12/22/14 1 Rev.5 (EC 02.293.435)
Operation Manual
Instruction Notes for DigiTrol II General Use Instruction Manual
General Description
This temperature control displays both the setpoint and process temperature and uses the most modern control
technology for the best temperature stability. The Auto-tune feature minimizes setpoint overshoot and learns your
process. Changing your setpoint is easily done with the interface keys. The controller can also perform ramp rate
operations to allow the user to slowly raise the process temperature. There are several input types available. This unit
comes with a 6’ detachable power cord, grid support bracket, which is ideal for fume hood mounting to maximize bench
space. This control is a microprocessor-based, digital indicating, automatic temperature control with a single input and a
single output. It features an auto-tuning function that allows automatic setting of control parameters with a minimum of
user input required. This family of control accepts a type "J", “K”, or “T” thermocouple input depending on the model
ordered.
The control automatically sets the PID parameters through a "learning" sequence in the auto-tuning mode. PID
parameters include proportional band, reset/integral and rate/derivative. User-friendly features include automatic LED
indicators to aid in monitoring and setup, as well as dual LED displays for process temperature and set point indication.
This control automatically stores all information in a non-volatile memory.,
Control Features
1. On/Off switch.
2. 15-amp output.
3. Control mode
- PID control mode (factory default) with Auto-tune algorithm.
- ON / OFF control mode programmable (user programmable).
- Manual Control Mode (user programmable)
4. Solid State Relay output.
5. Circuit protection (fuse)
6. Low profile housing.
7. Safety feature- Output is de-energized if sensing device is unplugged or damaged.
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