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Number
Hot Display. Both displays not only
shows the set and actual temperatures
but also shows various calibrator
functions, settings, and constants. The
C
display shows temperatures in units
according to the selected scale °C or °F.
The High Temp and Low Temp displays
are labeled.
Controller Keypad. Use the four-button keypad control buttons to set the calibrator
temperature set-point, access and set other operating parameters, and access and set
calibration parameters. Each display has their own button set.
Set the control temperature directly in degrees of the current scale. It can be set to one-
tenth of a degree Celsius or Fahrenheit.
The functions of the buttons are:
D
SET - Shows the next parameter in the menu stores parameters to the displayed value.
DOWN - Decrements the displayed value of parameters.
UP - Increment the displayed value.
EXIT - Exits a function and skips to the next function. Any changes made to the displayed
value are ignored.
Cold Display
E
Power Cord (not shown) - The removable power cord inlet plugs into an IEC grounded socket on the
PEM.
Constant Temperature Block
The high temperature Block is made of bronze and the cold temperature Block is made of aluminum.
The Block provides a constant and accurate temperature environment for the sensor under calibration
(see Figure 1). A 0.5 in diameter well may be used for sensors of that size or may be sleeved down
with various sized probe sleeves. Heaters are strategically placed in the block assembly to provide
even heat to the sensor. A high-temperature platinum control RTD is embedded at the base of the
block assembly to sense and control the temperature of the block. The entire assembly is suspended in
an air-cooled chamber thermally isolated from the chassis and electronics.
The block vent cover can be very hot due to the fan blowing upward.
Table 1. Top Panel (cont.)
Description
WWarning
Industrial Dual-Block Calibrator
Number
PEM. The power switch is located on
the PEM. The PEM also houses the
H
fuse.
Insert Storage.Store up to four inserts
I
here.
Parts and Controls
Description
5
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