Accurately check pH, Alkalinity, Calcium, Low Range and High Range Nitrate, Ultra Low Range Nitrite, and Ultra Low Range Phosphate with one single, compact multiparameter tester! All-In-One Testing with Precise Results for Reef Tanks The HI97105 Marine Master Photometer is a waterproof tester that combines accuracy and ease of use into one simple, portable design. Its advanced, lab-quality optical system ensures accurate readings while its user-friendly design and built-in tutorials make it perfect for marine scientists and aquarium hobbyists alike. Precise and advanced LED optical system No warm up time needed before taking a measurement Waterproof and floating IP67 meter design CAL Check validation and calibration Consolidates testing needs into one unit Includes auto-data logging features to easily record water testing results On-screen tutorial mode guides users step-by-step through the measurement process Option to select measurement location for better tracking consistency Auto shut-off Rugged carrying case included Precise Laboratory Testing, SimplifiedThe Marine Master Photometer comes equipped with user-friendly on-screen tutorials and animations to help guide you through every step of setup, calibration, and testing. You can easily access this Tutorial Mode at any stage of the setup or measurement process by tapping the dedicated Help key. Smart Energy UseWhen the battery level is below 10%, a warning symbol will blink to indicate low battery condition. When low battery power may affect your results, the meter will shut down to avoid erroneous readings caused by low battery level. In order to preserve battery life, the Marine Master has an Auto-Off feature that will automatically power down the device after 15 minutes of inactivity. Auto Data LoggingThe Marine Master will automatically log your results, so there is no need to worry if you’ve missed recording a measurement. The last 50 measurements can be instantly viewed using the Log Recall Menu. CAL Check ValidationHanna’s exclusive CAL Check feature provides a stress-free, straightforward way to ensure your photometer is working properly. Simply insert the certified CAL Check standards and let your meter guide you through validation. If your photometer is out of specification for any reason, simply calibrate to your standard. Advanced Optical SystemThe Marine Master has an advanced optical system that uses a Light Emitting Diode (LED) and a narrow band interference filter that allows for accurate and repeatable readings. The internal reference system of the photometer compensates for any drifts due to power fluctuations or ambient temperature changes, providing a stable source of light for the blank (zero) measurement and sample measurement. Improved optical filters ensure greater wavelength accuracy and allow a brighter, stronger signal to be received. A focusing lens collects all of the light that exits the cuvette, eliminating errors from cuvette imperfections and scratches. The end result is highly reliable lab-grade readings in the palm of your hand. Durable & Portable DesignDesigned to withstand the knocks, drops, and spills of real life, the new IP67 body ensures top performance in any environment. Internal optics are sealed from outside dust, dirt, and water. The meter also floats, so you can easily retrieve it if you drop it in water. This photometer uses an exclusive positive‑locking system to ensure that the cuvettes are placed into the holder in the same position for accurate readings every time. The Marine Master also fits comfortably in your hand for on-the-go testing. The supplied AA batteries provide life for more than 800 measurements, and its backlit LCD display can provide readings from any angle, day or night. Everything you need for testing comes neatly stored in the provided durable carrying-case for added convenience. What’s Included? Sample cuvette (2 pcs.) Sample cap (2 pcs.) Plastic stopper (2 pcs.) Alkaline batteries: 1.5V AA (3 pcs.) Instruction manual Meter quality certificate Testing Parameter Specifications MarineAlkalinity Range 0.0 to 20.0 dkH0 to 357 ppm (as CaCO3) Resolution 0.1 dkH Accuracy ±0.3 dKH ±5 % of reading at 25 °C±5 ppm ±5 % of reading at 25 °C Method Colorimetric Method - The reaction causes a distinctive range of colors from yellow to greenish blue to develop MarineCalcium Range 200 to 600 ppm Resolution 1 ppm Accuracy ±6 % of reading at 25 °C Method Adaptation of the Zincon Method MarineNitrate Range 0.00 to 5.00 ppm (as NO3¯)0.0 to 75.0 ppm (as NO3¯) Resolution 0.01 ppm0.1 ppm Accuracy 0 to 200 ppb (as NO2¯-N) Method Adaptation of the Zincon MethodColorimetric Method The reaction between nitrate and the reagent causes a pink/violet tint in the sample. MarineNitrite ULR Range 0 to 200 ppb (as NO2¯-N) Resolution 1 ppb Accuracy ±10 ppb ±4 % of reading at 25 °C Method Adaptation of the EPA Diazotization Method 354.1 - The reaction between nitrite and the reagent causes a pink tint in the sample. MarinepH Range 6.3 to 8.6 pH Resolution 0.1 pH Accuracy ±0.2 pH of reading at 25 °C Method Colorimetric Adaptation of the Phenol Red Method MarinePhosphate LR Range 0.00 to 0.90 ppm Resolution 0.01 ppm Accuracy ±0.02 ppm ±5 % of reading at 25 °C Method Adaptation of Standard Methods for the Examination of Water and Wastewater, 20th Edition, Ascorbic Acid Method - The reaction between phosphate and the reagent causes a blue tint in the sample. General Light Source Light emitting diode Light Detector Silicon photocell Bandpass Filter Bandwidth 8 nm Bandpass Filter Wavelength Accuracy ±1.0 nm Logging 200 readings Power Supply 1.5 V AA Alkaline (3 pcs.) Battery Life > 800 measurements (without backlight) Auto-off After 15 minutes of inactivity (30 minutes before a READ measurement) Environment 0 to 50 °C (32 to 122 °F); 0 to 100% RH, non-serviceable Dimensions 142.5 x 102.5 x 50.5 mm (5.6" x 4.0" x 2.0") Weight 380 g (13.4 oz.); with batteries Warranty 2 years
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