A portable turbidimeter lets you measure the cloudiness of water samples directly in the field, at treatment plants, or anywhere lab access is limited. Turbidity readings indicate how much suspended matter (such as sediment, algae, or organic particles) is present in a sample, making them a key indicator of water quality in drinking water systems, wastewater treatment, and food and beverage production.
Hanna Instruments manufactures portable turbidity meters that comply with internationally recognised testing standards. Depending on your application and regulatory requirements, you can choose between EPA-based or ISO-based models, or select a specialty meter designed for brewing and winemaking.
Two measurement standards govern how turbidity readings are taken and reported. The standard your industry or regulatory body requires will determine which meter you need.
Not sure which standard applies to you? Contact our team at (65) 6296-7118 for guidance on local regulatory requirements in Singapore and the region.
The table below gives a side-by-side overview of every portable turbidimeter in our range. Use it to narrow down the right model based on your compliance needs, measurement range, and budget.
Model | Standard | Units | Additional Parameters | Best For | Price (SGD) |
EPA 180.1 | NTU | None | Drinking water compliance, municipal water testing | $2,423 | |
ISO 7027 | FNU | None | International compliance, coloured water samples | $2,423 | |
EPA 180.1 | NTU | Free & total chlorine | Drinking water where turbidity and chlorine are both monitored | $2,583 | |
ISO 7027 | FNU | None | General-purpose field turbidity testing (ISO markets) | $1,875 | |
ISO 7027 | EBC | None | Beer haze measurement (European Brewery Convention) | $1,058 | |
ISO 7027 | FTU, EBC, ASBC, HELM | None | Breweries and wineries needing multi-unit haze readings | $1,813 |
If your testing must meet US Environmental Protection Agency (EPA) standards, choose from our EPA Method 180.1 compliant meters. These models use a tungsten lamp to measure scattered light at a 90-degree angle, reporting results in NTU.
The HI98703 is our dedicated EPA turbidity meter with accuracy of ±2% of reading plus 0.02 NTU. It features a Fast Tracker Tag Identification System (T.I.S.) for sample management, USB data transfer, and up to four-point calibration using AMCO-AEPA-1 primary standards.
For labs and water treatment plants that need to test both turbidity and chlorine residual, the HI93414 combines a nephelometer and photometer in one handheld device. It measures turbidity to EPA 180.1 and chlorine to EPA Method 330.5, reducing the number of instruments a field technician needs to carry.
For users working under international standards, our ISO 7027 models measure turbidity using an infrared LED at 860 nm. Because the infrared light source is not absorbed by coloured compounds in the sample, these meters produce more reliable readings in natural water sources, wastewater, and coloured liquids.
The HI98713 is our full-featured ISO portable meter with Fast Tracker T.I.S., USB connectivity, and up to four-point calibration. The HI93703 offers the same ISO 7027 compliance at a lower price point with up to three-point calibration, making it a practical option for routine field testing.
Haze and clarity are quality indicators in brewing and winemaking. Standard turbidity meters report in NTU or FNU, but the brewing industry uses its own set of units: EBC (European Brewery Convention), ASBC (American Society of Brewing Chemists), FTU (Formazin Turbidity Units), and HELM.
The HI93124 is a dedicated EBC haze meter for quick, on-the-spot checks during production. For breweries and wineries that need to report in multiple units, the HI847492 displays results across four scales (FTU, EBC, ASBC, HELM) without manual conversions.
Every portable turbidimeter from Hanna Instruments is built with fieldwork in mind. Shared features across the range include:
Need a turbidity meter that stays in the lab? See our benchtop turbidimeters for higher-throughput testing with continuous power and larger displays. You can also browse our full turbidimeter range to compare portable and benchtop options side by side.
Selecting the right meter comes down to three questions:
Still not sure which model fits your application? Call our Singapore team at (65) 6296-7118 or visit our contact page to request a consultation.
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NTU (Nephelometric Turbidity Units) and FNU (Formazin Nephelometric Units) both measure turbidity using a 90-degree detection angle, but they differ in the light source used. NTU readings come from meters that use a white-light tungsten lamp (as specified by EPA Method 180.1), while FNU readings come from meters that use an infrared LED at 860 nm (as specified by ISO 7027). For clear water samples, NTU and FNU values are very similar. However, for coloured or tinted samples, FNU readings are generally more accurate because infrared light is not absorbed by colour compounds in the water.
It depends on your regulatory environment. If your testing must comply with US EPA requirements or local regulations that reference EPA Method 180.1, you need an EPA-compliant meter like the HI98703. If you operate under international standards (common across Europe, Asia-Pacific, and Singapore), an ISO 7027-compliant meter like the HI98713 is the right choice. When in doubt, check with your local water authority or industry regulator to confirm which standard applies.
Hanna Instruments recommends calibrating before each measurement session or at least once per day during regular use. All our portable turbidimeters support multi-point calibration using AMCO-AEPA-1 primary standards, which are included with every meter. If you are working in a regulated environment (such as drinking water testing), your local authority may specify a minimum calibration frequency that you must follow.
Yes. The HI93414 is a dual-parameter portable meter that measures both turbidity (EPA 180.1) and free and total chlorine (EPA 330.5) in a single device. This is especially useful for drinking water operators who need to monitor both parameters at multiple points in the treatment process without carrying two separate instruments.
Standard turbidity meters report in NTU or FNU, which are not the units used in brewing and winemaking quality standards. For beer haze testing, the HI93124 reports directly in EBC (European Brewery Convention) units. If you need to report across multiple brewing scales, the HI847492 displays results in FTU, EBC, ASBC, and HELM without manual conversion.
Portable turbidimeters are battery-powered, lightweight, and designed for field measurements where you need to take readings at different locations. Benchtop turbidimeters are mains-powered, offer larger displays, and are better suited for high-volume lab testing where the meter stays in one place. Both types deliver the same level of accuracy when properly calibrated. Choose portable if your work involves moving between sampling points; choose benchtop if most of your testing happens in a fixed laboratory setting.
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