Wavelength accuracy : ±1 nm
Light source : 5 LEDs with 420 nm, 466 nm, 525 nm, 575 nm, and 610 nm narrow band interference filters
Spectral bandwidth : 8 nm
Input channels : 1 pH electrode input and 5 photometer wavelengths
pH electrode : digital pH electrode (not included)
Logging type : log on demand with user name and sample ID optional input
Logging memory : 1000 readings
Connectivity : USB-A host for flash drive; micro-USB-B for power and computer connectivity
GLP : calibration data for connected pH electrode
Display : 128 x 64 pixel LCD with backlight
Battery type / life : 3.7 VDC Li-polymer rechargeable battery / >500 photometric measurements or 50 hours of continuous pH measurement
Power supply : 5 VDC USB 2.0 power adapter with USB-A to micro-USB-B cable (included)
Environment : 0 to 50.0 oC (32 to 122.0 oF); 0 to 95% RH, non-condensing
Photometer/colorimeter light detector : silicon photodetector
Cuvette type : round, 24.6 mm
Number of methods : 128 max.
Dimensions : 206 x 177 x 97 mm (8.1 x 7.0 x 3.8")
Weight : 1.0 kg (2.2 lbs.)