Hanna Instruments HI-705 Silica Low Range Colorimeter Checker HC
Ideal for water quality testing. The Hanna Instruments HI-705 handheld checker is a simple, accurate, and cost effective way to measure low ranges of silica.
The HI-705 uses an adaptation of the ASTM D859 method of heteropoly blue method. The reaction between silica and reagents causes a blue tint in the sample.
Features/Benefits:
Small palm-sized design
Accurate from ±0.03ppm ± 5% of reading
Dedicated to a single parameter
Uses a single AAA battery
Auto Power Off after 10 minutes in inactivity
Built-in timer for timed reaction readings
Ideal for:
Water Quality
Education
Environmental
Water Treatment (Boilers/Cooling Towers)
Supplied With
2 cuvettes and caps,
reagent starter kit x 12 tests (re-ordering information: HI-705-25 x 25 tests),
1 x 1.5V AAA battery,
instruction manual.
Sku:HI-705
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.