2. Safety / 3. Design and function
2.7 Labelling, safety marks
Product label (example)
On the rear of the instrument is the product label with the key
information about the temperature dry-well calibrator
EN
Symbols
Before mounting and commissioning the
instrument, ensure you read the operating
instructions!
3. Design and function
3.1 Description
The model CTD9100-ZERO temperature dry-well calibrator
is a portable unit, for service functions and also for industrial
and laboratory tasks. The temperature dry-well calibrator
is intended for the calibration of thermometers, resistance
thermometers and thermocouples.
In a simple way, a lasting cold junction temperature can
be generated and thus the calibration of thermocouples is
simplified. The complex method of water fixed-point cells and
the risk of freezing and damage in transport are avoided. The
CTD9100-ZERO, as a freezing-point calibrator, can deliver
not only the zero point in °C, but also, through the active
cooling, it can reach other test temperatures.
Due to its design and the control, an even temperature
distribution is achieved within the block. On this basis,
the temperature can be taken as homogenous and not as
distributed over the seven test bores. This homogenous
temperature distribution reduces the influences on
measurement uncertainty.
6
The CTD9100-ZERO represents state-of-the-art technology.
This applies to measurement accuracy, functionality and
the safe operation of the instrument. The operating position
is defined as upright, since this achieves the optimum
temperature distribution. The set temperature of the heating
block is displayed on a large, 4-digit, high-contrast LED
display. For easy reading of the temperature, the display is
not only large, but, in addition, is also angled by 35°.
The operational safety is only assured if the equipment is
employed for its intended use. The given limit values should
never be exceeded (see chapter 10 "Specifications").
WIKA operating instructions temperature dry well calibrator, model CTD9100-ZERO
CE, Communauté Européenne
Instruments bearing this mark comply with
the relevant European directives.
Instrument designation
Model
Year of manufacture
Fuse
Serial no.
Power supply
Temperature range