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983 Hot Plate Surface Temperature Sensor Calibrator.
Temperature range 50°C to 350°C. Model 983 is a lightweight portable calibration system designed for surface mounted sensors. The flat surface plate is made from precision-machined aluminum.
The sensor to be tested is simply placed on the surface, for higher accuracy a calibrated surface sensor can be placed alongside and the two compared.

Surface Temperature Sensor Calibrator.

Model  Description 
983 Plate Surface Sensor Calibrator

Good thermal contact is ensured by the flat disk that is recessed to allow the optional use of a heat transfer
paste or fluid. Uniform heat distribution is achieved with a flat spiral heater clamped to an integrating block below the surface of the plate.

The typical accuracy that can be achieved is 1°C but this will be influenced by the type of sensor to be calibrated. The internal control sensor is located immediately below the plate's surface.
A protective cover that can fit over the block is included along with a comprehensive handbook.
The Hot Plate can be supplied configured for Fahrenheit operation, please specify on order.

The temperature range is from 50 to 350°C, which is set by an advanced, but easy to use temperature
controller. The controller has been upgraded to have 0.01 resolution below 100°C (0.1°C above 100°C).
A PC interface is included as standard along with an RS232 interface and Windows software.

Plate Surface Sensor Calibrator specification
Model  983 Small Hot Plate 
Temperature Range  50°C to 350°C 
Stabilization Time  10 minutes 
Cooling Time  350°C to 100°C in 125 minutes 
Heating Time  50°C to 350°C in 20 minutes
Uncertainties  Dependent on sensors and method of use 1°C typical
Display Resolution  0.01 to 99.99
0.1 100 to 350.0
PC can display 0.01 across whole range
with the software included
Indicator Units  °C, °F, K
Power  110 VAC ± 10% (50 / 60 Hz)
Dimensions  115mm x 230mm x 225mm (HxWxD)
Weight  8.6 lbs (3.9kg)