Extech Instruments RF153 User Manual

19 RF153-en-GB_V1.1 11/18
5-3-2 Error Messages
Error 1: Prism Cover Error
During a measurement, the prism cover
was opened/closed, or the ambient light
was too strong. Close cover and try again.
Error 2: No Water Error
There is no water or there is an insufficient
amount of sample on the prism surface to
perform a measurement.
Error 3: Temperature Over Range
When the sample temperature (measured
on the prism surface) is out of range, the
accuracy will not be optimum (< 4
o
C [39.2
o
F]
or > 60
o
C [140
o
F]).

Extech Instruments RF153 Specifications

General

Brand	Extech Instruments
Model	RF153
Category	Measuring Instruments
Language	English