
Hanna Instruments-991003 Extended Range pH Meter with pH/ORP electrode & °C sensor
The Hanna Instruments- 991003 has a large LCD screen making it more user friendly. It also has tutorial messages for calibration and setup, missing probe indicator, a rugged ergonomic case, faster battery replacement, plus the probe is situated on the top for better balance.
The Hanna Instruments-991003 is ideal for plating baths, wastewater, swimming pool and spa water quality and environmental applications. This meter is a portable pH/pH-mV/ORP/temperature meter with our unique Sensor Check feature that allows the user to determine the electrode status at any time.
The Hanna Instruments-1297D pH/ORP/temperature probe features an easy to clean recessed tip that prevents solids in solutions from collecting on the sensor. The stainless steel and titanium body of these probes function as a potential matching pin for increased stability of readings and extended sensor life.
This compact instrument fits in the palm of your hand and the bottom probe connection ensures the electrode cable doesn't get in your way.
Key features
- pH Sensor Check; Allows users to check electrode status at any time
- Multi-level LCD display; Display the current measurement simultaneously with the current temperature
- On-screen tutorial messages
- Automatic Temperature Compensation
- Automatic one or two point calibration
- Hanna Instruments-1297 pH/ORP/Temperature and HI 1296 pH/Temperature probe in titanium enclosure
- BEPS; (Battery Error Prevention System)
- Compact, heavy-duty, and water resistant
Supplied with
- Hanna Instruments-1297D pH/ORP probe with internal temperature sensor
- Starter pack of buffer and cleaning solutions
- Batteries and instructions
- Rugged carrying case
Accessories
Protective rubber holsters are a popular option for the Hanna Instruments- 991001 meter. Available to buy separately Blue or Orange rubber, they encase the meter in a flexible neoprene shell and offer protection against accidental damage resulting from drops and spills. When used in the field the rubber holsters make the meters easy to hold with wet hands.
- Hanna Instruments-710023 - Holster in Orange
- Hanna Instruments-710024 - Holster in Blue
Replaceable Electrode – No need to replace the whole meter when the electrode needs replacing. Spare and replacement electrodes are available for this product.
Water Resistant – Can withstand temporary exposure to water, but should not be submerged or washed under running water.
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.