The Hanna Instruments HI 8734 Three Range TDS Portable Meter with HI 76301D conductivity probe has not only been specifically designed for the water conditioning industry, but particularly in the softening, demineralization, reverse osmosis and drinking water applications. Three ranges of measurement ensure the highest accuracy possible. All three ranges can be executed at the touch of a button, without having to change the conductivity probe. This makes it very easy to switch applications without having to worry about recalibration.

To enhance accuracy and efficiency, MTC (Manual Temperature Compensation) is available using a knob on the front panel. For the best protection in the field, the four ring potentiometric probe is made of rugged PVC. To access difficult areas, the probe is supplied with a 1 m (3.3') cable and has a preset ratio between conductivity and TDS is factory set at 0.5.

Features:

• Four-ring Probe - The four-ring probe that comes with the HI8734 offers a versatile and accurate solution for TDS readings. Four ring technology allows for a larger range of measurement within a single probe, whereas two probe technology is somewhat limited in the range in which it can measure. The probe comes with a protective PVC sleeve that assures durability when taking measurements outdoors.

• Three Measurement Ranges - HI8734 offers three TDS measurement ranges. Each range has a dedicated button on the face of the meter, allowing users to easily switch between ranges when necessary. The meter is programmed to let the user know when their current reading is out of range, and a new range should then be selected.

• TDS Factor - The TDS value in aqueous solutions is directly proportional to conductivity. The ratio between the two parameters depends on the solution being measured. The HI8734 has a set TDS factor of 0.5 that is common for many solutions, meaning that 1 μS/cm is equal to 0.5 mg/L (ppm) of TDS.

• Manual Temperature Compensation - Since temperature has such a dramatic effect on conductivity readings, having a meter that offers temperature compensated readings is invaluable. Once measured with an accurate thermometer, the temperature of the sample can be input on the meter using the temperature knob. The meter then accounts for the effects of temperature on the sample’s TDS reading in the range of 0 to 50°C (32 to 122°F). The temperature compensation coefficient, also known as β, is set at 2%/°C; this factor corrects the reading 2% for each degree Celsius change in the sample.

• One-point Calibration -  The HI8734 can be calibrated at one point in a standard TDS solution. The calibration knob located on the face of the meter is easily adjusted to the correct calibration standard.

What's in the Box:

• (1) HI76301D conductivity probe

• (1) HI70032 1382 mg/L (ppm) calibration solution sachet

• (1) Battery

• (1) Instruction manual.

Brochure/Datasheet

Instruction manual

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