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/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.
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.
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.
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.
Temperature range 37~ 65 ℃, Temperature Fluctuation +/- 0.5 ℃, using stainless steel liner and microcomputer intelligent temperature control instrument, with timing function and over-temperature water cut-off alarm, can be external circulation pump output thermostatic water flow.
Using stainless steel liner and top cover, microcomputer intelligent temperature controller can display setting and measurement temperature at the same time, Temperature Fluctuation +/- 0.5 ℃, with timing and over-temperature water cut-off alarm function, optional built-in circulating water pump output thermostatic water flow.
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 ℃.
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.
Two-channel split design supports multi-point centralized control, with 4-20mA signal input and two-level alarm settings, microprocessor to ensure accurate monitoring, relay output can drive external equipment linkage, Operating temperature range -10~ 50 ℃.
Support 8 channels of 4-20mA signal input, can store 20,000 alarm records, with two-level alarm settings and relay output, suitable for multi-point centralized control to prevent explosions and fire accidents.
