Hanna HI746 Iron Low Range Checker for Freshwater
| Brand | |
|---|---|
| Model | HI-746 |
| Sample type | Freshwater |
| Measurement | Iron, low range |
| Measuring range | 0–999 ppb |
| Display resolution | 1 ppb |
| Accuracy at 25°C | ±20 ppb ±5% of reading |
| Starter tests | 25 |
| Power | 1 × 1.5 V AAA battery |
| Manufacturer weight | 64 g |
The HI746 measures iron from 0 to 999 ppb with a 1 ppb display increment. It provides a digital result for low-range freshwater investigations, including source-water checks where a higher range iron instrument is too coarse for the intended measurement.
Supplier delivery: Direct dispatch from Hanna Instruments. The supplier currently estimates around two weeks for delivery; timing is subject to supplier confirmation.
£102.82 (inc VAT)
Hanna HI746 Iron Low Range Checker for Freshwater
Low-level iron readings in freshwater
The HI746 measures iron from 0 to 999 ppb with a 1 ppb display increment. It provides a digital result for low-range freshwater investigations, including source-water checks where a higher range iron instrument is too coarse for the intended measurement.
Choosing the right measurement
The HI746 and HI721 high range iron Checker cover different concentration ranges. Use the range, resolution and preparation method that suit the sample rather than treating the two instruments as interchangeable. Record whether your results are in ppb or ppm before comparing trends.
Technical overview
| Specification | Details |
|---|---|
| Sample type | Freshwater |
| Measurement | Iron, low range |
| Measuring range | 0–999 ppb |
| Display resolution | 1 ppb |
| Accuracy at 25°C | ±20 ppb ±5% of reading |
| Starter tests | 25 |
| Power | 1 × 1.5 V AAA battery |
| Manufacturer weight | 64 g |
What is included
- HI746 Checker
- Two sample cuvettes with caps
- Iron low range starter reagents for 25 tests
- Two glass cylinders with rubber caps
- Battery, instructions and quick start guide
Reagents and optional accessories
Use HI746-25 as the 25-test reagent refill. HI746-11 is a separate instrument check set.
Care and reliable results
Keep the sample vessels clean, prepare the water according to the HI746 instructions and allow the correct reaction time. Use the model-specific iron reagent; the optional HI746-11 standards check the instrument rather than replacing a sample test.
Compare related options
Further Hanna supplies and comparisons
Matching methods and supplies
Match the exact instrument and method. These are separate products; check the supplied contents before adding another item.
- Hanna HI746-25 Iron Low Range Reagents for HI746, 25 Tests — Match the full instrument code and analytical method. Reagents are separate from the instrument and from verification standards; no substitution by shared parameter name.
Care and method preparation
Cleaning, storage and sample preparation have different roles. Follow the instructions for the exact instrument and method.
- Hanna HI93703-50 Cuvette Cleaning Solution, 230ml — Cloths and cleaning liquid have separate optical-care roles. This is not an instrument-specific reagent, standard, mandatory extra or supplied-item promise.
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