Lutron PIR-9959A IR Temperature Controller/Monitor

Circuit

Custom chip of microprocessor LSI circuit.

Display

4 digits red LED, 14 mm digit height

4 indicators

• PV (process value) indicator

• SV (set value) indicator

• Control out indicator

• Alarm out indicator

User can set the temperature unit to °C or °F with default.

User can set the temperature value to 0.1 degree or 1 degree with default.

Measurement

0.1 °C resolution: 0.0 to 300.0 °C

1 °C resolution: 0 to 300 °C

0.1 °F resolution: 32.0 to 572.0 °F

1 °F resolution: 32 to 572 °F

Input Signal (CH1, CH2, CH3)

Linear, 4 to 20 mA. It should cooperate with LUTRON's optional IR Temp. transmitter, TR-IR2W.

Data Logger Sampling Time

Approx. 1 second

Data Output

RS 232 PC serial interface

Operating Temperature

0 to 50°C

Operating Humidity

Less than 80% R.H.

Power Supply

90 to 260 ACV, 50/60 Hz.

Weight

384 g

Setting Value

Display resolution setting : 1 degree or 0.1 degree

Low limit of range adjustment : 4 mA = 0.0 for °C

High limit of range adjustment : 20 mA = 400.0 for °C

Alarm value adjustment : High Alarm or Low alarm.

Control value adjustment : High control or Low control.

Control hysteresis value setting.

Relay Outputs

Control Relay will activate when the reading value reaches the control value.