HI97779 Portable Digital Chlorine Dioxide Meter

The HI97779 portable Chlorine Dioxide photometer combines measurement accuracy and ease of use with a modern and innovative design.
It has an innovative optical system that offers superior performance in accuracy, repeatability and short time
The HI97779 is a waterproof photometer that is extremely user-friendly since it guides the user step by step in performing the measurement, with instructions displayed on its screen.
It has an illuminated LCD screen and memory for storing the last 50 measurements.
Its small size and weight make it ideal for outdoor measurements.
Using the HI96779-01 reagents, the user can accurately determine the concentration of chlorine dioxide from 0.00 to 2.00 mg/L (ppm).
The internal electronic reference system of the light beam of the photometer compensates for any instabilities due to eg power fluctuations or temperature changes. The result is to have a stable lighting beam, where fast and stable measurements are achieved.
CAL Check Function: Hanna's exclusive CAL Check function allows performance verification and photometer calibration using NIST traceable standards.
Built-in reaction timer: Measuring the appropriate reaction time is essential when performing colorimetric measurements. The on-screen countdown timer displays the time remaining until a measurement is taken, ensuring consistent results between sample measurements.
Large cell size: The round cell size we use is 25mm long. The relatively long cell length allows light to pass more diffusely through the sample, ensuring accurate measurements even in low absorbance samples.
Auto-off protection: Uses three common AA batteries to allow approximately 800 readings to be taken. The auto-off feature automatically turns the meter off after 15 minutes of inactivity to preserve battery life.
 

Specifications:
Range 0.00 to 2.00 mg/L (ppm)
Resolution 0.01 mg/L (ppm)
Accuracy @ 25C (77F) 0.10 mg/L 5% of reading
Light source tungsten lamp
Light detector silicon photocell with narrowband interference filter @ 575 nm
Method Adaptation of Chlorophenol Red Method
Automatic power off after ten minutes of non-use in measurement mode. after one hour of non-use in calibration mode. with last read reminder
Environment 0 to 50 C (32 to 122 F). RH max 95% non-condensing
Battery type 9V battery
Dimensions 193 x 104 x 69 mm (7.6 x 4.1 x 2.7”)
Weight 360g (12.7oz.)
The HI96738 is supplied with sample vials (2) with caps, 9V battery, instrument quality certificate and instruction manual. CAL Check™ standards and test reagents are sold separately.