LimsPulse
General lab & storage

Laboratory Water Purification System

Produces purified and ultrapure water for the laboratory by combining pretreatment, reverse osmosis, ion exchange, UV and final filtration. Supplies water for HPLC mobile phases, standards, reagents and microbiology.

  • Pharmaceutical
  • Biotech
  • Clinical labs
  • Universities
  • Environmental
  • Food & beverage
Photo of a Laboratory Water Purification System
Photo: Pleple2000, CC BY-SA 3.0 (cropped), via Wikimedia Commons
TROUBLESHOOTING

Common problems, causes and fixes

Resistivity below specification
Likely causes
  • • Exhausted ion-exchange cartridge
  • • Poor feed water quality
  • • Faulty or dirty resistivity cell
What to do
  • • Replace the polishing cartridge
  • • Check pretreatment and RO performance
  • • Verify the sensor and clean or replace it
TOC rising
Likely causes
  • • UV lamp at end of life
  • • New cartridge not rinsed
  • • Contaminated reservoir
What to do
  • • Replace the UV lamp
  • • Rinse new cartridges as instructed
  • • Sanitise the reservoir
Low flow at dispenser
Likely causes
  • • Blocked point-of-use filter
  • • Low reservoir level
  • • Pump fault
What to do
  • • Replace the final filter
  • • Check RO production
  • • Call service
Microbial counts out of limit
Likely causes
  • • Infrequent sanitisation
  • • Contaminated outlet or filter
  • • Water standing in lines
What to do
  • • Sanitise the system
  • • Replace the final filter and clean the outlet
  • • Increase recirculation or use frequency
In LimsPulse · Calibration Management

Keep every Lab water system in control: usage logs, calibration and maintenance schedules, and automatic blocking of overdue instruments.

See how