5.
TOP display E1
a)Circuit error in IR measurement
channel; return to dealer for repairing.
b)Circuit error in temperature measure-
ment channel. Return to dealer for
repairing. (If
displayed)
6.
TOP display E2
a)IR temperature > 500 degree C.
b)IR temperature < 500 degree C while
room temp. >50degree C. (If displayed)
7.
TOP temperature E3
a)IR temperature < -40 degree C.
b)IR temperature > -40 degree C while
room temp. <-20degree C. (If displayed)
8.
MIDDLE display E1
a)Circuit error in temperature measure-
ment channel; return to dealer for
repairing.
9.
MIDDLE display E2
a)Dp is out of the range(>50 degree C).
b)If always display E2 while air temp. is
between -20 to 50 degree C means
there is a circuit error in temp. Measure-
ment channel, return the meter to dealer
for repairing.
10. MIDDLE display E3
a)Room temp. is out of the range
(<-20 degree C).
b)If always display E3 while temp. range
is -20 to 50 degree C, this means there
is a circuit error in temp. Measurement
channel, return to dealer for repairing.
11. BOTTOM display E1
a)Circuit error in RH measurement
channel; return to dealer for repairing.
11
Summary of Contents for 8857
Page 1: ...Laser Infrared Hygro Thermometer User s manual ENGLISH...
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