Hanna Photometer Marine Saltwater Master Multiparameter, HI-97105

  • 4 390 kr

The HI-97105 is designed to accurately determine all Marine pH, Ammonia, Alkalinity, Calcium, Magnesium, Nitrate LR & HR, Nitrite ULR, and Phosphate ULR levels in aquariums and marine biology applications.

The HI-97105 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.

  • 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.

We believe that buying a meter should be simple. Your HI-97105 photometer has many of the necessary accessories needed for successful measurements.

Each HI-97105 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

NOTE: CAL Check standards and reagens sold separately. 


Marine pH
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
LED 525 nm
Marine Alkalinity
Range 0.0 to 20.0 dKH
Resolution 0.1 dKH
Accuracy ±0.3 dKH ±5% of reading at 25 °C
Method Colorimetric Method
LED 610 nm
Marine Ammonia
Range 0.00 to 2.50 ppm (as NH₃)
Resolution 0.01 ppm
Accuracy ±0.05 ppm ±5% of reading at 25 °C
Method Adaptation of the Salicylate Method
LED 610 nm
Marine Calcium
Range 200 to 600 ppm
Resolution 1 ppm
Accuracy ±6% of reading at 25 °C
Method adaptation of the Zincon Method
LED 610 nm
Marine Magnesium
Range 1000 to 1800 ppm (as Mg²+)
Resolution 5 ppm
Accuracy ±5% of reading at 25 °C
Method adaptation of the Colorimetric EDTA Method using calmagite indicator
LED 610 nm
Marine Nitrate LR
Range 0.00 to 5.00 ppm (as NO₃–)
Resolution 0.01 ppm
Accuracy ±0.25 ppm ±2% of reading at 25 °C
Method Zinc Reduction Method
LED 525 nm
Marine Nitrate HR
Range 0.0 to 75.0 ppm (as NO₃–)
Resolution 0.1 ppm
Accuracy ±2.0 ppm ±5% of reading at 25 °C
Method Zinc Reduction Method
LED 525 nm
Marine Nitrite 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
LED 525 nm
Marine Phosphate ULR
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
LED 610 nm
Measurement system
Light source Light Emitting Diode (LED)
Bandpass filter
wavelength 525 nm & 610 nm
bandwidth 8 nm
wavelength accuracy ±1.0 nm
Light detector silicon photocell
Cuvette Type round 24.6 mm diameter (22 mm inside diameter)
Additional Specifications
Auto logging 200 readings
Display 128 x 64 pixel B/W LCD with backlight
Auto-off after 15 minutes of inactivity (after 30 minutes of inactivity if a Zero has been done but not a Read)
Battery type / Life alkaline 1.5 V AA (3) / > 800 measurements (without backlight)
Environment 0 to 50 °C; 0 to 100% RH, non-serviceable
Dimensions 142.5 x 102.5 x 50.5 mm
Weight 380 g (13.4 oz.); with batteries
Casing IP67 rating, floating