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K400 Issue No. 1 1
1INTRODUCTION
The DBC series of temperature calibrators test and calibrate temperature devices.
The series comprises two types: a TS (Temperature Source) and a TC
(Temperature Calibrator). Multilingual firmware provides a menu-driven user
interface in English, French, German, Italian, Spanish and Portuguese. An RS232
digital interface, supplied as standard, enables remote operation of the instrument
from a compatible computer.
TS (Temperature Source)
The DBC-TS generates stable temperatures and accurately measures the
temperature of the dry well. It provides an automatic switch test facility.
There are two models of the DBC-TS, providing the same operating capabilities at
different temperature ranges:
• DBC 150-TS : -45°C below ambient temperature to +150°C.
• DBC 650-TS : +50°C to +650°C.
This series of calibrators uses the GE technology temperature controller, providing
high performance temperature stability and accuracy. Temperature generation can
be controlled either in manual mode (direct) or automatic with ramping, stepping or
preset functions. The dry well temperature can be measured either with the internal
probe or with an external certified reference probe. The key-pad, display and
electrical connections enable the user to carry out test procedures for RTD and
thermal switches with a hysteresis calculation.
TC (Temperature Calibrator)
The DBC-TC generates stable temperatures and accurately measures the
temperature of the dry well. It measures process signals from the temperature
devices under test.
There are two models of this series, providing the same operating capabilities at
different temperature ranges:
• DBC 150-TC : -45°C below ambient temperature to +150°C.
• DBC 650-TC : +50°C to +650°C.
This series of calibrators uses the GE technology temperature controller, providing
high performance temperature stability and accuracy. Temperature generation can
be controlled either in manual mode (direct) or automatic with ramping, stepping or
preset functions. The dry well temperature can be measured either with the internal
probe or with an external certified reference probe.
The key-pad, display and electrical connections enable the user to carry out test
procedures for thermocouples, RTD, switches, temperature transmitters and
converters, regulators. Both TC models contain a switch test function with a
hysteresis calculation. This Input/Measure facility enables direct connection and
reading of thermocouples, RTD, Voltages, Current and Resistance: the dual display
can simultaneously show the generated temperature (with internal or external