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.
Frequency range 20KHz to 100KHz, Sensitivity indicated by LED and sound, weight of only 140 grams for portable, suitable for a variety of gas and air leak detection scenarios.
Can simultaneously detect four gases, Electrochemical sensor, Response Time instant, alarm sound up to 80 decibels, operation temperature range -10~ 50 ℃, portable design weighs only 360 grams.
High-precision Sensor is used to detect PM2.5 concentration, Response Time is instantaneous, Sensitivity can be adjusted to 5PPM, with sound and light alarm and automatic warm-up function, continuous work for 5 hours.
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 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.
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.
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.
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 and RS485 signal input, compatible with two-wire and three-wire devices, provide 6 passive switching control ports, with two-level alarm setting and alarm record query function, temperature operation range 0-40 ℃.
It adopts flameproof structure design, supports 4-20mA, RS485 and switch output, Response Time ≤ 30 seconds, Detection error ≤ +/- 3% F.S. It can be operated by remote control without opening the lid, with sound and light alarm function, suitable for dangerous environment gas monitoring.
Using infrared NDIR detection principle, range 0-5% Vol, Response Time ≤ 30 seconds, support 4-20mA, RS485 and switch output, with explosion-proof structure and remote monitoring capability.
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.
Support 32 Detector access, using 4-20mA signal transmission, with two-level alarm settings and 20,000 records Storage capacity, through the relay drive peripherals to ensure safety protection.
Supports simultaneous detection of four gases and temperature Humidity, adopts dual temperature Humidity compensation design, has zero point automatic correction function, Protection Rating up to IP66, Operating temperature range -40~ 55 ℃.
