Hanna Instruments pH Meter, 0 → 3999 μS/cm, 0 → +14 pH HI991300

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): RO
Product Details

Hannah Instruments HI-991300 Waterproof pH Meter

Specifically designed for agricultural use this device is ideal for greenhouses, hydroponics, farming as well as many more applications. Multi-parameter, water resistant and versatile this is the ideal portable meter.

Featuring a large LCD dual display screen, it includes onscreen instructions for calibration simplifying the process. With a built-in temperature sensor, temperature changes are compensated making it reliable. The specially engineered temperature probe utilises a fibre junction and gel electrolyte providing a fast response and reducing contamination.

Particularly designed to withstand harsh environments such as fertiliser solutions this portable meter is reliable, durable and robust.

Features and Benefits:

• Auto-off function
• Keystroke confirmation tone
• Waterproof casing IP67
• Replaceable Electrode
• Auto temperature compensation
• Fast response times

Accessories available:

HI 1288 (469-7507): spare pH / EC / TDS / °C probe
HI 710007 (375-3937): blue shockproof case.
Alkaline batteries (stock no. 591-657) also available separately from the catalogue.

Where is a pH Meter used?

From laboratories and quality control to schools, pH meters have a wide range of application. They are often used in solutions to indicate alkalinity or acidity, some also measure electrical potential, these are called "potentiometric pH meters". Usually with a meter and a probe, some pH meters also measure temperature. Whatever type of measurement is needed RS offers a wide range of pH meters to meet your pH measurement needs.

Supplied with

Rugged carry case, H/EC/TDS probe with built-in temperature sensor, DIN connector and 1mm cable, pH 4.01 & 7.01 buffer sachets, HI-70031 (484-8755) 1413 μS/cm and HI-70032 (434-2336)1382 ppm 1 sachet of each, HI-700601 Electrode cleaning solution (2 sachets), 100ml beaker, battery and instructions.

Attribute Value
Maximum pH +14pH
Minimum pH 0pH
pH Resolution 0.01pH
Best pH Accuracy ±0.01pH
Maximum Temperature Measurement +60 °C
Minimum Temperature Measurement 0°C
Temperature Measurement Resolution 0.1°C
Best Temperature Measurement Accuracy ±0.5 °C
Maximum Conductivity 3999µS/cm
Minimum Conductivity 0µS/cm
Conductivity Resolution 1µS/cm
Best Conductivity Accuracy ±2%
Length 150mm
Maximum Total Dissolved Solids 2000ppm
Width 80mm
Total Dissolved Solids Resolution 1ppm
Weight 210g
Battery Type AAA
Minimum Total Dissolved Solids 0ppm
Power Source Battery
Battery Life 500 h
Best Total Dissolved Solids Accuracy ±2%
Height 36mm
Minimum Operating Temperature 0°C
Dimensions 150 x 80 x 36mm
Maximum Operating Temperature +50°C
Model Number p HI 991300
7 In stock for delivery within 5 working day(s) (Global Stock)
Price (ex. GST) Each
$ 1,370.95
(exc. GST)
$ 1,508.05
(inc. GST)
Per unit
1 +
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