Control device DTC series

Product overview
KLC's Digital Temperature-Time Controller (DTC series) is a compact front-panel controller designed for laboratory testing, room heating and process temperature management. It is compatible with KLC heater ranges including ultra-thin flexible heaters, far infrared heaters, PTC air heaters and PTC heat conductors.

Key features

• Front-panel digital setting with LED display
• Temperature and timer control with automatic memory of previous settings
• Timer adjustable from 30‑min intervals up to continuous operation (display 99)
• Precise temperature control within ±1℃; resolution 1℃
• Available in pre-wired, connector (self-connect) and terminal versions
• Compatible with KLC heater product ranges

Models & types

• Models: DTC-A1045A-150 | DTC-A1045B-150 | DTC-A2085A-150 | DTC-A2085B-150 | DTC-A3B285-0204B
• Types: AC110V pre-wired; AC110V connector; AC220V pre-wired; AC220V connector; AC90–250V terminal

Basic specifications

• Dimensions: 65 x 90 x 26 mm
• Casing: Aluminum outer casing
• Input voltage (series): DC12V–24V / AC100V–120V / AC200V–240V
• Frequency: 60Hz (50Hz option available)
• Max. current: DC <10A; AC <4A (model dependent)
• Sampling rate: 100 ms
• Operating ambient: -20℃ to 55℃; 0–80% RH (no condensation/icing)
• Temperature control range (series): typically 1 to 150℃; model dependent up to 285℃
• Sensor: NTC (AC non-insulated); typical NTC wire length 80 cm

DTC-A3B285-0204B — model specifics

• Input voltage: AC90–250V
• Frequency: 50/60Hz
• Max. current: 4A
• Control method: ON/OFF (P=0)
• Temperature control range: -24 to 285℃ (1℃ steps)
• Time control: 1–5 (30‑min units) / 5–99 (1‑hr units); 99 = continuous operation
• Sampling rate: 100 ms

User guide / Operation notes

• ON/OFF: press once to turn ON; press and hold 2 s to turn OFF. When powered but idle, the time-display dot flashes
• Temperature buttons: ▲ increases by 1℃; ▼ decreases by 1℃; hold for continuous change. Display returns to measured temperature after 4 s
• Time buttons: ▲ / ▼ adjust in 0.5 h or 1 h steps depending on range; 99 indicates continuous operation
• Connections: NTC PIN for sensor; AC input PIN for power; AC output PIN for load

Notes

• Brand: KLC Corporation
• Applications: suitable for lab equipment, HVAC prototypes, process machines and product temperature control