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    Karl Fischer Volumetric TitratorKarl Fischer Volumetric TitratorKarl Fischer Volumetric Titrator

Karl Fischer Volumetric Titrator

  • Titrator with high accuracy, great flexibility and repeatability.

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Karl Fischer Volumetric Titrator for accurate water content determination from 100 ppm to 100%

A practical choice for laboratories that need dependable moisture analysis across a broad range of samples

This Karl Fischer volumetric titrator is designed for laboratories that require reliable water content determination without overcomplicating routine testing. It combines automated titration control, a compact benchtop footprint, and a workflow suited to consistent day-to-day use, making it a strong fit for organizations that rely on professional moisture analysis for quality control, product development, and analytical verification.

Where this system fits best

This type of instrument is especially relevant in pharmaceutical, chemical, petrochemical, food, ingredient, cosmetic, and research laboratories where moisture content can directly affect stability, processing, shelf life, or compliance. For teams working with samples that extend beyond ultra-trace moisture levels, a volumetric Karl Fischer platform offers a practical balance of range, repeatability, and efficient bench operation.

Documented strengths for routine laboratory work

The most clearly established advantages of this system are its broad moisture range, compact design, push-button operation, and its focus on accurate, repeatable Karl Fischer determinations. It is also positioned as a more operator-friendly option for routine use because the design helps reduce reagent exposure while using less bench space than many older moisture-testing setups.



Moisture analysis range

This Karl Fischer volumetric titrator is intended for samples with water content ranging from 100 ppm to 100%, making it suitable for laboratories that need one instrument to support a wide variety of sample types and moisture concentrations within a single analytical workflow.

Why a volumetric Karl Fischer titrator is chosen

Laboratories typically choose a volumetric Karl Fischer system when they need direct water determination for routine or higher-range moisture analysis rather than a more indirect heat-loss estimate. In many workflows, that makes it a better fit for controlled laboratory procedures where method consistency, reproducibility, and moisture-specific results are especially important.



Compact design for modern lab spaces

For facilities where bench space is limited, this model offers a more compact format while still supporting serious analytical work. That makes it easier to integrate into established laboratory layouts, whether the instrument is used in a dedicated QC room, an R&D environment, or a shared testing area.

Operational value in quality control programs

In production and quality environments, moisture is often one of the variables most closely linked to consistency, storage behavior, and process performance. A Karl Fischer titrator such as this one helps laboratories move beyond approximate screening toward more controlled moisture determination, which is especially useful when results support batch release, incoming inspection, or process validation.

Related products for a broader moisture and titration workflow

For laboratories looking to broaden their analytical capability, the Karl Fischer Coulometric Titrator is a strong companion for trace moisture work, the Automatic Potentiometric Titration System supports a wider range of classical titration methods in the same lab, and the MB92 Moisture Analyzer can complement Karl Fischer testing when fast thermal moisture checks are also useful on the production or laboratory floor.



Q&A

What moisture range can this Karl Fischer volumetric titrator measure?

This model is intended for water content determinations from 100 ppm to 100%, making it suitable for a broad range of routine laboratory moisture applications.

When should a lab choose volumetric instead of coulometric Karl Fischer?

A volumetric Karl Fischer titrator is generally the better fit when moisture levels are above trace concentrations and a broader working range is needed. For very low moisture levels, laboratories often consider a coulometric Karl Fischer system instead.

Is this instrument suitable for routine QC laboratories?

Yes. Its format is well suited to routine quality control environments that need repeatable moisture determination, compact bench equipment, and a more streamlined daily testing process.

What kinds of industries use Karl Fischer volumetric titrators?

They are widely used in pharmaceutical, food, chemical, petrochemical, cosmetic, and research laboratories where water content can influence product quality, stability, or process performance.

Why use Karl Fischer testing instead of only a moisture balance?

Karl Fischer analysis is often selected when laboratories need direct determination of water content rather than a heating-based total weight-loss result. That can be especially important when non-water volatiles may influence thermal moisture methods.


SKUHI933-01
Product NameVolumetric Karl Fischer Titrator - HI933
Quote RequiredNo
Titration Range100 ppm to 100%
Titration Resolution1 ppm to 0.0001%
Measurement Units%, ppm, mg/g, μg/g, mg, μg, mg/mL, μg/mL, mg/pc, μg/pc
Sample Typeliquid or solid
Pre-Titration Conditioningautomatic
Background Drift Correctionautomatic or user-selectable value
Endpoint Criteriafixed mV persistence, relative drift stop or absolute drift stop
Dosing Typedynamic with optional pre-dispensing
Result Statisticsmean, standard deviation
Dosing Accuracy±0.1% of full burette volume
Syringe5 mL precision ground glass with PTFE plunger
Valvemotor-driven 3-way, PTFE liquid contact material
TubingPTFE with light block and thermal jacketing
Dispensing Tipglass, fixed position, anti-diffusing
Titration Vesselconical with operation volume between 50 and 150 mL
Solvent Handling Systemsealed system, integrated diaphragm air pump
Connection TypeBNC
Polarization Current1, 2, 5, 10, 15, 20, 30 or 40 uA
mV Range2 mV to 1000 mV
mV Resolution0.1 mV
mV Accuracy±0.1%
Burette5 mL burette
Dosing Pump Resolution1/40000 of the burette volume (0.125 μL per dose) with 5 mL burette
Stirrer Typemagnetic, optically regulated, digital stirrer
Stirrer Speed200 - 2000 RPM
Stirrer Resolution100 RPM
Titrator Methodsup to 100 standard and user defined
Reportsup to 100 complete titration reports and drift rate reports
ConnectivityUSB
Built-in Magentic Stirrermagnetic, optically regulated, digital stirrer; 200 to 2000 rpm; resolution 100 rpm
Display5.7” graphical color display with backlight
Keypadpolyester
LanguagesEnglish, Portuguese, Spanish, and French
Power Supply100-240 Vac, 50/60 Hz / 0.5 Amps
EnvironmentOperating
Dimensions315 x 205 x 375 mm (12.4 x 8.1 x 14.8")
WeightApproximate 4.3 kg (9.5 lbs) with 1 pump, stirrer and sensors
Ordering InformationHI933 is supplied with HI76320 dual platinum pin electrode, dosing pump, 5 mL burette assembly with tubing, air pump/stirrer assembly with tubing, beaker and bottle top assemblies and all fittings, desiccant cartridges (4) with indicator desiccant, stir bar, waste bottle, calibration key, USB cable, power cable, USB flash drive, quality certificate, ISO 8655 burette compliance report, and instruction manual binder