RKI Instruments RI-600 Specifications
Stand Alone Carbon Dioxide Monitor
Gas Detection For Life
RI-600
Features
• Operates with or without a controller
• Long life NDIR sensor
• Large easy to read digital display
• Two power options: 115 VAC, 24 VDC
• Compact wall mount design
• Tri-color visual alarm display:
Green=Normal
Yellow=Alarm 1 Red=Alarm 2
Applications
• Brewing Tanks
• Filler Machines
• Storage Tanks
• Bag & Box Rooms
• Indoor Air Quality
• Greenhouse
RKI’s Model RI-600 measures carbon dioxide in the air. The RI-600 displays the measured carbon dioxide
concentration on the LCD. If a high level of CO2 is present, the user is notified by an audible alarm tone and the
multicolored LCD digital display. The monitor outputs an analog 4~20mA signal and gas alarm relay contacts
open or close when the carbon dioxide concentration rises above preset alarm set point.
The Model RI-600 applies Non-Dispersive Infrared Ray Absorption (NDIR) technology to detect CO2.
The infrared beam emitted from the light source passes through the gas cell and reaches the IR sensor.
When CO2 enters the gas cell, the amount of infrared energy received by the IR sensor decreases
since the infrared energy emitted from the IR source is absorbed by the CO2. This decreased energy
is detected by the IR sensor and is displayed as a gas concentration. An optical band pass filter in front
of the IR sensor passes the CO2’s absorption wave length. Power options are 115 VAC or 24 VDC.
The RI-600 has two preset alarms, and comes ready to operate with a simple wall mount bracket and 10 foot
power cord.
RKI Instruments, Inc. • 33248 Central Ave. Union City, CA 94587 • Phone (800) 754-5165 • (510) 441-5656 • Fax (510) 441-5650
World Leader In Gas Detection & Sensor Technology
www.rkiinstruments.com
RI-600
Model RI-600 Specifications
Detection Principle Non-Dispersive Infrared
Gas Detected Carbon dioxide (CO2)
Detection Range 0 - 2,000 ppm 0 - 5,000 ppm 0 - 10,000 ppm 0 - 2% Vol. 0 - 5% Vol.
Display Resolution 0 - 2,000 ppm: 1 ppm
Alarm Points (adjustable)
Sampling Method Diffusion
Indication Accuracy Within ±5 % of full scale (to the gas concentration signal output)
Response Time 90% response (T90) within 60 seconds
Gas Alarm Type Two-step alarm (H-HH)
Alarm Display
Alarm Pattern Auto-reset
Alarm Contact
Display
Trouble Alarm /
Self-Diagnosis
Trouble Alarm Display
Trouble Alarm Pattern Auto-reset
1st: 1,000 ppm
2nd: 2,000 ppm
First: Backlight LED is orange, buzzer
Second: Backlight LED is red, buzzer
No-voltage contact 1a or 1b and normally de-energized
(energized in response to an alarm)
LCD digital display (Five - digit, seven segment / green, orange and red backlight)
*No backlight by standard setting
System abnormalities / sensor connection abnormalities
Backlight LED flashes orange, buzzer
*No backlight and no buzzer by standard setting
0 - 2,000 ppm: 1 ppm
2,000 - 10,000 ppm: 10 ppm
1st: 1,000 ppm
2nd: 5,000 ppm
1st: 1,000 ppm
2nd: 5,000 ppm
0 - 2% Vol.: 0.005% Vol.
1st: 0.5% Vol.
2nd: 2.0% Vol.
0 - 2% Vol.: 0.005% Vol.
0 - 5% Vol.: 0.010% Vol.
1st: 0.5% Vol.
2nd: 3.0% Vol.
Relay Contact Rating 125 VAC - 1A or 30 VDC - 1 A (resistance load) 0 VAC ±10% (50/60 Hz) or, 24 VDC ±10%
Approval CE marking standard
Output Signal 4~20 mA DC (no-insulation/load resistance under 300 Ω)
Power Sources 110 VAC ±10% (50/60 Hz) or 24 VDC ±10%
Power Consumption
Operating Temperature 32 ~ 104°F (0 ~ 40ºC) (At a constant conditions)
Operating Humidity Below 90% RH (Non-condensing)
Mounting Equipment
Dimension Body: approx. 3.15”(W) x 4.72”(H) x 1.2”(D) (80(W) x 120(H) x 35.5(D)mm)
Weight AC specification: approx. 7.05 oz (200g), DC specification: approx. 6.34 oz (180g)
Warranty One year materials and workmanship
Specifications subject to change without notice
AC specification: Max. 6VA
DC specification: Max. 4W
Wall mounting type (by using accessory mounting plate or mount at one switch box)
Cable inlet: Up, down and left/right, or rear side
Authorized Distributor:
Toll Free: (800) 754-5165 • Phone: (510) 441-5656
Fax: (510) 441-5650 • www.rkiinstruments.com
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