6
ERROR MESSAGE
An error message appears on the LED.
Display
Cause
Action
Hi
Temperature or humidity reading is beyond
the upper display limit.
Use only within the measuring range.
Lo
Temperature or humidity reading is beyond
the lower display limit.
Use only within the measuring range.
Er
Temperature display side
(while within the measuring range)
Temperature sensor or sensor cord is faulty
The sensor probe may be faulty.
Contact us or the retailer from which
the unit was purchased.
Humidity display side
(while within the measuring range)
Humidity sensor or sensor cord is faulty
Note: When "Er" is displayed in the temperature side, "Er" displays in also humidity display side.
When humidity value is out of the measuring range, "Er" is also displayed in the humidity
side. Use only within the measuring range
MAINTENANCE
Install the glass filter (For Type 1) - Option -
Use the glass filter (option) in case circumstance for measurement
is not good enough due to dusts etc.
①
Remove the sensor cap and put the glass filter over the sensor
section.
②
Set the rubber cushion on the glass filter as the illustration, and
put the cap on.
③
Maintenance of the sensor filter
When the glass filter becomes dirty response will become slow and correct value will not be
detected. Cleaning of filter at an interval of fixed period is recommended. Wash the glass
filter when it appears to be dirty. After immersing the filter into the detergent for a while
washes it with pure water. After washing the filter dry it out.
CAUTIONS
. The filter is made of sintered glass. Be careful in handling.
. Response will be little slower when glass filter is attached. After washing the filter dry it out.
Shake the probe softly so that it can acclimate to the atmosphere.
Maintenance of filter (For Type 2)
When the filter becomes dirty, contact us or the retainer from which the unit was purchase.
The filter in Type 2 is built-in type. Do not replace it by yourself.
