PID Digital Temperature Controller – AI-7982

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PID Digital Temperature Controller – AI-7982

The AI-7982 is a high-accuracy PID Digital Temperature Controller designed for advanced industrial temperature control applications. It supports multiple thermocouple and RTD inputs, features a dual LED display for clear monitoring, and offers PID or ON-OFF control with relay or SSR output options, making it suitable for furnaces, ovens, heaters, and process control systems.

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Features

Overshoot control & hysteresis adjustment
User lock code & parameter protection
Relay life expectancy: up to 5,00,000 operations
Operating temperature: 0°C to 50°C
Humidity: 5–90% RH (non-condensing)
ABS plastic housing
Panel-mount installation

SPECIFICATIONS

Model no.

AI-7482

AI-7782

AI-7982

AI-7682

AI-7882

1. DISPLAY TYPE

Display Configuration

Dual 4- Digit 7 Segment LED | 4 Digit Bright White (PV) | 4 Digit Luminous Green (SV)

Display height (PV)

0.36″

0.56″

0.80″

0.36″

Display height (SV)

0.24″

0.39″

0.56″

0.36″

STATUS LED’S

OP 1 : Main Control Output | OP 2 : Alarm Status
SOAK : Soak Timer | TUNE : Tuning Status (Only AI-7982)

2. INPUT

Sensor input

TC: J, K, R, S, N, T, B & RTD: Pt-100

Sensor Type	Range	Resolution	Accuracy
Fe-k(J) T/C	0 ~ 760°C	1 °C	± 1 °C
Cr-AL(K) T/C	-99 ~ 1300°C	1 °C
(R) T/C / (S) T/C	0 ~ 1700°C	1 °C
TC – N	-99 ~ 1300°C	1 °C
TC – T	-99 ~ 400°C	1 °C
TC – B	0 ~ 1800°C	1 °C
Pt-100(RTD)	-100 ~ 450°C	1 °C
Pt-100(RTD 0.1)	-99.9 ~ 450.0°C	0.1 °C		± 0.3 °C

Sampling Time / Resolution

125 msec. | 1°C / 0.1°C (Only for RTD)

CJC for TC / LWC for Pt-100

Built in automatic / Built in upto 18E max.

Digital Filter

1 to 10 Sec.

3. RELAY OUTPUT

Contact type / Rating

N/O, CM, N/C | 5A @ 250VAC or 30 VDC

Life expectancy / Isolation

> 5,00,000 operations | Inherent

4. SSR DRIVE OUTPUT

Drive Capacity / Isolation

12V @ 30mA. | Non-Isolated.

5. FUNCTION

Output 1

Main Control output

Output 2 (Programmable)

1) Auxiliary control, 2) Alarm, 3) Soak timer, 4) Alarm + Soak timer

Control Action / Mode

ON-OFF/PID (Select) | Heat/Cool (Select)

6. ENVIRONMENTAL & 7. POWER SUPPLY

Operating Range / Humidity

0 ~ 50°C, 5~90% Rh | 95% Rh (Non-condensing)

Supply Voltage / Consumption

90~270VAC, 50/60Hz. | 4W Maximum.

8. PHYSICAL

Housing

ABS Plastic

Temperature Controllers

Process Indicators

Digital Preset Timer

Digital Counter