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Model 7900 Controller for Rosemount-Designed Baths - Specifications and Ordering Information

 

Specifications

Temperature Control Range

-100°C to 550°C

Optional Ranges

None

Stability

±0.003° (±0.001° typical)

Stabilization Time

30 minutes

Display Accuracy

±1°C

Cooling Control

LN2 - automatic

Heating Control

Two-position, firmware or user controlled

Firmware High-Temp Cutout

Volatile, programmable (independent of the controller)

Hardware High-Temp Cutout

Thermocouple controlled

Memory

Non-volatile; 8 programmable set-points, each with ramp and soak features

Programmable Soak Time

1 to 500 minutes

Control Sensor

100-ohm PRT; alpha=0.00385

Communication Interface

RS-232 and IEEE Interfaces standard

Software

Interface-it software

Operating Temperature

5°C to 50°C

Operating Voltage

115Vac (±10%) 60Hz

CE Mark

Contact Hart

Current Rating

20 Amps maximum

Dimensions

311mm (W) x 114mm (H) x 279mm (D); 12.25" (W) x 4.5" (H) x 11" (D)

Weight

4kg (9 lb)

Installation

Freestanding or rack mounted with optional hardware

 
 

Ordering Information

Hart 7900-B

Controller, for Rosemount-Designed Baths, Bottom Stirred (includes control probe and thermocouple cutout).

Hart 7900-T

Controller, for Rosemount-Designed Baths, Top Stirred (includes control probe and thermocouple cutout).

 


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