SSI-ICThe metabolic chamber based respiratory metabolism measurement system for livestock and poultry is composed of a metabolic chamber（Indirect Calorimetry Chamber）The system consists of an airflow control system, a multi parameter gas analysis system (including carbon dioxide analyzer, oxygen analyzer, water vapor analyzer, methane analyzer), and a data acquisition and analysis system. It is used to accurately measure the energy metabolism level and greenhouse gas emissions of various large, medium, and small domestic animals such as cattle and sheep. It is widely used in livestock and poultry nutrition metabolism, genetic breeding, animal physiological ecology, phenotype omics research, etc.

Main functional features:

1)Modular structure, capable of single channel measurement and expandable multi-channel measurement

2)The metabolic chamber can be customized according to the size of livestock and poultry, as well as the research objectives of customers

The left figure is a schematic diagram of a small metabolic chamber design, suitable for calves and adult sheep, etc; The diagram on the right shows the design of a medium to large metabolic chamber (for reference only, the actual metabolic chamber design will be customized based on on-site inspection)

3)standard configurationCO₂andO₂Analysis, used to measure oxygen consumption rate andCO2Generate rates and analyze energy metabolism levels under different conditions based on them; Optional methane analyzer (for measuring methane emissions from ruminants), water vapor analyzer, etc

4)Thermo-RGBMonitoring system that uses infrared thermal imaging technology to monitor real-time changes in body temperature of different parts of animals

5)Optional implantable physiological data collector can be used to collect animal body temperature, heart rate, and activity status. In addition, an external wearable animal activity and temperature recorder can also be selected

6)Equipped with weighing and environmental monitoring systems for monitoring body weight, temperature and humidityCO2Regarding lighting, etc

Technical indicators:

1.Oxygen analyzer and measuring instrument:

a)Measurement technology: Fuel cell principle oxygen sensor, temperature and pressure compensation; Optional paramagnetic technology or differential oxygen analyzer;

b)range0-100%(Users can customize settings)5Grade), accuracy0.1%（O2concentration2-100%Time);

c)resolution0.0001%O2Drifting< 0.01%Every hour (under constant temperature);

d)Response time less than7Seconds;24Hourly drift below0.01％；

e)20Minute noise below0.002％pk-pkDigital filtering (noise)0-50Adjustable in seconds, amplification0.2Seconds;

f)built-inA/DConverter resolution16bits；

g)Temperature sensor measurement range0-60℃, accuracy0.2℃, Resolution0.001℃；

h)Atmospheric pressure measurement resolution0.0001kPaThe accuracy is based on the reading1%；

i)Applicable traffic range5-2000mL/min，4Channel analog signal output（0-5V BNC）Can output oxygen concentration, atmospheric pressure, temperature, user-defined; Digital output:RS-232；

j)Two lines of textLCDDisplay screen with backlight, capable of simultaneously displaying oxygen content and air pressure;

k)power supply12-15VDC，25-150mAEquipped with an AC adapter;

l)Working temperature:0-50℃No condensation;

m)weight2.8kg; Size31cm×10cm×34cm

2.Carbon dioxide analyzer:

a)Measurement technology: Dual wavelength colorless dispersive infrared gas analyzer, measuring range0-5%(Users can customize settings)9One level, customizable for other ranges);

b)The accuracy is based on the reading1%, Resolution0.0001%（1ppm）； drift<0.001%Every hour (under constant temperature);

c)Response time less than0.5Seconds;24Hourly drift below0.002％；20Minute noise< 1 ppm RMS；

d)Digital filtering (noise)0-50Adjustable in seconds, amplification0.2Seconds;

e)built-inA/DConverter resolution16bits; Digital output:RS-232Temperature and pressure compensation;

f)Atmospheric pressure measurement resolution0.001kPaThe accuracy is based on the reading1%；

g)Applicable traffic range5-2000mL/min；

h)4Channel analog signal output（0-5V BNC）, can output carbon dioxide concentration, atmospheric pressure, temperature, user-defined;

i)Two lines of textLCDDisplay screen with backlight, capable of simultaneously displaying oxygen content and air pressure;

j)power supply12-15VDC，175-250mAEquipped with an AC adapter;

k)Working temperature:0-50℃No condensation;

l)weight2.8kg, size31cm×10cm×34cm

3.RH-300Water vapor measuring instrument (optional):

a)Measurement technology: principle of thin film capacitance, range0-100%RH, accuracy1%, Resolution0.001%RH；

b)Dew point temperature range-40arrive40℃, accuracy0.5℃, Resolution0.002℃；

c)Range of water vapor density0-10ug/ml, Resolution0.0001ug/ml；

d)Water vapor pressure range0-20000Pa, Resolution0.01Pa（0-1000PaTime);

e)drift<0.01%RHEvery hour (under constant temperature);

f)power supply12-15VDC，175-250mAEquipped with an AC adapter;

g)Working temperature:0-50℃No condensation;

h)Applicable traffic range5-2000mL/min；

i)3Channel analog signal output（0-5V BNC）, can output relative humidity of water vapor%RHDew point temperature (unit)℃perhaps℉）Water vapor partial pressure (unit)kPaperhapsug/mL）；

j)Digital output:RS-232；

k)Two lines of textLCDDisplay screen with backlight;

l)weight1kg, size18cm×10cm×18cm

4.Methane analyzer (optional):

a)Dual wavelength infrared technology, pressure compensation, measurement range0-10%Optional high-sensitivity laser gas detection methane analyzer

b)resolution1ppm; Accuracy1%Applicable airflow5-2000ml/minute;

c)Noise less than3ppmDrift below0.002%Every hour (under constant temperature);

d)Temperature measurement accuracy0.2℃, Resolution0.001℃Atmospheric pressure measurement resolution0.0001kPaThe accuracy is based on the reading1%；

e)Two lines of text and numbersLCDDisplay screen with backlight, capable of displaying simultaneouslyCH4Content and pressure;

f)16bitResolution, with digital filtering (noise); Digital output:RS-232

g)4Channel analog signal output（0-5V BNC）Can output methane concentration, atmospheric pressure, temperature, user-defined;

h)Working temperature:18-32℃No condensation;

i)power supply12-15VDC，170-250mAEquipped with an AC adapter;

j)size31x10x34cm; Weight2.8kg

5.Gas flow control:

a)Built in air pump, mass flow meter, secondary sampling, secondary sampling flow meter, etc;

b)PIDAirflow control technology, rotary pump, low energy consumption, and quietness;

c)Flow range:10-100L/min——Suitable for poultry, young calves, sheep, etc,80-450L/minSuitable for larger calves and subadults, etc,400-1650L/minSuitable for measuring energy metabolism in adult cattle;

6.Secondary sampling unit: built-in air pump, precision needle valve, mass flow meter, can be used for secondary sampling of airflow samples, flow range5-2000mL/minThe accuracy is based on the reading10%; Resolution1mL/minHaving; possessing2line displayLCDdisplay; belt0-5V BNCAnalog signal output; Digital OutputRS-232Power supply12-15VDC，20-350mAEquipped with an AC adapter; Working temperature:0-50℃No condensation; weight1.5kg; Size16cm×13cm×20cm；

7.Data collection system:12A signal input channel, where8An analog input channel can measure-5.12Varrive+5.12VThe voltage signal,16bitsDigital to analog conversion;4A dedicated temperature input channel is used to connect temperature sensors, with a temperature measurement range-5arrive60℃；2An analog signal output channel,0-5V，12Bit resolution;1individual16bitsCounter;8A digital output is used for system control,TTLVoltage level; sampling frequency100Hz；USBdata line; have2line displayLCDdisplay; belt0-5V BNCAnalog signal output; Digital OutputRS-232；USBDirect power supply; Working temperature:0-50℃No condensation; weight0.9kg; Size17cm×15cm×7cm；

8.Respiratory metabolism measurement cabin:

a)Metabolic chamber size long250cm, high200cm, wide200cmInternal volume10cubic meter Suitable for body length150cmBelow, height140cmBelow, weight500kgThe energy metabolism measurement of the following cattle, and the size of the respiratory measurement cabin for other livestock and poultry can be customized;

b)Stainless steel inner frame, long220cm, high170cm, wide150cmThe space allows animals to lie down and rest. Equipped with a feed trough and a drinking pool. The bottom is a weighing pedal, which monitors the weight data of animals in real time and ensures the accuracy of weighing0.02%；

c)The cabin is made of high-quality color coated steel plate, with polyurethane core material, high strength, excellent thermal insulation performance, flame retardant and environmentally friendly, and long service life. Installation inside the cabin2A mixing fan with air inlet and outlet (multiple outlets) at the top, lighting, temperature and humidity sensors, and a fecal and urine collection tank at the bottom;

d)The two side walls of the cabin have large transparent observation windows. Both the front and rear bulkheads are equipped with doors (with transparent small windows) to facilitate the entry and exit of animals and operators;

e)The top of the cabin is equipped with fans, pipelines, filters, cables, etc;

f)(Optional function) can be used for temperature, humidityCO2monitor;

9.Thermo-RGBMonitoring system, capable of imaging and observing the body temperature of cattle

a)Infrared thermal imaging resolution:640x512pixel

b)sensitivity30mK（0.03Celsius degrees)

c)temperature range-25～150Celsius degree, accuracy±2%

d)Multi point blackbody, environmental standard calibration, including calibration certificate

e)ROIPartition analysis function, which can select points (such as eyes), lines (such as body), and areas to automatically analyze average temperature, maximum temperature, minimum temperature, temperature profile, etc. online

f)Color palette:14Combination of Pseudo Color Palette

g)4Level isothermal mode with interpolation enhancement function

h)Real time measurement and display of pixel temperature, 3D temperature map, temperature histogram, temperature profile, ROI analysis, batch conversion processing output, and report generation

10.Animal respiration measurement head box:

a)Small in size, responsive quickly to changes in animal respiratory rate;

b)Stainless steel corners, sturdy and rust free;

c)The panel adopts6mmthickPCTransparent board, sturdy and easy to observe;

d)Equipped with a soft neck cover, it is easy to use and ensures sealing without putting pressure on the animal's neck. Animals can engage in certain activities such as feeding, drinking, and lying down;

e)The head box is equipped with a feed trough and a drinking trough;

f)Sizes can be customized;

11.The implantable physiological indicator recorder can simultaneously record heart rate, body temperature3Maintain activity status and intensity, implantable recorder weight, etc19gBattery lifespan19Month, temperature measurement range5-45°CAccuracy ±0.2°CHeart rate sampling frequency100-800Hz；

12.Online monitoring of temperature, humidity, air pressure, and lighting inside the metabolic chamber;

3、 Origin: United States; Metabolism chamber and head box are customized for domestic use