Thorlabs LDC 500 Laser Diode Controller Instruction Manual

Operating instructions for the Thorlabs LDC 500 laser diode controller, covering setup, operation, remote control, and service information.


Thorlabs LDC 500 Laser Diode Controller Instruction Manual - cover page
Brand
THORLABS
Category
Other Electronics
Document type
User Manual
Language
English
Pages
20
File format
PDF
File size
151 KB
Published
21 October, 2026
Updated
21 October, 2026
MD5 checksum
E1A5B599E80EF20A27BE8F4C5B594186

About this manual

The Thorlabs LDC 500 is an extremely precise controller for laser diodes and LEDs. When used with the TEC2000 temperature controller, it can precisely regulate laser current, optical output power, and temperature. The device features a 4½-digit LCD display, adjustable current limits, and protection circuitry including softstart and safety interlocks.

What's inside

  • General information
  • Specifications
  • Ordering codes and accessories
  • Safety instructions
  • Warranty
  • Operating elements
  • Starting up
  • Operating the LDC 500
  • Remote control
  • Service

Specifications

Control range0… ±500 mA
Compliance voltage> 4
Setting accuracy (current)±0.2 mA
Resolution (current)0.1 mA
Noise< 5 µA
Ripple< 2 µA
Operating temperature0…+40°C
Weight< 6.6 lb.
Dimensions5.8 x 2.8 x 12.5”

Frequently asked questions

What is the control range of the LDC 500?

The control range is continuously adjustable from 0 to ±500 mA.

How long is the warm-up time for rated accuracy?

The warm-up time for rated accuracy is 10 minutes.

What is the warranty period for the LDC 500?

Thorlabs warrants the material and production for 12 months from the date of shipment.

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