Portable Gas Detectors

Our Products

  • Our Products
  • Fixed Gas Detector
  • N2O Monitor
  • Model RI-2000W (for N2O)


Fixed Gas Detector

Model RI-2000W (for N2O)


  • wall mounting design for easy installation
  • Negliable interference from other gases
  • Self-diagnostic functions
  • 4~20mA linear outputs
  • Two alarm levels, trouble alarm plus relay outputs
  • Audible and visual alarms
  • Automatic backlight during alarm
  • Automatic zero correction function


Detection principle NDIR(non-dispersive Infraed Ray Absorption) method
Target gas and detection range N2O(Nitrous oxide) 0~200ppm
Display 16 digits LCD (with backlight)
Alarm display Gas alarm: Yellow WARNING light, Red ALARM light
Trouble alarm: Flashing green light
Alarm preset level 50ppm (WARNING), 100ppm(ALARM)
Alarm relays Normally-open (standard) or normally-close(optional) contact for both WARNING/ALARM and trouble, rated 0.1mA~0.3mA at 125VAC (Resistive load)
Self-diagnostic function Lamp trouble, sensor trouble, heater trouble, low flow, fan stop, system trouble
Analog output 4~20mADC, linear, non-isolated sourcing signal, max loop load 300omega
Operating conditions 0~40C, 30~90%RH, non-condensing
Power requirement 100VAC or 220VAC +10%, 50/60Hz
Power consumption Max. 400VA
Dimensions & Weight Approx. 350(W)X440(H)X160(D)mm, Approx. 7kg

Specifications subject to change without notice.


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102F, #03-10, Citilink Warehouse Complex, Pasir Panjang Road, S (118530)


(65) 6275-3398


(65) 6275-3387