6
OPTIONAL ACCESSORIES
EVER-INCREASING
LINE OF ACCESSORY
HEADS
The HB74 can be used to test
a wide variety of parameters. Plug
the ADL2 test leads in the acces-
sory head and connect to the
meter. In most cases, use the
200mVDC range to read the pa-
rameter directly.
Model ATH3 DUAL
TEMPERATURE HEAD
Converts any HS "Stick" series meter to a one
piece dual-input temperature meter. Calibration
pots on faceplate for in-field ice bucket calibra-
tion to 1 degree accuracy. Includes two K-type
thermocouples.
Models ARH3 and ARH4 RELATIVE
HUMIDITY HEAD WITH TEMPERATURE
Displays relative humidity directly, 10% RH to 95% RH.
There's a chart on the back that converts relative
humidity and ambient temperature to wet bulb.
Model ADA2 ALLIGATOR CABLES
A pair of 3' wires with alligator clips on both
ends. Great for connecting two test points together.
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