HI 8931 is a panel mounted conductivity controller designed for simplicity of use. For in-line applications, use the HI 7635 probe, while for tanks the HI 7638 with external threads is recommended. These probes are provided with a built-in NTC sensor for temperature compensated conductivity measurements.
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500 ml.
This product has multiple variants. The options may be chosen on the product page
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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
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Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
081-855-1842
02-541-4199
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