Hanna HI96707 itrite, Low Range, Portable Photometer (0.000 to 0.600 mg/L (ppm))

Range: 0.000 to 0.600 mg/L (ppm)
Resolution: 0.001 mg/L (ppm)
Accuracy: ±0.020 mg/L ±4% of reading @ 25°C
Method: adaptation of an EPA approved method
Light Source: Tungsten lamp
Light Detector: Silicon Photocell with narrow band interference filter @ 525 nm
Environment: 0 to 50°C (32 to 122°F);max 95% RH non-condensing
Power Supply: 9V battery
Auto-Shut off: after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder
Dimensions: 192 x 104 x 69 mm (7.6 x 4.1 x 2.7″)
Weight: 360 g (12.7 oz.)
Order Information: HI 96707 is supplied with sample cuvettes with caps (2), 9V battery and instruction manual.