Riken Keiki SP-220 Quick Operating Manual

SP-220 (TYPE M/L/ML) Quick Operating Manual

Daily Maintenance

1. Check the battery level.
2. Check to confirm that filters are not dirty or clogged.

Part Names

LCD and control panel
(without rubber protection
cover)

Battery Replacement

1. Confirm that the power for the product is turned off.
2. Turn the locking plate counterclockwise to open the battery cover.
3. Remove the old batteries and insert new batteries. Note the polarity.
4. Close the battery cover and turn the locking plate clockwise to lock.
Open
Close

Basic Operations

1. Startup
To turn on the power, hold down the POWER button (for at least 1 second) until the buzzer
blips once.
2. AIR calibration (must be performed before measurement)
In detection mode in an environment with fresh air, hold down the AIR button, then release the
AIR button when the display changes from "HOLD AIR" to "RELEASE" (the buzzer will sound
three times: blip, blip, blip).
Note: For more information, please refer to the Operating Manual.
LCD display
MODE button
AIR button
POWER button
LCD and control panel
(with rubber protection
Gas inlet
Operation sound
indicator
Display example:
Operation sound ON
Alarm sound
indicator
Display example:
Alarm sound ON
Gas outlet
cover)
Battery polarity
indications
LED light
Alarm LED
arrays
Main unit (with rubber
protection cover)
Rear of main unit (without rubber
protection cover)
PT0E-1700