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Like its predecessor, the system has been developed to facilitate the online/offline monitoring of total organic carbon (TOC) in pure and ultra pure water. The reliability of fast and accurate readings through conductivity detection has been further enhanced through the adaptation of the direct surface UV oxidation geometry and the optimization of fluidics and sensor coordination.
The improved measurement accuracy increases precision and reduces costs and environmental impact by minimizing water consumption to 7 mL/min – an approx. 50 % saving compared to previous models, which equates to 3600 L/ year less.
New features such as the long-life UV lamp (12 months life time) reduce maintenance costs and minimize waste. The miniTOC² convinces with a low detection limit of 0.5 ppb and an extended measuring range up to 1500 ppb. Our product combines cost efficiency, sustainability and performance – a win-win for you and the environment.
The easy accessibility of all components ensures simple maintenance. The software actively supports maintenance, and a cloud connection enables a service interface for customer support.
Overall, this advanced technology offers a resource-saving and user-friendly solution for various applications in the pure and ultrapure water sector. Discover the numerous benefits today and actively shape a future-oriented solution.
The scheme shows the principle of measuring the TOC via conductivity with miniTOC².
Enhanced UV oxidation performance through the adaption of the direct surface geometry of the UV lamp and the pathway of the fluid.
Shielded sensors reduce the impact of external factors, such as temperature fluctuations, and thereby enhancing measurement stability.
The screen and the fan of the miniTOC² is supplied with IP54 protection as standard. The housing protects the miniTOC² from dust deposits and water jets.
A complete software overhaul delivers a detailed status overview, presenting general information about the device’s status in a clear and concise manner. This includes operating hours for individual sen-sors, pumps, and the UV lamp.
Measurement data can be exported to an ex-ternal storage device in various formats. Additionally, data can be stored in the cloud via a network connection, and if necessary, shared with customer service for error diagnosis.
A sample mode configuration is available, and used to measure separate samples offline. This sequence can be customized by the user.
The miniTOC² can be ordered as configuration with 4 inputs (miniTOC pro). With an additional software upgrade option the user can measure up to 3 loops sequentially.
Software with 21 CFR part11 conformity for pharma applications.
extended conductivity of sample up to 10 µS/cm.
Initiates alarm in case of inlet flow is zero.
The miniTOC² series systems can be equipped with a second pump head, which alternates to handle sample transport, thereby extending runtime and halving the associated pump tube replacement.
If the medium pressure is higher than 1 bar a pressure transducer is required.
If the medium temperature is higher than 50 °C a heat exchanger is required.
Validation documents IQ/OQ and PQ for miniTOC (conform and non conform with 21CFR part 11 software.
| Technical Specifications | |
|---|---|
| method & detection | UV oxidation (partial) & conductivity |
| sample volume flow | approx. 7 mL/min |
| time of measurement | 2 sec (online mode) | 1 min (sample mode) |
| measurement range | 0.5 to 1500 ppb |
| accuracy/ precision | < 0.200 µS/cm ± 0.001 µS/cm > 0.200 µS/cm ± 0.5 % |
| ports | 1 for sample, 1 for SST (basic) | 1 for sample, 3 for SST (pro) |
| related norms | USP <643>, EP 2.2.44, DIN EN 1484 |
| ambient parameters | relative humidity: 10 to 95 %, temperature: 10 to 45 °C |
| analogue outputs | Basic system: 2 x 0-20 mA Output according to Namur NE43 (TOC & Cond.) Pro system: up to 4 x 0-20 mA Output according to Namur NE43 (3 TOC & Cond.) |
| digital outputs | 1 x Relay Signal (Alarms & TOC Limit) |
| dimensions, weight, power | 300 x 200 x 500 mm, 14 kg, 110 - 230 V, 50 Hz, 60 Watt |
| Medium Requirements | |
|---|---|
| type of sample medium | pure or ultra pure water |
| medium conductivity | < 2 µS/cm (upgradable to < 10 µS/cm) |
| inlet pressure | < 1 bar |
| sample temperature | < 50 °C |
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membraPure GmbH, Wolfgang-Kuentscher Str. 14, 16761 Hennigsdorf
