Extech Instruments RF153 User Manual

18 RF153-en-GB_V1.1 11/18
5-3 LCD icons and alerts
5-3-1 Hi/Lo Alerts
The Hi or Lo Alert will appear under these
conditions:
• When ambient or sample temperature is
>40
o
C (104
o
F) or <10
o
C (50
o
F). The
temperature units will also flash. The
Brix reading will still display but the
accuracy will not be optimum; use for
reference only.
→ →
• When the Brix or RI reading is out of
range. (Brix >53% or <0%)
Note: When the Brix of the sample reads
low, perform a zero calibration (see
Section 5-1).

Extech Instruments RF153 Specifications

General

Brand	Extech Instruments
Model	RF153
Category	Measuring Instruments
Language	English