pH meter watertight for the control of plating baths
The first pH existing in the market for the measurement of pH on the plating baths in the presence of strong currents / magnetic fields.
Direct measurement of pH in electroplating baths was considered impossible due to the interference of the electric fields present in the bathrooms themselves. To allow such a measure it was decided to transfer to a portable instrument now used the same technique of professional tools for the process, with Matching Pin. At the Matching-Pin was combined with a protective titanium which acts as a Faraday cage. The combination of the two technologies has enabled the direct measurement with an accuracy of 0.01 pH even in the toughest conditions. The use of titanium, instead of stainless steel, allows the use in any kind of working electroplating, without restrictions.
The electrode is also equipped with temperature sensor and signal amplifier incorporated. The instrument measures -2.00 to 16.00 pH, displaying at the same time the temperature measurement.
Graphical symbols and signs guide the user in performing the various operations,
HI 99131 is also equipped with stability indicator reading and HOLD function, which allows you to set the reading on the display to write it down comfortably.
The pH calibration is automatic with 2 sets of memorized buffers. The battery life is more than 1200 hours, and the percentage of charge remaining is displayed on the instrument power on.
SPECIFICATIONS HI 99131
PH scale -2.00 to 16.00 pH
Resolution pH 0.01 pH
Accuracy pH (at 20 ° C) ± 0.02 pH
Scale temperature -5.0 to 105.0 ° C / 23.0 to 221.0 ° F
Temperature resolution 0.1 ° C / 0.1 ° F
Accuracy at 20 ° C temperature ± 0.5 ° C (up to 60.0 ° C) ± 1.0 ° C (over) / ± 1.0 ° F (up to 140.0 ° F), ± 2.0 ° F (outside)
PH Calibration Automatic 1 or 2 points with 2 sets of memorized buffers (pH 4.01/7.01/10.01 or pH 4.01/6.86/9.18)
Temperature Compensation Automatic -5.0 to 105.0 ° C
PH electrode HI 62911, amplified, titanium-coated, with temperature sensor and Matching-Pin (included)
Supply 3 x 1.5V AAA / approximately 1200 hours of continuous use, automatic shut-off after 8 minutes of inactivity
Dimensions and weight 152 x 58 x 30 mm / 205 g
Accessories HI 99131
HI 62911D Combination pH electrode with titanium body, temperature sensor, DIN connector and 1 m cable for HI 99131
HI 70004P Solution pH 4, 25 sachets of 20 ml
HI 70007P Solution pH 7.01, 25 sachets of 20 ml
HI 7004L Solution pH 4.01, 500 mL
HI 700661P Cleaning Solution for General Purposes, 25 sachets of 20 ml
HI 7007L Solution pH 7.01, 500 mL
HI 7010L Solution pH 10.01, 500 mL
HI 70300L Electrode storage solution, 500 mL
HI 710023 Protective rubber boot orange instrument type HI 991001N
HI 710024 Protective rubber boot blue instrument type HI 991001N
HI 77400P Solutions pH 4 and 7, 5 +5 20 mL sachet