H3T
H3T
150
Precautions
Turn the time set knob gently. Forcing the knob can damage it. The
life of theinternal variable resistor isapproximately 50 turns. Usean
external variable resistor if frequent adjustment is necessary.
If greater accuracy is required in setting the operation time, mea-
sure the time in advance and adjust it with the knob.
Handle the lead terminals with care.
The operation time will vary with the set value as shown below.
Operation time (%)
Set value (%)
Minimum
set time
Operating
range
Theshort time range canbeusedto moreeasily setlong setvalues.
Example 1: To set the H3T-A to 10 min, set the time range to 10 s,
adjust the knob to 10 s, and then change the time
range to 10 min.
Example 2: To set the H3T-B to 5 min, set the time range to 6 s,
adjust theknob to5 s, and thenchange the time range
to6min.
The case is made of PBT, which has good resistance to chemicals
and will not be affected if cleaned at room temperature for short
durations of time. The structure of theUnit, however,does not allow
for submersed cleaning.
Models with exposed internal variable resistors can malfunction if
the moving parts come into direct contact with liquid.
Although leads are plated to allow for soldering temperatures, sol-
deringmust beperformed within10sat 260
¦
5
_
C.Solder by hand.
TheUnit canbe damaged if the terminal pins comeinto contact with
static electricity on hands or objects during mounting or transport.
Be sure to ground-out static electricity before handling the Unit.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. L37-E1-5
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