Mode
Directions
CALI
To calibrate the meter, enter CALI mode (CALI icon will be flashing), then press ENTER.
Completely cover the photosensitive portion of the probe, and hold ENTER for 3
seconds to reset the zero point.
LOG
To display your data history, enter LOG mode (LOG icon will be flashing). Press ENTER.
Use and to cycle through data records. Press ENTER to exit this mode.
RCFS
To reset the device to factory settings, enter RcFS mode (RcFS icon will be flashing).
Press ENTER ( "NO" will be flashing on LCD screen). Use or to select "YES, " and
then hold ENTER for 3 seconds. An audible beep will indicate when the device has been
reset. If you hold ENTER for 3 seconds while "NO" is flashing, the device will not reset to
factory settings. Important: This option erases all stored log data.
Typical test conditions, unless otherwise specified: Ambient Temp =23+/-3°C, RH=50%–70%,
Altitude=0~100 meter
Measurement
Operating Temperature
Storage Temperature
Operating & Storage RH
PPFD Measurement
Repeatability
Measurement Range
Display Resolution
Cut-On Wavelength
Cut-Off Wavelength
Power Requirements
Dimension
Weight
Symptom
No display on LCD
screen
LCD main display
shows "----"
Battery icon is flashing
on the LCD screen
Reset to zero point
failed
OPERATING INSTRUCTIONS
SPECIFICATIONS
Specification
32°F to 122°F (0°C to 50°C)
-4°F to 140°F (-20°C to 60°C)
0–95%, non-condensing
±1 µmol/m
/s
2
0– 3,999 µmol/m
0.1 µmol/m
/s (0–999); 1 µmol/m
2
400±10nm
700±10nm
2 x AAA batteries
Main Unit: 115 x 60 x 24mm Sensor Unit: 80 x 45.6 x 26mm
115g (without batteries and cable)
TROUBLESHOOTING
Possible Cause
No power
Bad Batteries
Cable error
Sensor unit is not working
Sensor cable is not
connected
Some foreign materials are
in the RJ11 port
Battery is running low
The light sensitive
portion of the probe is
not completely covered
during calibration
/s
2
/s (1,000–3,999)
2
Solution
Press the Power button to turn on PAR meter.
Replace battery.
Check the cable. Maybe there is an electrical
short. Replace the sensor cable if needed.
Check sensor cable to make sure it is securely
connected to the PAR meter main body and
sensor unit.
Please check the RJ11 port and clean
any foreign material that could cause
interference.
Replace the batteries.
Completely cover the photosensitive portion
of the probe before calibrating.
3