8
RF153-en-GB_V1.1 11/18
3. Specifications
Model
Extech RF153
Sensor Element Photodiode Array Detector
Measurements
Brix %
Temperature (
o
C/
o
F)
Refractive index (RI)
Ranges
Brix %
Water
4~60
o
C
(39
～
140
o
F)
0.0
～
53.0%
(10~40
o
C [50~104
o
F]
Automatic Temperature
Compensation)
RI
Water
4~60
o
C
(39
～
140
o
F)
1.3301~1.4374
Temperature
4.0
～
60.0
o
C (39.0
～
140.0
o
F)
Accuracy
(Water
73.4
o
F/23
o
C)
Brix ±0.2%
Temperature ±1
o
C(
o
F)
RI ±0.0003
Resolution
Brix: 0.1%
Temperature: 0.1
o
C(
o
F)
RI: 0.0001
Operating
conditions
10
～
40
o
C (50
～
104
o
F)
< 80% RH
