JB-TB-AT2020LH Gas Detection Controller

  • Capacity increased by 80%, single management card supports up to 18 branch line detectors
  • Supports two-wire, three-wire and four-wire 4-20mA signal detectors
  • Management card Chinese LCD dot matrix liquid crystal display
  • Each channel card can independently display detector concentration information in real time.
  • Built-in RS232 communication interface, supports multiple protocols
  • One management card can manage 9 channel cards. The channel cards work independently of each other without interfering with each other.
  • A variety of gas detectors can be combined in any combination, and parameters can be set independently for each channel
  • Active combination allows customers to choose flexibly
  • Equipped with wireless transmission function for mobile phone debugging


> Product Parameters


Project Data
Working voltage AC170V~AC260V/50Hz
Typical power 10W (excluding connected detectors and supporting equipment)
Display method 2.8-inch Chinese LCD dot matrix LCD
Communication method 4 ~ 20 mA communication (three-line system)
Installation method 3U disk type
Alarm Output Built-in 4 sets of passive programmable external control output (contact capacity DC24 / 2A or AC220V / 1A)
Output type Hold/pulse output (can be modified as needed)
Upper computer interface The RS232 port
Transmission distance 1200m
Adaptation detector Standard 4 to 20 mA signal detector
Appearance size 482mm×152mm×133mm
Typical capacity 2,4,6,8,10,12,14,16,18 (other capacity is optional)
Wireless far transmission NB/4G (optional)


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