Hanna Instruments HI-97752 Calcium and magnesium photometer: Range: Ca: 0 to 400 mg/L, Mg: 0 to 150 mg/L
The HI-97752 is an auto-diagnostic portable photometer that benefits from Hanna’s years of experience as a manufacturer of analytical instruments. It 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.
Each photometer is delivered in a cardboard box and is supplied with:
- Sample cuvette (2 pcs.)
- Sample cuvette cap (2 pcs.)
- Plastic stopper (2 pcs.)
- 1.5V AA Alkaline batteries
- Instrument quality certificate
- Instruction manual
The optical system is sealed from outside dust, dirt and water. The meter uses an exclusive positive-locking system to ensure that the cuvettes are placed into the holder in the same position every time.
With the CAL Check™ functionality, users are able to validate the performance of the instrument at any time and apply a user calibration (if necessary). Hanna Instruments CAL Check cuvettes are made with NIST traceable standards.
The built-in tutorial mode guides users step-by-step through the measurement process. It includes all steps required for sample preparation, the required reagents and quantities.
The HI-97752 meter measures two important parameters in:
- drinking water
- surface water
- ground water
- wastewater
- swimming pools
Calcium is a vital plant nutrient and helps to strengthen plant cell walls protecting against heat stress. The method for calcium is an adaptation of the Oxalate Method.
Magnesium is an essential nutrient and helps build a strong immune system. The method for magnesium is an adaptation of the Calmagite Method.
The HI-97752 photometer is a compact and versatile meter suitable for field or bench measurements, featuring a:
- Sophisticated optical system
- Meter validation using certified CAL Check cuvettes
- Tutorial mode guides the user step-by-step
- Auto logging
- Waterproof IP67, floating case
- GLP features
About Calcium and Magnesium
Calcium and magnesium both play important roles in the growth of plants. Calcium helps plant roots develop and increases the resistance and strength of plant tissues and stems. Magnesium is an indispensable mineral that helps in the production of chlorophyll, the light-absorbing green pigment that serves as an energy source for plants. It also increases vitamin concentrations and aids in uptake of phosphorus within the plant body.
Specifications
| Calcium Range | 0 to 400 mg/L (as Ca2+ |
| Calcium Resolution | 1 mg/L |
| Calcium Accuracy | ±0.10 mg/L ±5% of reading |
| Method | Adaptation of the Oxalate Method |
| Magnesium Range | 0 to 150 mg/L (as Mg2+ |
| Magnesium Resolution | 1 mg/L |
| Magnesium Accuracy | ±5 mg/L ±3% of reading |
| Method | Adaptation of the Calmagite method |
| Photometer/Colorimeter Light Source | Light emitting diode |
| Photometer/Colorimeter Light Detector | Silicon photocell with narrow band interference filter @ 420 nm |
| Bandpass Filter Bandwidth | 8 nm |
| Bandpass Filter Wavelength Accuracy | ±1.0 nm |
| Cuvette Type | round, 24.6 mm diameter (22 mm inside) |
| GLP | Date, time of last calibration |
| Display | 128 x 64 pixel B/W LCD with backlight |
| Logging Type | automatic logging |
| Logging Memory | 50 measurement |
| Battery Type/Life | 1.5V AA battery (3 pcs.) / > 800 measurements (without backlight) |
| Automatic Shut-Off | After 15 minutes of inactivity (30 minutes before a READ measurement) |
| Environment | 0 to 50°C (32 to 122°F); relative humidity: 100% (IP 67, floating case) |
| Weight | 380g with batteries |
| Dimensions | 142.5 x 102.5 x 50.5 mm |
Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.