Additional information
Power4 AAA batteries
Linear range0-400 ppb typical for fluorescein
0-1000 ppb typical for PTSA
Sensitivity<1ppb typical for fluorescein and PTSA
Size1.75”x 3.5”x 7.25”; 4.45cm x 8.9cm x 18.4cm
Weight13.9 oz; 0.4 kg
Temperature: 41º - 104ºF (5º - 40ºC)
Light sourceLED
DetectorPhotodiode

Turner Designs Opti-Check Handheld Fluorometer

A small, lightweight, highly durable handheld fluorometer

Contact us

The Opti-Check™ is a small, lightweight, highly durable handheld fluorometer ideal for quick measurements in the field. The dual-channel capability enables measurement for both cooling tower and boiler system applications. Simple to operate, the Opti-Check is a perfect tool for system verification.

Key Features

  • Dustproof, watertight, highly durable case
  • Small size easily fits in shirt or jacket pocket
  • Operates using AAA batteries for >1,000 measurements per set
  • Dual channels allow for quick toggling between two applications
  • Single-point plus blank calibration
  • 12 bit resolution
  • 5 second warm-up
  • Low maintenance field fluorometer
Additional information
Power4 AAA batteries
Linear range0-400 ppb typical for fluorescein
0-1000 ppb typical for PTSA
Sensitivity<1ppb typical for fluorescein and PTSA
Size1.75”x 3.5”x 7.25”; 4.45cm x 8.9cm x 18.4cm
Weight13.9 oz; 0.4 kg
Temperature: 41º - 104ºF (5º - 40ºC)
Light sourceLED
DetectorPhotodiode