DESCRIPTION HR-170
DAYLIGHT PLATE
MAIN PRISM ASSEMBLY
The HR-170 series is designed for testing the concentration of battery, antifreeze and cleaning flui-
ds. Using this instrument you can for tell at which temperature antifreeze fluids such as propylene
glycol and ethylene glycol will freeze. It can also be used for checking the strength of electrolyte
solution batteries.
TECHNICAL SPECIFICATIONS HR-160
Model
Range
B: 1.100 – 1.400 sg
HR-170
E: -60 °C – 0°C
P: -50 °C – 0°C
B: for battery fluids, E: for ethylene glycol, P: for propylene glycol
CALIBRATION SCREW
Min. Div.
0.01 sg
5 °C
5 °C
Page 12
RUBBER GRIP
Accuracy
±0.01 sg
±5 °C
±5 °C
FOCUS ADJUSTMENT
EYEPIECE
ATC
No