Hanna Marine Master Multiparameter Photometer

All‐in‐one photometer for precise marine water quality testing

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At a glance...

Tests 9 essential marine water parameters with lab‐grade accuracy
User‐friendly design
Durable, portable, and waterproof, ideal for reef tanks and marine research

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SU_HMMMP

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What is the Hanna Marine Master Multiparameter Photometer?

The Hanna Marine Master Multiparameter Photometer is a handheld, professional‐grade Photometer designed to deliver fast, accurate measurements of critical water parameters in saltwater aquariums and marine biology settings. It combines lab‐level accuracy with an intuitive, portable design for both beginners and advanced users.

Key Features:

Measures 9 critical marine parameters with lab‐quality accuracy
Advanced optical system with LED and interference filter for precision
Portable, waterproof, and floats if dropped in water
No warm‐up time; ready to measure instantly
On‐screen tutorial mode for step‐by‐step guidance
CAL check system for easy performance validation and calibration
Auto‐off and low battery warning features
Data logging for the last 50 measurements
Durable, shock‐resistant design with positive cuvette locking system

These features make the HI-97105 especially useful for maintaining reef health, preventing imbalances, and optimising water conditions for coral growth and marine life sustainability.

What are the features and benefits of the HI-97105 for marine testing?

The Hanna Marine Master Multiparameter Photometer simplifies comprehensive marine water testing by covering multiple essential parameters with one device. With an intuitive interface, on‐screen instructions, and built‐in safeguards like CAL check and low battery detection, it's ideal for reliable, long‐term monitoring in both home and professional settings.

Parameters Measured:

Marine pH
Ammonia
Alkalinity
Calcium
Magnesium
Nitrate (Low and High Range)
Nitrite (Ultra Low Range)
Phosphate (Ultra Low Range)

Included with the HI‐97105:

2 sample cuvettes with caps
2 plastic stoppers
3 AA (1.5V) batteries
Instruction manual and meter quality certificate

Specifications

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 ‐ Yellow to greenish‐blue colour range
Ammonia, Marine Range	0.00 to 2.50 ppm (as NH₃)
Ammonia, Marine Resolution	0.01 ppm
Ammonia, Marine Accuracy	±0.05 ppm ±5% of reading at 25°C
Ammonia, Marine Method	Adaptation of the Salicylate Method
Ammonia, Marine LED	610 nm
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
Magnesium, Marine Range	1000 to 1800 ppm (as Mg²⁺)
Magnesium, Marine Resolution	5 ppm
Magnesium, Marine Accuracy	±5% of reading at 25°C
Magnesium, Marine Method	EDTA Method with calmagite indicator
Magnesium, Marine LED	610 nm
Nitrate Range	0.00 to 5.00 ppm / 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	Zincon / Colorimetric (pink/violet tint)
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	EPA Diazotization Method 354.1 (pink tint)
pH Range	6.3 to 8.6 pH
pH Resolution	0.1 pH
pH Accuracy	±0.2 pH at 25°C
pH Method	Phenol Red Colorimetric 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	Ascorbic Acid Method (blue tint)
Light Source	Light Emitting Diode (LED)
Light Detector	Silicon Photocell
Bandpass Filter Bandwidth	8 nm
Bandpass Filter Wavelength Accuracy	±1.0 nm
Logging	200 readings
Power Supply	(3) 1.5V AA Alkaline
Battery Life	> 800 measurements (no backlight)
Auto‐off	After 15 minutes of inactivity / 30 minutes before READ
Environment	0 to 50°C 0 to 100% RH, non‐serviceable

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