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PID Digital Temperature Controller with Alarm & Soak Timer – AI- 7782

The AI-Series PID Digital Temperature Controller with Alarm and Soak Timer is a multifunction industrial controller designed for precise temperature regulation, process timing, and alarm management. It supports multiple sensor inputs, PID and ON-OFF control, auxiliary outputs, and programmable soak timing, making it ideal for furnaces, ovens, heat treatment, and advanced process control applications.

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Features
  • Soak Time Range: 1 second to 9999 hours

  • User Lock & 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 Sizes Available

SPECIFICATIONS

Model no. AI-7482 AI-7782 AI-7982 AI-7682 AI-7882
1. DISPLAY TYPE : Dual 4- Digit 7 Segment LED
Display Specification 4 Digit Bright White (PV) | 4 Digit Luminous Green (SV)
Display height (PV) 0.36″ 0.56″ 0.80″ 0.36″ 0.36″
Display height (SV) 0.24″ 0.39″ 0.56″ 0.36″ 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 0 ~ 1700°C 1 °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 125 msec.
Resolution 1°C/0.1°C(Only for RTD)
CJC for TC Built in automatic
LWC for Pt-100 Built in upto 18E max.
Digital Filter 1 to 10 Sec.
3. RELAY OUTPUT
Contact type N/O, CM, N/C
Contact Rating 5A @ 250VAC or 30 VDC
Life expectancy > 5,00,000 operations
Isolation Inherent
4. SSR DRIVE OUTPUT
Drive Capacity 12V @ 30mA.
Isolation 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 ON-OFF/PID (Select)
Control Mode Heat/Cool (Select)
Compliance —-
6. ENVIRONMENTAL
Operating Range 0 ~50°C, 5~90% Rh
Storage Humidity 95% Rh (Non-condensing)
7. POWER SUPPLY
Supply Voltage 90~270VAC, 50/60Hz.
Consumption 4W Maximum.
8. PHYSICAL
Housing ABS Plastic

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