03 Series

Single Gas Personal Monitors

  • 03 Series - Single Gas Personal Monitors 03 Series - Single Gas Personal Monitors
  • 03 Series Single Gas Personal Monitors GP-03 OX-03 CO-03 H2-03 with rubber boot 03 Series Single Gas Personal Monitors GP-03 OX-03 CO-03 H2-03 with rubber boot
  • 03 Series Single Gas Personal Monitors GP-03 OX-03 CO-03 H2-03 03 Series Single Gas Personal Monitors GP-03 OX-03 CO-03 H2-03
  • 03 Series GP-03 Single Gas Personal Monitor 03 Series GP-03 Single Gas Personal Monitor
  • 03 Series OX-03 Single Gas Personal Monitor 03 Series OX-03 Single Gas Personal Monitor
  • 03 Series CO-03 Single Gas Personal Monitor 03 Series CO-03 Single Gas Personal Monitor
  • 03 Series HS-03 Single Gas Personal Monitor 03 Series HS-03 Single Gas Personal Monitor
  • 03 Series Single Gas Personal Monitor belt-clip 03 Series Single Gas Personal Monitor belt-clip
  • 03 Series GP-03 Single Gas Personal Monitor with rubber boot 03 Series GP-03 Single Gas Personal Monitor with rubber boot
03 Series at a glance

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Personal Single Gas Monitors : Models OX-03, CO-03, HS-03, GP-03

Facilities such as Oil Refineries, Petrochemical Storage Facilities, Water and Wastewater Treatment plants, Pharmaceutical labs, Utilities, Fire fighting and Chemical Plants are hazardous areas. Workers and Visitors need personal gas protection at all times without the addition of extra bulky equipment. Personal Single Gas Monitors are ideal for this.

Cost of Ownership :

Disposable gas detectors are low cost but users can suffer high failure rates, this can result in safety concerns.  Users often find the cost of ownership often outweighs the small initial cost saving over a reliable renewable gas detector. Customers constantly have to replace failed units resulting in personnel down time and the lost productivity .

03 Series Single Gas Personal Monitors GP-03 OX-03 CO-03 H2-03 with rubber boot

Personal Single Gas Monitors

The Riken Keiki 03 series are personal single gas monitors designed for protection from exposure to combustible hydrocarbons, oxygen deficiency, hydrogen sulfide, or carbon monoxide. Customers can specify models for LEL, O2, H2S, or CO detection. Users of the O3 series find the units are robust, reliable, long-lasting, and cost effective. In addition they have a digital display, can be calibrated, and are dust and water-resistant (IP-67). The O3 series has a replaceable rubber boot in addition users can data log from 5 to 300 hours with adjustable intervals.

 

ATEX approval 

The units are Intrinsically safe and have ATEX approval making them ideal for use in hazardous areas.  The O3 series is Pocket size 2.1”(W) x 2.6”(H) x 0.9” and Light weight 80g.

Each model ( except the GP-03 ) operates continuously for at least 3,000 hours on (2) AAA size alkaline batteries. The GP-03 operates for 35 hours (NiMH batteries are also optionally available).

03 Series Single Gas Personal Monitors GP-03 OX-03 CO-03 H2-03

Personal Single Gas Monitors

The 03 series personal single gas monitors have 2 preset alarms. The user can adjust the alarms to their own levels if desired.  Each version is equipped with visual, audible, and vibration alarms as standard. The replacement sensors are inexpensive.  Users can replace the sensors in the field. Customers can expect Sensors to have a life expectancy of 2-3 years  in addition they are interchangeable with other Riken Keiki monitors.

An optional watch strap accessory can be specified allowing the user to wear the instrument on their wrist,in addition a calibration station SDM-03 is available

Fixed 600 series detectors are also available OX-600 and EC-600

  • 4 Gases to choose from: LEL, CO, H2S, or O2
  • Operates 3,000 hrs. on alkaline batteries (35 hours for LEL version)
  • Pocket size 57mm(W) x 70mm(H) x 26mm(D)
  • Light weight 80 grams (without clip or batteries)
  • Datalogger 180 hours with 5 min intervals
  • Audible / visual / vibration alarms
  • Automatic backlight during alarm
  • Peak Hold, STEL & TWA
  • Low battery / Trouble alarm
  • High impact detachable rubber boot
  • Dust and water resistant with IP-67 approval.
  • Intrinsically safe, ATEX / IECEx / TIIS
  • 2 year warranty
  • Hazardous Material
  • Refineries / Petrochemical
  • Water / Wastewater Treatment
  • Pharmaceuticals
  • Utilities
  • Chemical Plants
  • Fire Services
Model Name GP-03 OX-03 HS-03 CO-03
Gas detected Combustible gases Oxygen Hydrogen sulphide Carbon monoxide
Detection principle Catalytic combustion Galvanic cell Electro-chemical cell Electro-chemical cell
Detection range 0 ~ 100%LEL 0 ~ 40.0% 0 ~ 100.0ppm 0 ~ 500ppm
Increments 1%LEL 0.1% 0.5ppm 1ppm
Alarm set points 1st      : 10%LEL
2nd     : 50%LEL
OVER : 100%LEL
1st      : 19.5%
2nd     : 18.0%
OVER : 40.0%
1st      : 5.0ppm
2nd     : 30.0ppm
STEL : 5.0ppm
TWA : 5.0ppm
OVER : 100.0ppm
1st      : 25ppm
2nd     : 50ppm
STEL : 200ppm
TWA : 25ppm
OVER : 500ppm
Types of alarm (*1)
    • Gas alarms: 1st and 2nd (user adjustable), OVER scale alarm, STEL and TWA
    Trouble alarms: Sensor disconnection, Low battery, Calibration error, Clock error, System error
Alarm method Latching Latching Latching Latching
Display of alarm Gas alarms: Flashing LEDs, Buzzer, Flashing gas value, Vibration
Trouble alarms: Flashing LEDs, continuous buzzer, display of error message
Operating temp. & humidity -20 ~ +50°C [-4°F ~ 122°F]
0~90%RH (Non-condensing)
-20 ~ +50°C [-4°F ~ 122°F] 0 ~ 95%RH (Non-condensing) -20 ~ +50°C [-4°F ~ 122°F] 16 ~ 85%RH (Non-condensing)
Power source 2x AAA size Alkaline battery (Optional AAA size Ni-MH battery [Eneloop])
Continuous operation (*2) Alkaline battery : Approx.35 h Ni-MH battery : Approx.30 h Alkaline battery : Approx.3000 h Ni-MH battery : Approx.2000 h
Response time 90% response within 30 sec 90% response within 20 sec 90% response within 30 sec
Ingress proof IP 67
Explosion proof Alkaline dry battery version : Exia II CT4
Ni-MH battery version: Exia II CT3
Approvals IECEx, ATEX
Dimension & weight Approx. 57(W) × 70(H) × 26(D) mm [2.1″(W) × 2.64″(H) × 0.94″(D) inches] with rubber protection cover, 80g [2.8 ounces]
Function Manual LCD backlight (Automatically ON when alarming), Peak value, Data logging, Time, CAL alarm, BUMP alarm
(*1) STEL and TWA alarms are available on HS-03 and CO-03 only.     (*2)  No alarm, no light at 25°C
Specifications subject to change without notice.