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Testomat 330 (F-BOB/808) indicator 141009

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500 ml bottle original Testomat® 808/BOB indicator 330 for measuring residual hardness.

This specific indicator is widely used where monitoring hard-water breakthrough is essential, but where operating parameters allow for a minor, controlled residual threshold before regenerating or shutting down:

  • Commercial Water Softening Systems: Installed directly on the outlet line of duplex or simplex industrial softeners to constantly verify that the ion-exchange resin hasn't exhausted its capacity.

  • Reverse Osmosis (RO) Pre-Treatment: Protects delicate polyamide RO membranes from scaling. An unexpected hardness breakthrough above $3\text{ °dH}$ would rapidly precipitate calcium carbonate onto membrane surfaces, fouling elements and driving up trans-membrane pressure.

  • Boiler Feedwater & Steam Generators: Monitors make-up and condensate return loops. Preventing scale formation on heat exchanger tubes maintains optimal thermal efficiency and avoids localized overheating or tube failure.

  • Industrial Process Water: Utilized in plating/galvanization plants, laundry facilities, and cooling tower loops where precise water blending or hardness limits prevent chemical precipitation.

 
Limit value: 
3°dH residual hardness
5.34 °fH
53.4 ppm CaCO3
0.534 °mmol/l

Dimensions

Height 7 cm
Length 11 cm
Width 14 cm

Weight

Weight 650 g

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Frequently Asked Questions

What are the key functions of the Testomat 808 indicator 330 141009?
Clear Color Change for Water Hardness The indicator changes color when water hardness exceeds a set limit. The Testomat® 808 or F-BOB analyzer reads this change to check water quality: Green Light: Water hardness is below the target level. Red Light: Water hardness has reached or exceeded the limit, triggering alarms or regeneration cycles. Precise Monitoring at 3.0 °dH This indicator is designed for systems that use a 3.0 °dH (German Hardness) threshold, ensuring accurate monitoring across different units: 53.4 ppm (mg/L) as CaCO₃ 5.34 °fH (French Hardness) 0.534 mmol/L (Total alkaline earth ions) (Note: The official standard for part number 141009 is calibrated to the 3.0 °dH limit.) Protects Your Equipment By flagging when the 3.0 °dH limit is crossed, the indicator prevents scale buildup in important systems: Reverse Osmosis (RO) Pre-Treatment: Protects RO membranes from hard water scaling, which would reduce water quality and increase pressure. Commercial Softeners: Acts as an automatic quality check, confirming when softeners need regeneration before hard water enters the system. Boiler Feedwater Systems: Prevents scale in steam generators and boiler tubes, keeping heat transfer efficient. Easy Integration and Clean Dosing Direct Installation: The 500 ml bottle fits directly into the Testomat® 808, using the original tube and cap. This design prevents pouring mistakes and contamination. Micro-Dosing Precision: The formula is matched to the Heyl dosing pump, delivering a consistent ≈80 μL per analysis for accurate results over 6,250 tests. Warranty Compliance: Using the original 141009 solution avoids staining the measuring cell and protects the pump from wear, keeping your device's warranty valid.