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Onsite+

Product catalog summary

Overview
Onsite+ is a polishing water purification system designed for laboratories with a daily water consumption of 5–10 liters. It requires pre-treated feed water via reverse osmosis or distillation and includes an embedded tank for pre-treated water storage.

Models and Applications

Onsite+ Trace (CB-1901): Suitable for atomic absorption spectrometry, plasma optical emission spectrometry, and other inorganic trace analyses.
Onsite+ HPLC (CB-1903): Designed for chromatography and mass spectrometry applications.
Onsite+ Bio (CB-1905): Ideal for microbiology, molecular biology, and highly sensitive biological applications.

Specifications

All models produce ultrapure water (Grade 1) with a resistivity of 18.2 MΩ x cm and conductivity of 0.055 μS/cm at 25 °C.
Total Organic Carbon (TOC) levels are <10 ppb for Trace and <5 ppb for HPLC and Bio models.
Bio model has additional specifications for RNase, DNase, and endotoxins.
Dimensions for all models are 30x44x64 cm, with system weights ranging from 16 to 17 kg.

Features

Colour graphic LCD display for user interface.
Conductivity sensor and volumetric dispensing available in all models.
TOC monitor included in HPLC and Bio models.
Integrated 5 L storage tank for pre-treated water.
Installation options include laboratory bench or wall mounting.

Consumables and Replacement

Polishing module “Polishing+”: Replace when water conductivity exceeds 0.1 μm/cm or every 12 months.
UV photooxidation bulb: Replace every 2 years (only for Bio and HPLC models).
Point-of-use microfilter: Replace every 6–12 months (only for Trace and HPLC models).
Point-of-use ultrafilter: Replace every 3–6 months (only for Bio model).

Flow Diagrams
The document includes detailed flow diagrams for each model configuration, illustrating the water purification process, including components like dispense valves, flow meters, solenoid valves, and polishing modules.

Catalog excerpts

ONSITE+ Onsite+ is a polishing water purification system, for which the feed water must be pre-treated by reverse osmosis or distillation. System contains an embedded tank that has to be filled with pre-treated water before operation. Onsite+ series systems are recommended for laboratories with average daily consumption of water within 5-10 litres. Model Part number Water type ultrapure water (Grade 1) • atomic absorption spectrometry • plasma optical emission spectrometry • other inorganic trace analysis ultrapure water (Grade 1) ultrapure water (Grade 1) • mass spectrometry highly sensitive biology • microbiology applications • molecular biology Conductivity sensor colour graphic LCD display Volumetric dispensing • • Connection to Flow point • • Storage tank integrated tank 5 L for pre-treated water Installation installable either on a laboratory bench or on a wa Consumables Part number Description Replacement criteria Polishing module Grade 1 water conductivity is >0.1 pm/cm "Polishing+" constantly or every 12 months 10018 UV photooxidation bulb 2 years on average Only for „Bio"and „HPLC" 10013 Point-of-use microfilter Every 6-12 months Onlyfor „Trace"and „HPLC" 10120 Point-of-use ultrafilter Every 3-6 months Onlyfor „Bio&

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Specifications Trace Ultrapure water resistivity at 25 °C Ultrapure water conductivity at 25 °C Total Organic Carbon (TOC) level Particles >0.22 μm Dimensions (WxDxH), cm Feed water conductivity * In appropriate operating conditions <2 ppb, otherwise normally <5 ppb. Flow diagrams Recirculation Recirculation valve valve Dispense Dispense valve valve Flow Flow meter meter Pump Pump Conductivity Conductivity sensor sensor Integrated Integrated storage storage tank tank 0,22µmµmdispense dispense 0,22 filter filter Polishing Polishing module module Onsite+ Trace Pump Pump TOCmonitor monitor/ / TOC...

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Onsite+

Onsite+

Catalog excerpts

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