HI-8424 Handheld Water Resistant pH Meter with pH electrode and °C probe
HI-8424 Handheld Water Resistant pH Meter with pH electrode and °C probe
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The Hanna HI-8424 is a portable pH and mV meter designed for laboratories, educational institutions, industrial applications and field testing. It provides accurate measurements of pH, oxidation-reduction potential (ORP) and temperature, making it a versatile instrument for routine water quality testing and laboratory analysis.
The meter offers a wide pH measurement range, 0.01 pH resolution and an accuracy of ±0.01 pH. Automatic one- or two-point calibration with three memorised buffer values (pH 4.01, 7.01 and 10.01) makes calibration straightforward and reliable.
The supplied HI-1230B pH electrode features a durable PEI body and double-junction design, while the separate HI-7662 temperature probe enables automatic temperature compensation for accurate pH measurements.
For ORP measurements, the pH electrode can be replaced with a compatible ORP electrode connected through the BNC input.
With its splash-resistant housing, HOLD function, clear display and approximately 150 hours of battery life, the HI-8424 is a practical solution for dependable measurements in the laboratory and out in the field.
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Description
Description
One of the most popular pH meters on the market, this splashproof, portable meter delivers fast, accurate pH, ORP and temperature measurements.
Not only does it offer a 0.01 pH resolution across the pH scale, but it is also easy to use without constant reference to an instruction manual.
Calibration is automatic at one or two points with three memorised buffer values - pH 4.01, 7.01, 10.01.
Once the instrument has been calibrated, the buffer values used during calibration are displayed with tags on the display screen. This keeps users informed of the current calibration and helps to avoid taking measurements that are out of range.
Key features
Robust splashproof casing Clear LCD display with low battery indicator Keyboard sealed against water & dirt HOLD function freezes readings for ease of recording Calibration, temperature compensation and buffer recognition are all automatic Three standard buffer values Calibration tags on LCD Auto shut-off
Supplied with
HI 1230B pH electrode HI 7662 temperature probe HI 70004 pH 4.01 buffer solution sachets HI 70007 pH 7.01 buffer solution sachets HI 700661 electrode cleaning solution sachets x 2 Battery, protective case and instructions
Want to test Redox/ORP?
Purchase part number HI 3230B Redox/ORP probe to obtain Redox/ORP readings in the mV range.
Specifications
Specifications
| Range | mV | ±699.9 mV; ±1999 mV |
| Range | Temperature | -20.0 to 120.0°C / -4.0 to 248.0°F |
| Resolution | pH | 0.01 pH |
| Resolution | mV | 0.1 mV; 1 mV |
| Resolution | Temperature | 0.1°C / 0.1°F |
| Accuracy | pH | ±0.01 pH |
| Accuracy | mV | ±0.2 mV; ±1 mV |
| Accuracy | Temperature | ±0.4°C / ±0.8°F |
| pH Calibration | automatic, 1 or 2 point with 3 memorized buffer values (4.01, 7.01, 10.01) | |
| pH Calibration | Offset Calibration | ±1 pH |
| pH Calibration | Slope Calibration | 75 to 110% |
| Input Impedance | 1012 Ohm | |
| Temperature Compensation | Automatic, -20 to 120°C (-4 to 248°F) or manual without temperature probe | |
| pH Electrode | HI 1230B, double junction, gel filled PEI (PolyEther-Imide) body, BNC connector, 1 m (3.3') cable (included) |
|
| Temperature Probe | HI 7662 with 1 m (3.3') cable (included) | |
| Battery Type / Life | 1 x 9V / approx. 150 hours of continuous use; auto-off after 20 minutes of non-use or disabled (user-selectable) |
|
| Environment | 0 to 50°C (32 to 122°F); RH max 100% | |
| Dimensions | 164 x 76 x 45 mm (6.5 x 3.0 x 1.8") | |
| Weight | 180 g (6.3 oz.) |
Safety Data Sheet
Safety Data Sheet
Manuals
Manuals
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