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The HI97105 Marine Master Photometer combines accuracy and ease of use in a simple, portable design. The advanced optical system provides lab-quality accuracy while its user-friendly design is easy for any aquarium user making it the perfect photometer for your water quality testing needs. The HI97105 is designed to accurately determine pH, Alkalinity, Calcium, Nitrate, Nitrite, and Phosphate level in aquariums and marine biology applications.
- No warm up time needed before taking a measurement.
- Tutorial mode for easy step-by-step instructions.
- CAL CheckTM for performance verification and calibration.
Better Features for Better Testing Let your photometer guide you through setup, calibration, and testing with on-screen tutorials and animations so you always know the next step. Simply access Tutorial Mode at any stage in the setup or measurement process with the dedicated help key.
The auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on. When 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.
Data Logging Missed a measurement? No need to worry because your photometer will automatically log the last 50 measurements. The results can be viewed instantly using the Log Recall Menu.
CAL CheckTM Validation Hanna’s exclusive CAL CheckTM feature provides a stress-free, straightforward way to ensure your photometer is working properly. Simply insert the certified CAL CheckTM 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 System A Light Emitting Diode (LED) provides more light while using less power and a narrow band interference filter results in more accurate and repeatable readings.
Built Better Designed 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. In addition, it floats, just in case you drop your meter 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.
Portable Design Made to fit comfortably in your hand for on-the-go testing or sit on a table for benchtop use, a backlit LCD display provides at-a-glance readings from any angle, day or night. The supplied AA batteries provide life for more than 800 measurements.
Each HI97105 is supplied with: Sample cuvette (2 pcs.), Sample cap (2 pcs.), Plastic stopper (2 pcs.), Alkaline batteries: 1.5V AA (3 pcs.), Instruction manual, Meter quality certificate.
|Alkalinity, Marine Range||0.0 to 20.0 dkH 0 to 357 ppm (as CaCO3)|
|Alkalinity, Marine Resolution||0.1 dkH|
|Alkalinity, Marine Accuracy||±0.3 dKH ±5 % of reading at 25 °C ±5 ppm ±5 % of reading at 25 °C|
|Alkalinity, Marine Method||Colorimetric Method - The reaction causes a distinctive range of colors from yellow to greenish blue to develop|
|Calcium, Marine Range||200 to 600 ppm|
|Calcium, Marine Resolution||1 ppm|
|Calcium, Marine Accuracy||±6 % of reading at 25 °C|
|Calcium, Marine Method||Adaptation of the Zincon Method|
|Nitrate Range||0.00 to 5.00 ppm (as NO3¯) 0.0 to 75.0 ppm (as NO3¯)|
|Nitrate Resolution||0.01 ppm 0.1 ppm|
|Nitrate Accuracy||0 to 200 ppb (as NO2¯-N)|
|Nitrate Method||Adaptation of the Zincon Method Colorimetric Method The reaction between nitrate and the reagent causes a pink/violet tint in the sample.|
|Nitrite, Marine ULR Range||0 to 200 ppb (as NO2¯-N)|
|Nitrite, Marine ULR Resolution||1 ppb|
|Nitrite, Marine ULR Accuracy||±10 ppb ±4 % of reading at 25 °C|
|Nitrite, Marine ULR Method||Adaptation of the EPA Diazotization Method 354.1 - The reaction between nitrite and the reagent causes a pink tint in the sample.|
|pH Range||6.3 to 8.6 pH|
|pH Resolution||0.1 pH|
|pH Accuracy||±0.2 pH of reading at 25 °C|
|pH Method||Colorimetric Adaptation of the Phenol Red Method|
|Phosphate, LR Range||0.00 to 0.90 ppm|
|Phosphate, LR Resolution||0.01 ppm|
|Phosphate, LR Accuracy||±0.02 ppm ±5 % of reading at 25 °C|
|Phosphate, LR 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.|
|Light Source||light emitting diode|
|Light Detector||Silicon photocell|
|Bandpass Filter Bandwidth||8 nm|
|Bandpass Filter Wavelength Accuracy||±1.0 nm|
|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; 0 to 100% RH, non‑serviceable|
|Dimensions||142.5 x 102.5 x 50.5 mm|
|Weight||380 g; with batteries|