Investing in a photometer
Choose from the proven range of fast, accurate and economical instruments.
Select Scientific stocks and supports quality photometers from premium manufacturers from the USA and Germany. They offer performance features, innovative design and cost-effective onsite water testing for the water professional and domestic user alike.
Compare parametersQuick overview
| Photometer | Designed for |
|---|---|
| PoolLab 2.0 | Pool and process water testing |
| PrimeLab 2.0 | Professionals in pool and spa, water testing, environmental and process |
| Pool eXact EZ | Residential pool testing |
| Chlorine+ eXact EZ | Process water testing |
| eXact Micro 20 | Drinking water, pools and spas, environmental, process and educational testing |
PoolLab 2.0
The PoolLab 2.0 is the newest photometer from Water-ID, makers of the PrimeLab photometer. Water-ID brought their experience making high quality professional photometers to the consumer market with the PoolLab.
The PoolLab 2.0 is the perfect solution for professional water analysis of pools and spas. The fixed but exchangeable triple measurement-cuvette allows quick sampling by simply dipping the IP68 waterproof PoolLab into the water. The device has 9 buttons to give quick access to the ZERO operation (only required 1 x per measurement batch) and to the 24 different pool water parameters.
It has a waterproof rating of IP68, so the whole device can be dipped into the water to collect the sample. The device has onboard storage of results and Bluetooth to connect to a phone or tablet. This allows you to save results digitally and optionally upload them to the cloud where they can be synchronised with other devices (computers, phones or tablets).
View PoolLab 2.0
PrimeLab 2.0
The new PrimeLab 2.0 leads the next generation of multi-function photometers and offers users an impressive array of powerful performance & features. Highly accurate readings via 18 parallel wavelengths provides accurate testing for more than 140 parameters and methods including turbidity and legionella.
Users simply purchase whichever parameters they require via a powerful software app whilst the PrimeLab itself offers exceptional connectivity via WiFi, USB & Bluetooth, a free cloud storage service, direct connection of electrodes for pH, EC, TDS, Temp, and ORP, built in camera & QR code scanner for linking test results, sampling points and geographic locations, plus a robust and fully stocked carry case for field or lab use. PrimeLab also offers a full solution via pre-set kits which enable users to be fully equipped with all the necessary testing requirements within the framework of the specific industry they are working in.
Perfect for drinking water, laboratories, waste water, marine, cooling and boiler water, C.O.D., pools, food and beverage and other critical industries, the PrimeLab 2 uses standard economical reagents and is the pinnacle of mobile water testing devices.
View PrimeLab 2.0
Pool eXact EZ v2 Photometer
Maintain your pool water chemicals the safe and easy way with the Pool eXact EZ! The slim, compact design is easy to use and is ideal for the commercial and home pools alike. The Pool eXact EZ uses their patented eXact Strips, a quick and easy reagent system. See below for more information about the eXact strip reagent system.
View Pool eXact EZ v2 Photometer
Chlorine+ eXact EZ
The Chlorine + eXact EZ tests 9 important water quality parameters and uses the patented eXact Strips, same as the Pool eXact EZ. This photometer is perfect for process water testing. You will be amazed at how effortless it is to achieve accurate results within seconds.
View Chlorine+ eXact EZ
eXact Micro 20 Bluetooth
The ultimate water quality tester, the eXact Micro 20 with Bluetooth SMART is a powerful dual-wavelength photometer system that uses Bluetooth technology to connect wirelessly to your phone or tablet. It quickly does on-site testing for over 40 parameters as a stand alone unit, or paired with our new eXact iDip smartphone app. The dual narrow band wavelength filters ensure delivery of the most accurate results.
View eXact Micro 20 Bluetooth
The eXact Strip Reagent Method
Now there is an alternative to powder pillows, powder packets, tablets, glass ampoules, and liquid systems: eXact Reagent Strips! By dipping a strip into a cell, the exact amount of reagent is released into the water causing a reaction. The reaction inside the water sample is measured by light inside the photometer giving the user fast and exact results.

Parameter comparison
✓ = a test and range listed in the supplied information. — = no entry supplied. LR = low range; HR = high range; VLR = very low range.
| Parameter | PrimeLab 2.0 | PoolLab | PoolLab 2.0 | Pool eXact EZ v2 | eXact Micro 20 | Chlorine+ eXact EZ |
|---|---|---|---|---|---|---|
| Price | N/a | N/a |
N/a |
|||
| Active Oxygen | Listed test: (0 - 40ppm) |
No entry supplied |
No entry supplied |
Listed test: (0 - 30ppm) |
No entry supplied |
No entry supplied |
| Alkalinity, Total | Listed test: (5 - 200ppm) |
Listed test: (0 - 300ppm) |
Listed test: (0 - 200ppm) |
Listed test: (10 - 200ppm) |
Listed test: (8 - 200 ppm) |
No entry supplied |
| Aluminum | Listed test: (0 - 0.3ppm) |
No entry supplied |
Listed test: (0 - 0.3ppm) |
No entry supplied |
Listed test: (0.01 - 1.20ppm) |
No entry supplied |
| Ammonia | Listed test: (0 - 1ppm) |
No entry supplied |
Listed test: (0 - 1.2ppm) |
No entry supplied |
Listed test: (0.02 - 2.40ppm) |
No entry supplied |
| Boron | Listed test: (0 - 2ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Bromine | Listed test: (0 - 18ppm) |
Listed test: (0.0 - 13.5ppm) |
Listed test: (0 - 18ppm) |
No entry supplied |
Listed test: (0.01 - 12.0ppm) |
Listed test: (0.00 - 17ppm) |
| Calcium Hardness | Listed test: (0 - 500ppm) |
Listed test: (0 - 500ppm) |
Listed test: (0 - 500ppm) |
Listed test: (20 - 700ppm) |
Listed test: (20 - 400ppm) |
No entry supplied |
| Chloramines | Listed test: (0 - 8 ppm) |
No entry supplied |
Listed test: (0 - 8 ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
| Chloride | Listed test: (0.5 - 25ppm) |
No entry supplied |
No entry supplied |
Listed test: (80 - 6700ppm) |
Listed test: (3 - 270ppm) |
No entry supplied |
| Chlorine Dioxide | Listed test: (0 - 15.0ppm) |
Listed test: (0.0 - 11.4ppm) |
Listed test: (0 - 15.0ppm) |
No entry supplied |
Listed test: (0.04 - 7.00ppm) |
Listed test: (0.00 - 6ppm) |
| Chlorine, Free | Listed test: (0.00 - 8ppm) |
Listed test: (0.00 - 6.00ppm) |
Listed test: (0.00 - 8ppm) |
Listed test: (0.00 - 12.0ppm) |
Listed test: (0.01 - 6.20ppm) |
Listed test: (0.00 - 12.0ppm) |
| Chlorine, Combined/Total | Listed test: (0.00 - 8ppm) |
Listed test: (0.00 - 6.00ppm) |
Listed test: (0.00 - 8ppm) |
Listed test: (0.00 - 12.0ppm) |
Listed test: (0.01 - 6.20ppm) |
Listed test: (0.00 - 12.0ppm) |
| Chlorine, High Range | Listed test: (5 - 200ppm) |
No entry supplied |
No entry supplied |
Listed test: (5 - 200ppm) |
Listed test: (1 - 270ppm) |
Listed test: (1.0 - 200ppm) |
| Chromium (VI) | Listed test: (0 - 2.2ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.01 - 1.80ppm) |
No entry supplied |
| COD | Listed test: (0 - 15000ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Colour | Listed test: (15 - 500ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Copper | Listed test: (0 - 5ppm) |
No entry supplied |
Listed test: (0 - 5ppm) |
Listed test: (0.00 - 9.0ppm) |
Listed test: (0.01 - 10.0ppm) |
No entry supplied |
| Cyanide | Listed test: (0.01 - 0.5 mg/l (CN⁻)) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.01 - 10.0ppm) |
No entry supplied |
| Cyanuric Acid | Listed test: (2 - 160ppm) |
Listed test: (0 - 160ppm) |
Listed test: (2 - 160ppm) |
Listed test: (1 - 110ppm) |
Listed test: (1 - 110ppm) |
No entry supplied |
| DBNPA | Listed test: (0 - 13ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Fluoride | Listed test: (0 - 2ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.04 - 1.50ppm) |
No entry supplied |
| Hardness, Total | Listed test: (LR: 2 - 50) (HR: 20 - 500ppm) |
Listed test: (0 - 500ppm) |
Listed test: (0 - 500ppm) |
No entry supplied |
Listed test: (LR: 1 - 80ppm) (HR: 60 - 600ppm) |
No entry supplied |
| Hydrogen Peroxide | Listed test: (0 - 3.8ppm) |
Listed test: (LR: 0.00 - 2.90ppm) (HR: 0 - 200ppm) |
Listed test: (LR: 0.00 – 2.90ppm) (HR: 0 – 200ppm) |
No entry supplied |
Listed test: (0.3 - 100ppm) |
Listed test: (0.5 - 130ppm) |
| Iodine | Listed test: (0 - 28ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Iron, Total | Listed test: (0 - 1ppm) |
No entry supplied |
Listed test: (0 - 1ppm) |
No entry supplied |
Listed test: (0.03 - 6.0ppm) |
No entry supplied |
| Legionella | Listed test: (60 - 1000000 cfu/test) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Manganese | Listed test: (VLR: 0 - 0.030ppm) (LR: 0.2 - 5ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.02 - 1.50ppm) |
No entry supplied |
| Molybdate | Listed test: (LR: 0 - 15ppm) (HR: 1 - 100ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.01 - 3.00ppm) |
No entry supplied |
| Nickel | Listed test: (0 - 7ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Nitrate | Listed test: (0.00 - 11.00ppm) |
No entry supplied |
Listed test: (0 - 100ppm) |
No entry supplied |
Listed test: (0.12 - 30.0ppm) |
No entry supplied |
| Nitrite | Listed test: (LR: 0 - 0.5 ppm) (HR: 0 - 1500ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.01 - 1.80ppm) |
No entry supplied |
| Ozone | Listed test: (0 - 5.4ppm) |
Listed test: (0.00 - 4.00ppm) |
Listed test: (0 - 5.4ppm) |
No entry supplied |
Listed test: (0.01 - 2.00ppm) |
Listed test: (0.00 - 2ppm) |
| Peracetic Acid | Listed test: (LR: 0 - 10 ppm) (HR: 0 - 300ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.01 - 430ppm) |
Listed test: (2 - 590ppm) |
| pH | Listed test: (5 - 11) |
Listed test: (6.5 - 8.4) |
Listed test: (6.5 - 8.4pH) |
Listed test: (6.4 - 8.4) |
Listed test: (6.4 - 8.4) |
Listed test: (6.4 - 8.4) |
| Phenol | Listed test: (0 - 5ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| PHMB | Listed test: (2 - 60ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Phosphate | Listed test: (LR: 0 - 4ppm) (HR: 0 - 80ppm) |
No entry supplied |
Listed test: (LR: 0 - 4ppm) (HR: 0 - 80ppm) |
Listed test: (0.2 - 3.0ppm) |
Listed test: (0.03 - 4ppm) |
No entry supplied |
| Potassium | Listed test: (0.7 - 12ppm) |
No entry supplied |
Listed test: (0.7 - 12ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
| PTSA | Listed test: (0 - 1000ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| QAC | Listed test: (25 - 150ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (2 - 80ppm) |
No entry supplied |
| Sodium Hypochlorite | Listed test: (0.2 - 40 %) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Sulphate | Listed test: (5 - 100ppm) |
No entry supplied |
Listed test: (5 - 100ppm) |
No entry supplied |
Listed test: (2 - 210ppm) |
No entry supplied |
| Sulphide | Listed test: (0.04 - 0.5 ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Listed test: (0.01 - 1.6ppm) |
No entry supplied |
| Suspended Solids | Listed test: (10 - 750ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Turbidity | Listed test: (0.02 - 1000 NTU) |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
No entry supplied |
| Zinc | Listed test: (0 - 1ppm) |
No entry supplied |
Listed test: (0 - 1ppm) |
No entry supplied |
No entry supplied |
No entry supplied |
Information is correct at time of publishing (May 2018). New tests may be available; contact us for information.


