Refer to Factory Settings Table
Material and Protection Grade: Makrolon & ABS, IP65
Input and Cable Diameter: Cable glands / 6-10 mm²
Dimensions (mm): 120 x 160 x 60
Weight (g): 350

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Standgas Pro LCD TOX Duran Electronica