Support 4-20mA/RS485 signal input, compatible with two-wire and three-wire devices, providing up to 6 passive switching quantities, two-level alarm can be freely set, suitable for gas safety detection.
Supports 4-20mA signal input, compatible with two-wire and three-wire devices, provides 6 passive switches and RS485 interfaces, with two-level alarm settings, operating temperature 0-40 ℃, suitable for gas safety detection.
Support 16 4-20mA signal input, 4.3 inch color screen display, can store 20000 alarm records, with two-level alarm and four sets of relay output, suitable for multi-point centralized control of Gas detection.
Support 4-20mA signal input and RS485 upload, with 2-level alarm and 2 relay output, compatible with two-wire and three-wire equipment, fast response speed and high measurement accuracy, suitable for a variety of Gas detection scenarios.
Support 4-20mA signal input, compatible with two-wire and three-wire devices, providing up to 6 passive switching and sound and light alarm functions, operating temperature 0-40 ℃, suitable for a variety of Gas detection scenarios.
Using Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, shell explosion-proof structure, 4-20mA standard signal output, can detect a variety of gas concentrations and have sound and light alarm function.
Detect NH3 gas, range 0~ 100ppm, resolution 0.1ppm, Response Time T90 ≤ 120s, support sound and light alarm, Operating temperature -10~ 50 ℃, Working time for more than 60 hours, Portable design weighs only 170 grams.
Explosion-proof structure design, Response Time is less than 30 seconds, with 4-20mA standard signal output, can detect a variety of gas concentrations and set high and low alarm points to ensure industrial environment safety monitoring.
Electrochemical sensor, Response Time less than 30 seconds, Measurement accuracy +/- 3% FS, 4-20mA standard signal output and passive relay control port, suitable for a variety of Gas detection needs.
Using Semiconductor Sensor, Response Time T90 is less than 10 seconds, detecting a variety of combustible gases, range 0~ 50% LEL, with sound and light alarm and LED large screen display.
Electrochemical sensor, Response Time less than 30 seconds, Measurement range 0-100ppm, 4-20mA signal output and explosion-proof structure, suitable for gas monitoring in harsh industrial environments.
Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, with explosion-proof structure and 4-20mA standard signal output, suitable for a variety of Gas detection needs.
ABS + PC shell is sturdy and durable, equipped with 2.0 inch 320 * 240 resolution display screen, supports methane, O2, H2S, CO four Gas detection, Response Time is the fastest 20 seconds, battery life is 8 hours, with sound and light vibration triple Alarm mode.
Support 4-20mA/RS485 signal input, provide 6 passive switching and sound and light alarm functions, operating temperature 0~ 40 ℃, compatible with two-wire and three-wire equipment, suitable for gas safety detection.
Maximum 4 kinds of gas simultaneous detection, integrated temperature and Humidity compensation, with Internet of Things remote monitoring function, Response Time T90 ≤ national standard, Protection Rating IP66, suitable for a variety of Installation methods.