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Ammonia-NH3 Sensors Used in Animal Husbandry Farm

Texas dairy explosion leaves at least 18,000 cattle dead, 1 person critically injured(News Source:Foxnews)

The Castro County Sheriff’s Office confirmed with Fox News Digital that the cows were in a holding area before being brought in for milking when the blast occurred at the Southfork Dairy Farm in Dimmitt.

Very few cows in the holding area survived, officials told local outlet KFDA. 

Smoke is visible a day after a massive explosion at a Texas dairy farm that left one person critically injured and 18,000 cattle dead. (Castro County Sheriff's Office)

The waste of farm animals not only has adverse effects on livestock and poultry itself, but also poses a serious threat to the surrounding environment. Livestock and poultry farming is a major emitter of ammonia gas, and after the ammonia gas reacts with the oxidation products of sulfur dioxide and nitrogen oxides, it will produce ammonium nitrate and ammonium sulfate, which are important sources of toxic particulate matters.

Ammonia gas is often adsorbed or dissolved on wet walls and floors, which is highly irritating and corrosive to the mucous membranes and skin of livestock and poultry. After ammonia enters the blood, it reduces the amount of dissolved oxygen in the blood and reduces the resistance of livestock and poultry. Long-term exposure to ammonia concentrations of 10-15 mg/kg will significantly reduce the stress resistance of animals. In addition, Ammonia (NH3) is a colorless gas with a strong, noticeable smell; the harmful and poisonous air inhale can also harm the human and induce various diseases.

Establishing scientific detection, monitoring and processing system for ammonia in livestock and poultry houses provides important technical support for energy saving, pollution emission and efficient production.

Winsen is a manufacturer combined with R&D and sales of gas sensors, providing sensors for the long-term existence of NH3, SO2, H2S,CO2 and other gases in aquaculture and harsh environment. Winsen provides a variety of high performance toxic gas sensors for animals husbandry, livestock, hog and poultry farms, chicken farms, cattle farms, accurately monitoring the ammonia, hydrogen sulfide gas in the environment.

Types of Ammonia Gas Sensors according to technology principle

  • Electrochemical Ammonia Sensor
  • Semiconductor Ammonia Sensor

Ammonia NH3 Gas Sensors to Recommend

ME3-NH3 Electrochemical Gas Sensor

ME3-NH3 sensor detect ammonia gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law. It has feastures of high precision, high sensitivity, wide linear range, good anti-interference , excellent repeatability and stability, widely used in farms, industrial and environmental protection fields.

Detection gas NH3
Measurement Range 0-100ppm
Maxrange 200ppm
Sensitivity (80-160)µA/ppm
Resolution ratio 0.5ppm
Response time(T90) ≤60S
Output Linearity linear
Anticipatedwork life  2 years

UE-NH3 Electrochemical Gas Sensor

UE-NH3 long-acting ammonia sensor is a constant potential electrolytic electrochemical sensor. Ammonia undergoes an oxidation-reduction reaction inside the sensor and releases electric charges to form a current. The concentration of ammonia can be determined by measuring the magnitude of the current. UE-NH3 is used to detect and monitor ammonia in animal husbandry, industry, and environmental protection etc.

Detection gas Ammonia NH3
Measurement Range 0-100ppm
Max detecting concentration 200ppm
Sensitivity (80-160)nA/ppm
Resolution ratio 0.5ppm
Response time(T90) ≤120S
Output Linearity linear
Anticipated work life 5 years(in air)

ME4-NH3 Ammonia Gas Sensor

ME4-NH3 ammonia gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with ammonia gas take place inside of the sensor. Low power consumption, high precision, high sensitivity, wide linear range, good anti-interference ability, excellent repeatability and stability. For ammonia gas detection in industrial occasions and environmental protection field.

Detection Gas Ammonia Gas(NH3)
Detection Range 0-50ppm
Max range 200ppm
Sensitivity (0.12±0.03)µA/ppm
Resolution 0.1ppm
Response Time(T90) ≤90S
Anticipated work life 2 years (2ppmNH3 )  

Electrochemical Detection Module ZE03

ZE03 is a general-purpose and high-performance electrochemical module. It uses three electrodes, electrochemical gas sensor and high-performance micro-processor. By installing different gas sensor, the module could detect relevant gas. It has the digital output and analog voltage output at the same time which facilities the usage and calibration and shorten the development period. It is a combination of mature electrochemical detection principle and sophisticated circuit design, to meet customers’ different detection needs. The module is calibrated in factory.

Model No. ZE03
Target Gas CO, O2, NH3, H2S, NO2, O3, SO2, CL2, HF, H2, PH3, HCL..
Measurement Range NH3(0-100)ppm H2S (0-100)ppm SO2(0-20PPM)...
Working Voltage DC5±0.1V
Working Current <10mA
Output Data UART Output (TTL electrical level,3V)/Analog Voltage
Working Life 2 years (in clean air)

MQ137 Ammonia Gas Sensor

MQ137 gas sensor has high sensitivity to NH3 gas, also can monitor organic amine such as trimethylamine, cholamine well. It can detect kinds of gases including ammonia and a kind of low-cost sensor with advantages of long lifespan, low cost and simple drive circuit. Sensitive material of MQ137 gas sensor is SnO2, which with lower conductivity in clean air. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit.

Model MQ137
Sensor Type Semiconductor
Standard Encapsulation Bakelite, Metal cap
Target Gas Ammonia Gas(NH3)
Detection range 5-500ppm NH3
Standard Circuit Conditions Loop Voltage Vc 5.0V±0.1V  DC
Heater Voltage VH 5.0V±0.1V AC or DC
Load Resistance RL Adjustable

Other Related Sensors

Winsen also has other gas sensors popular used in intelligent farming

ME3-H2S Hydrogen Sulfide Gas Sensor

Detection gas Hydrogen Sulfide (H2S)
Detection range 0-100ppm
Max range 500ppm
Sensitivity (0.8±0.15) µA/ppm
Resolution 0.1ppm
Response time (T90) <30S

MH-Z14B NDIR CO2 Module

Model No. MH-Z14B
Detection gas CO2
Working Voltage DC (5.0±0.1)V
Average Vurrent < 60 mA(@5V power supply)
Peak Vurrent 150 mA(@5V power supply)
Interface Level 3.3 V (Compatible with 5V)
Measuring Range 0-10000ppm (max 50000ppm extended)
Output Signal UART (TTL 3.3V) /PWM
Life span >10 years

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