HACH · Laboratory and onlineWater testing, from the lab to the line
Spectrophotometers, turbidimeters, meters and online analysers, with the reagents to run them.
Water testing and laboratory instruments in South Africa
HACH · Laboratory and online
Rocker · Filtration and digestionOil-free pumps built for filtration
Vacuum pumps, rotary manifolds and TSS filtration sets for suspended-solids work, plus the CR 25 COD reactor.
Kikkoman · Hygiene monitoringFind the residues other tests miss
Lumitester Smart with LuciPac A3 detects ATP, ADP and AMP, so hygiene checks catch more than ATP-only tests.
Labcon · Made in South AfricaIncubators and ovens, made locally
Forced-circulation and low-temperature incubators, drying ovens, furnaces and baths from a South African manufacturer.
Kreon · Wireless sensor networksWireless for the sensors you already have
THREADbridge puts existing wired sensors on a secure wireless network and sends their data to the cloud.
25+Years
Rooted in South Africa
Supplied and supported from Pretoria since 2000, with Liquid Science partners across all 9 provinces.
We reply to every enquiry within 1 business day.
Start here
What do you need to do?
Pick the job. We match the technology, from any of our brands, and support it locally.
Laboratory & Water Analysis
Spectrophotometers, turbidimeters, meters and reagents.
ExploreOnline & Process Monitoring
Sensors, controllers, panels and telemetry.
ExploreFood Safety & Microbiology
Rapid pathogen tests, ATP hygiene and E. coli detection.
ExploreLaboratory Equipment
Balances, incubators, stirrers, pumps and readers.
ExplorePure Water & Sample Preparation
Lab water systems, filtration and sample preparation.
ExploreServices
Calibration, repairs, training, installation and rentals.
ExploreMost requested
All productsBest sellers
The instruments, reagents and consumables our customers ask for most.
2100Q Portable Turbidimeter
DR900 Handheld Colorimeter
DR4900 Spectrophotometer
TU5300sc Online Turbidimeter
CL17sc Chlorine Analyser
SC4500 Controller
HQ Series Meters
Lumitester Smart & LuciPac A3
Rocker 300 Vacuum Pump
Rocker SolarVac Manifold
HACH TNT+ Vial Tests
DPD Free Chlorine Powder Pillows
DPD Total Chlorine Powder Pillows
HACH COD Digestion Vials
StablCal Turbidity Standards
Find your instrument
What do you need to measure?
Tick one or more parameters. We list the instruments that cover them, best match first.
Online monitoring & engineering
See it the moment it changes
From one sensor to a complete panel with telemetry, dashboards and alarms, built and supported by one team.
- SANS 241 evidence
- SMS & email alarms
- Built locally
Blue Drop panel · WTW-01SC4500 → THREADbridge → AiR → cloud dashboard
- pHIn rangeSANS 241: 5.0–9.77.62▼ 0.1%
- TurbidityIn rangeTU5300 · limit ≤ 1 NTU0.20NTU▲ 8.6%
- Free chlorineIn rangeCL17sc · limit ≤ 5 mg/L0.60mg/L▼ 18.6%
- ConductivityIn rangelimit ≤ 1 700 µS/cm421µS/cm▲ 3.7%
Readings over the last 24 hours
MeanMinMaxLast
Peak against the limit
- pH13%of the 5.0 to 9.7 band
- Turbidity29%of 1 NTU
- Free chlorine15%of 5 mg/L
- Conductivity25%of 1 700 µS/cm
Highest reading in 24 hours, as a share of the SANS 241 limit.
Hour by hour
Alarms this week 0pH
Turbidity
Free chlorine
Conductivity
24 h18 h12 h6 hnow
Brighter means higher for that parameter. Each row has its own scale.
Demo data showing how a Blue Drop panel reports on the live dashboard.
Brand portfolio
See all brandsDistributors of 18 brands. One local team.
Tell us what you need to measure
Send a product list, part numbers or a tender specification. A specialist will recommend the right solution and send your quote, usually within one working day.