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Bluetooth water hardness tester with a solid state sensor that works with an Android smartphone or tablet, offering 2 to 5 point calibration and ±1% F.S. accuracy.
Key specifications
HAD-BT40 Bluetooth Water Hardness Tester
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The HAD-BT40 is a Bluetooth water hardness tester fitted with a solid state sensor and operated from an Android smartphone or tablet. It measures 0.05 to 200 mmol/L, equivalent to 0 to 20000 mg/L as CaCO3, with ±1% F.S. accuracy, and also reads mV within ±2000.0 mV.
Hardness can be shown in °dH, °e, °fH, gpg, mg/L or mmol/L. Calibration uses 2 to 5 points from standards of 0.01, 0.1, 1, 10 and 100 mmol/L, and manual temperature compensation covers 0 to 50°C. Auto-read locks the endpoint, timed interval readings send data to memory or a printer, and a limit alarm warns when results leave a set range.
A calibration due alarm, calibration report and six-digit password protection support quality control. Bluetooth conductivity and dissolved oxygen testers can connect to the same device at the same time for multiparameter monitoring of process and drinking water.
Specifications
29 parameters
Connects over Bluetooth to an Android smartphone or tablet for display and setup.
Reports in °dH, °e, °fH, gpg, mg/L and mmol/L.
Uses standards from 0.01 to 100 mmol/L, with a calibration report of date, points and slopes.
Limit alarm, calibration due alarm and timed interval readings to memory or printer.
Bluetooth conductivity and dissolved oxygen testers can connect to the same device simultaneously.
Al-Shaker specifies the configuration, documents the system, and supports it across Jordan, the GCC, and MENA.
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Share the workflow, capacity, and compliance constraints. We respond with a recommended configuration, not a generic catalogue list.