Metrohm 662 Photometer

The 662 Photometer is a compact, microprocessor-controlled  instrument that is very versatile and has many applications. It has been developed for direct photometric measurements and the photometric endpoint determination of titrations.

Light source: Tungsten lamp

Measuring cell: Fiber-optic light guide

Measuring cell diameter: 12 mm

Measuring cell minimal immersion depth: 20 mm

Measuring cell light path: 2x 10 mm

Wavelength range: 400 – 700 nm

Wavelength resolution: 10 nm

Wavelength repeatability: ±1 nm

Measuring modes: Concentration, Absorption, Transmission

Concentration range: 0.000 – 9999

Concentration absoprtion: 0.000 – 1.499, 1.50 – 1.99

Concentration transmission: 0.0 – 105.0

Analog output resolution: 1 mV

Analog output absoption: 0 – 1 V corresponds to 0.000 – 1.99 absorption

Analog output transmission: 0 – 1 V corresponds to 0.0 – 100% transmission

Digital output: RS 232C