The ILX Lightwave LDT-5910B is a microprocessor-based thermoelectric temperature controller designed for precision thermal management of laser diodes, detectors, and sensitive electronic components. Built on PID control architecture, it delivers short-term stability of 0.005 °C and long-term stability of 0.01 °C over 24 hours, making it suitable for demanding R&D and production environments requiring frequency stabilization and infrared detector cooling.
## Technical Specifications
**Temperature Control**
• Control range: −99 °C to +150 °C
• Short-term stability (1 hour): 0.005 °C or better
• Long-term stability (24 hours): 0.01 °C or better
• Display resolution: 0.1 °C
• Maximum temperature reading: 200 °C
**Output Power**
• Maximum output: 4 A at 4 V compliance
• Maximum power: 16 W
• Current limit range: 0 to 10.0 A with ±20 mA accuracy
• Independent heating and cooling current limits
• Output noise/ripple: < 500 µA
**Operating Conditions**
• Operating temperature: 0 °C to 40 °C
• Storage/transport temperature: −40 °C to 70 °C
• Maximum humidity: < 80% RH, non-condensing
• Maximum altitude: 3000 m
• Mains supply tolerance: ±10% of nominal voltage
• Line voltage selection: 110 V or 230 V via internal jumpers
## Key Features
• Fully programmable PID control loop with auto-tune and preset values
• Large green LED display for easy readout
• Configurable current booster supporting up to 10.0 A measurement
• Class I equipment (grounded), Pollution Degree II
• Optional GPIB/IEEE-488.2 interface for remote programming and automated control
## Compatibility & Integration
**Supported Thermal Sensors**
• Thermistors (10 kΩ)
• AD590 series temperature sensors
• LM335 series temperature sensors
**Thermoelectric Modules**
Fully configurable for various TE cooler modules with independent current limit control ensuring safe operation across different device types.













