
DR4900 Laboratory Spectrophotometer
The new benchtop spectrophotometer that succeeds the DR3900, with a 10-inch screen and built-in test diagnostics.
- New
- DR3900 successor
- 10"
- touchscreen
- Auto
- test diagnostics
HACH makes water-quality instruments and reagents used in laboratories, in the field and online. Aqualytic is the authorised HACH distributor for Gauteng, Limpopo, Mpumalanga, North West and Free State.
Spectrophotometers and colorimeters, turbidimeters, electrochemistry meters and probes, COD and TOC analysis, titrators, HACH chemicals and reagents (DPD, TNTplus, AccuVac, Test ’N Tube) and standards, online analysers, sc controllers, Blue Drop and Green Drop monitoring panels, samplers, spares and service.
A selection of what we supply. Ask us for models not listed.

The new benchtop spectrophotometer that succeeds the DR3900, with a 10-inch screen and built-in test diagnostics.

Proven benchtop VIS spectrophotometer with over 220 pre-programmed methods. Being replaced by the DR4900.

HACH's most advanced laboratory spectrophotometer, with high-speed UV-VIS scanning and 250 pre-programmed methods.

Rugged portable spectrophotometer with over 220 of the most commonly used water methods.

Rugged multi-parameter handheld colorimeter with over 90 methods: measure in less than four clicks.

Compact, waterproof free and total chlorine colorimeter, trusted by water professionals for almost two decades.

Fast, reliable colour measurement of clear liquids on Hazen, Saybolt, Gardner, ASTM and other scales.

High-range laboratory turbidimeters (0–4 000 or 0–10 000 NTU) for industrial and wastewater samples.

Low-level laboratory turbidimeter with patented 360° x 90° detection for filtered and final water.

Lightweight, rugged turbidimeter designed to EPA Method 180.1, with guided calibration and data logging.
Ready-to-use stabilised formazin primary standards for turbidimeter calibration.

Multi-parameter meters with Intellical smart probes that are recognised the instant they are plugged in.

Automatic titration with pre-set applications: accurate, repeatable results without complex programming.
Digestion reactor for COD, total nitrogen and total phosphorus cuvette tests.
Pre-dosed COD cuvette test for final effluent and low-load samples.
Pre-dosed COD cuvette test for influent and high-load samples.
Respirometric BOD system that tracks oxygen demand in up to six sample bottles.

Laboratory TOC analyser that combines acid, oxidiser and dilution water into a single reagent.

High-temperature catalytic combustion analyser for simultaneous TOC and total nitrogen in demanding samples.

Rugged, easy-to-use portable laboratory for on-site drinking-water results.

Portable microbiology laboratory for the Most Probable Number method, including turbid and non-potable samples.

Turbidity, suspended solids and sludge-blanket measurement in one handheld device.

Smart, simple, reliable composite water sampling for remote and mobile sites.

Pre-engineered drinking-water distribution panel: pH, conductivity, turbidity, chlorine, pressure and temperature on one SC4500.
Online DPD analyser for free or total chlorine in drinking water.
Low-range online turbidimeters (TU5300sc, TU5400sc) for filter and final-water monitoring.

Universal controller for HACH digital and analogue sensors: the hub of Blue Drop and Green Drop panels.

Optical DO sensor for activated-sludge aeration control, with no membranes or electrolyte.

Online suspended-solids and sludge-blanket measurement for clarifiers, thickeners and settling basins.

Digital sc and analogue process sensors for pH, ORP and conductivity in clean to heavily fouling streams.

One platform, multiple technologies: online colorimetric, ISE, titration and chemiluminescence analysers.
One online analyser for carbon contamination and nitrogen/phosphorus nutrients in dirty samples.

Online TOC for effluent, condensate, ultrapure and drinking water, with two-stage advanced oxidation.
Looking for an alternative? Compare options in the same categories: Laboratory Water Analysis, Spectrophotometers & Colorimeters, Turbidimeters.
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