NAG/IM/Metcal 1200/01/22
5
1.
INTRODUCTION
Precision Dry block High Master Temperature
Calibrator (METCAL 1200) is used for calibrating
RTD’s, Thermocouples, Temperature Switches,
Temperature Indicators etc.
The front panel continuously shows the current
Thermo
well
block
temperature.
Desired
temperature is set by using keypad which gives the
corresponding set value in the display.
Proper use of the instrument will provide accurate
calibration of temperature sensors.
Heater Block
The “Block” is made up of Inconel and provides a
relatively constant and accurate temperature
environment. Heaters
are placed inside the tower
assembly to provide heating to the sensor.
A high precision platinum 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.
