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Hanna Instruments HI 9811-5N pH Meter, +14pH max, +70 °C max

RS Stock No.:
Mfr. Prt No.:
HI 9811-5N
Hanna Instruments

Technical Reference

Legislation and Compliance

RoHS Status: Not Applicable

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 7243677
Product description Hanna Instruments HI 9811-5N pH Meter, +14pH max, +70 °C max
Manufacturer / Brand Hanna Instruments
Manufacturer part number HI 9811-5N

The foregoing information relates to product sold on, or after, the date shown below.


Date Jul 5, 2022

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: RO

Product Details

Hannah Instruments HI 9811-5N pH/EC/TDS/°C Portable 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.

SUPPLIED_WITH : Rugged carry case, multi-parameter probe, 1382 ppm

Features and Benefits:

• Water resistant
• Battery % display
• Auto temperature compensation
• Fast response times

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.


Attribute Value
Brand Hanna Instruments
Maximum pH +14 pH
Minimum pH 0 pH
pH Resolution 0.1 pH
Best pH Accuracy ±0.1 pH
Maximum Temperature Measurement +70 °C
Minimum Temperature Measurement 0 °C
Temperature Measurement Resolution 0.1 °C
Best Temperature Measurement Accuracy ±0.5 °C
Maximum Conductivity 6000 µS/cm
Minimum Conductivity 0 µS/cm
Conductivity Resolution 10 µS/cm
Best Conductivity Accuracy ±2 %
Model Number p HI 9811-5N
Weight 230 g
Dimensions 145 x 80 x 36 mm
Minimum Total Dissolved Solids 0 mg/L
Minimum Operating Temperature 0 °C
Height 36 mm
Total Dissolved Solids Resolution 10 mg/L
Battery Life 150 h
Length 145 mm
Best Total Dissolved Solids Accuracy ±2 %
Battery Type 9V
Power Source Battery
Width 80 mm
Maximum Total Dissolved Solids 3000 mg/L
Maximum Operating Temperature +50 °C
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