0 0.16 60Mpa Intelligent LED display Silicon Pressure Transmitter Pressure Transducer G1/4 4 20mA output

0 0.16 60Mpa Intelligent LED display Silicon Pressure Transmitter Pressure Transducer G1/4 4 20mA output
  • Продавец15thinfantry.us
  • Список ценUS $47.16piece
  • Продажная ценаUS $47.16piece
  • ДоставкаБесплатная доставка
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Oписание продукта

Carbon dioxide detector
Because carbon dioxide is colorless and tasteless, it is difficult to detect in general, and too much inhalation can cause discomfort or affect the growth of living organisms. Carbon dioxide is a detector for detecting the concentration of carbon dioxide in the instrument, with high precision, long life, small size, easy maintenance and other characteristics, widely used in various fields such as fermentation process control, agricultural greenhouse, greenhouse CO2 concentration monitoring. A variety of output options.
Product parameters:
Measurement: infrared;
Measurement range: 0 ~ 5000ppm (range can be selected)
Resolution: 5ppm (0 ~ 2000ppm)
10ppm (2000 ~ 5000ppm)
20ppm (5000 ~ 10000ppm)
Accuracy: + 50ppm + reading 5%
Repeatability: + 30ppm
Response time: less than 30S
Preheating time: 3 minutes
Operating temperature: 0 ~ 50
Working humidity: 0% ~ 90%RH (no condensation)
Storage temperature: -20 ~ 60
Working voltage: 12V
Life: more than 5 years
Detection time: every 10 seconds to detect the CO2 content of a gas chamber.
Connection description
DC_IN: DC 12V input;
GND: power supply negative;
A+:RS485 positive end
Negative end of B-:RS485;
V_OUT::0-5V voltage output;
GND: negative signal;
A_OUT:4-20MA current output;
GND: negative signal;
Amount of communication protocol
Register address definition: 0= address, baud rate of 1=, 2=, buzzer, 3= alarm value, the real-time data of 4=, 5= alarm state.
Example
Send: 010300040001 CB C5
Reception: 01030203 B9 D0 28
Send command description:
Explain
address
command
Register address
Number of registers
check
data
01
03
0004
0001
C5 CB
Address: the address of the device, which accounts for one byte, 16 band mode, the range is 01-FE;
Command: the implementation of the operation, accounting for one byte, 16 hex mode, such as the 03 is to read data, the 05 is to write data;
Register address: read and write the starting address of the register, accounting for two bytes, 16 Decimal mode;
Register number: two bytes, 16 decimal mode, starting from the register address, to be operated by a number, such as the address is 01, the number is 02, that is, read the contents of the 2 01,02 registers;
Check: two bytes, 16 decimal mode, using CRC16 to verify, high in the previous;
Receive command description
Explain
address
command
Data length
data
check
data
01
03
02
03 D0
B9 28
Read command: 03
Example
Read a register: 010300040001 CB C5
Read multiple registers: 01030001000354 0b
Write command: 05
Write 00 register (address): 010500000004 CC 09
Note: each time you can only write a register address;
Explain
address
Write command
Register address
data
check
data
01
05
0000
0004
CC 09
Matters needing attention
1 power on each time waiting for 30 seconds to stabilize the data.
2 equipment is not waterproof, avoid direct contact with water,
3 carbon dioxide is a heavier gas, so that the air flow detection is accurate.
4 avoid strong light directly to the sensor.
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