RKI Instruments GP-03 User manual

World Leader in Gas Detection and Sensor Technology
03-Series Quick Reference Guide
Applies to models GP-03, HS-03, CO-03, OX-03

Turning on your instrument
• Press and hold POWER MODE button. Release it when the instrument beeps.
• When warm-up sequence is completed, the normal operating screen is displayed.
Note: If a failure occurs, press and release the POWER MODE button, the instrument cannot
be used if a sensor failure occurs. Replace the failed sensor.
• If Cal Limit Display or Bump Test Limit Display are on and calibration or bump test is due, see
operator’s manual for warm-up sequence.
Performing fresh air adjustment
• Press and hold the AIR button in a fresh air environment. The LCD will display “HOLD”.
• Release the AIR button when “ADJ” is displayed.
• The instrument will set reading to 0 ppm (HS/CO-03),
0% LEL (GP-03) or 20.9% Vol. (OX-03).
Normal operating mode
• The gas concentration is displayed.
• Battery charge level is indicated in lower left corner.
• The heart symbol displayed in the upper right corner
ashes while the instrument is functioning properly.
Turning the instrument off
• Press and hold the POWER MODE button for approximately ve seconds to turn off the unit.
RKI Instruments, Inc. 33248 Central Ave, Union City, CA 94587
Phone [phone] • [phone] • www.rkiinstruments.com
141027/1000
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