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Photometers (Multi-function)
We have a great selection of photometers to measure many different parameters of water in industry, laboratories, countryside, pools etc
Photometers (Multi-function) to measure many different parameters of water in industry, laboratories, countryside,  pools ... On our website we have 4 digital multifunctional photometers for water analysis (spare components and reagents included). If required, we can also offer you photometers for other parameters of water. The photometers are powered by batteries or connected to the mains at 230 V (with adapter). The control of water quality with solid devices is becoming more and more important nowadays, just as the photometers to measure different parameters. These phtotometers release laboratory staff of daily water analysis. The photometers to determine the chemical need of oxygen are specially requested due to their use. If you have questions about the photometers, you can contact us at: UK customers +44(0) 23 809 870 30 / US customers (561) 320-9162 . Our technicians and engineers will be happy to advise you on these and other photometers, and of course, on the other products of our range (regulation and control, scales and balances.).

Here you can see moisture testers for wood from this company:

Photometers (Multi-function)Photometers by Söll GmbH

The technical specifications of the Photometers (Multi-function) can be found on the following links: 

- Photometers (multi-function) - pisciculture
  (Multifunctional photometers for key parameters in fish farming)

Photometers (Multi-function) for key parameters in fish farming.Photometers (Multi-function)

- Photometers (multi-function) AQUA-CHECK & AQUA-CHECK 2
   (photometer to determine oxygen in water, pH, chlor, phosphate, O2, etc.)

Photometers AQUA-CHECK & AQUA-CHECK 2 to monitor aquatic parametersPhotometers by Söll GmbH

- Photometers (multi-function) - pools 
(Multifunctional photometers for daily control in pools and bathrooms)

Photometers (Multi-function) for daily control in pools and bathrooms.Photometers (Multi-function)

- Photometers (multi-function) - Industry
  (Multifunctional photometers to measure up to 45 parameters, software, and RS-232 interface for data transmission)

Photometers (Multi-function) to measure up to 45 parameters, software, and RS-232 interface for data transmission.Photometers (Multi-function)

- Photometers (multi-function) -  Oxygen
  (Photometer to determine the chemical oxygen demand and other parameters)

Photometers (Multi-function) to determine the chemical oxygen demand and other parameters.Photometers (Multi-function)

You can also visit our multifunctional photometers webpage 

The measuring principle is very simple photometers. The combination of reactive components of water and produces a characteristic colour. Photometers send light through the sample with a given wavelength. A photocell detects the intensity of the irradiated sample and compares the result with the output. Absorbed radiation is transmitted and calculated concentration. Below is an outline about it.

Photometers create the  light needed by means of a diode with energy savings. These devices are easy to use and can be offered with a hanheld variant. Photometers measure the intensity (I) of the light beam directed through the filled cuvette by means of  the photocell. The measurement is compared with the last known output current (Io). The portion of light striking the photocell is converted into an electric current and it is driven through a digital analog transformer of the measurement of electronics. Here you determine the amount of absorbed radiation and the concentration. Lambert law - Beer 'sche establishes a mathematical relationship between extinction E and the concentration c of water content: A = log Io / I. Absorption is defined as follows:
A Lambda cd = € (€ Lambda = extinction coefficient, c = molar concentration of the substance, d = thickness of the cu-beta). The extinction measured with photometers E is proportional to the concentration of water content. The extinction depends only on the concentration of a given factor and a constant thickness of the cuvette. The law has unlimited validity, but it starts with a light single wavelength, known as the monochromatic light. If the selected wavelength is within the visible range (400 ... 800 nm), the measurement with the photometer should take place in a dark place for the photometer to determine the correct amount of incident light and not be influenced by the sun. Before starting a series of measurements, you must perform a reset by means of a test strip. To do this, you should fill the bucket with the sample  test to analyse and adjust the setting by pressing the "ZERO"  in the photometer.

If you wish to view or print a selection of photometers from our catalogue, click on the PDF symbol.
Go to the Photometers (Multi-function) catalogue.

Topseller in Measuring Instruments

You are currently at: Home / measuring instruments and test equipmentPhotometers (Multi-function)

If you have any questions, call our offices on:
UK customers +44(0) 23 809 870 30
US customers (561) 320-9162

This page in German Photometers (Multi-function) in German. in Italian Photometers (Multi-function) in Italian. in Spanish Photometers (Multi-function) in Spanish. in Croatian Photometers (Multi-function) in Croatian. in French Photometers (Multi-function) in French. in Dutch Photometers-Multifunction in Dutch. in Hungarian Photometers-Multifunction in Hungarian.
in Czech Republic Photometers-Multifunction in Czech Republic. in Bulgaria Photometers-Multifunction in Bulgaria. in Polish Photometers-Multifunction in Polish. in Russian Photometers-Multifunction in Russian. in Turkish Photometers-Multifunction in Turkish. and in Portuguese Photometers-Multifunction in Portuguese..

Below you will find an overview of the different product groups of measuring instruments

Absolute Humidity Meters
Alert Meters
Air velocity meters
Analyzers (Colour)
Analyzers (Combustion)

Analyzers (Gas)
Analyzers (Lan)
Analyzers (Noise)
Analyzers (Oxygen)
Analyzers (Ozono)

Cable detectors (electrical)
Cameras (Infrared Thermal Imaging)
Capacitance Meters
Coating Thickness Meters
Chlorine Meters
Clamp Meters
Climate Meters
Colour Meters

Conductivity Meters
Contact Thermometers
Current detectors

Data Loggers
Differential Pressure Meters
Digital Multimeters
Detectors (Humidity, Radiation, Voltage)
Dose Meters (Noise)

Dust particle analyzers

Electric Tester
Flow Meters Air
Flow Meters Gas
Force Gauges (digital)
Function generators
Frequency Meters
Gas Detector
Handheld Tachometers
Hardness Meters
Humidity Testers (Building material)
Indicator Sound Level
Indicator (Humidity)
Instruments (Environmental)

Impedance bridges
Infrared Thermometers
Insulation Meters
Lan Network Testers
Laser Distance Meters
Laser level
Laser meters
Laser thermometers
LCR Meters
Length Meters
Light Meters
Lux Meters
Material Thickness Meters
Measurement Devices (Force)
Measuring Meters (Distance)
Measuring Wheels
Meters (Combustion, Distance, Earth,
Energy, Environmental, Gas, Gloss, Ground pH, PowerPressure, Radiation, Salt, Temperature)
Modular signal Converters
Moisture Indicator

Multi-Parameter Photometers
Noise Meters
Ohm Meters
Oxygen Meters
Ozone Meters
Paper Moisture Meters

Phase rotation meters
Photovoltanic meters
Pitot tube air flow meters
Pocket pH-meters
Power Analyzers
Pressure Gauges
Quality Meters (Air)
Radiation Counters
Radioactivity meters
Reader (Temperature)
Recorders Data
Redox Meters
Relative Humidity Meters
Resistance Testers
Rotation meters
Roughness tester
Rotation meters
Roughness tester
Sensor (Temperature)
Signal converters
Signal Level Analyzers
Single-parameter Photometers
Sound Level Meters
Systems for Environmental
Stethoscopes (electronic)
Surface Thickness Meters

Telescope Meters
Temperature Probes
Testers Air
Testers Conductivity
Testers Earth
Testers Insulation
Testers Noise
Testers pH
Testers paper
Testers Sound
Testers Temperature
Thermal stress
Thermal Imaging Cameras
Thickness Meters
Torque meters

Ultrasonic Flow Meters

VDE tester
Vibration Meters
Video endoscopes
Voltage meters
Weather Stations
Wood (humidity)

Below you will find an overview of the different product groups of scales and balances

 Accurate scales
 Analytical scales
 Animal scales

 Baby scales
 Basic scales

 Bench scales

 Cask scales
 Crane scales
 Compact scales
 Counting scales

 Density scales
 Dosing scales

 Electronic scales

 Floor scales
 Force meter

 Hanging scales

 Hook scales
 Hopper scales
 Household scales
 Humidity scales

 Industrial scales
 Inventory scales

 Jewellery scales

 Kitchen scales

 Laboratory scales
 Lifting scales
 Load cranes
 Load scales

 Mechanical scales
 Micro scales
 Moisture scales
 Multifunction scales

 Package scales
 Pallet truck scales
 Pallet scales
 Paper scales
 Pharmacy scales
 Piece counting scales
 Platform scales
 Pocket scales
 Postal scales

 Precision scales
 Probe cutter

 Retail scales

 Scales for analysis
 Scales for carat
 Scales for colleges
 Scales for dentistry
 Scales for gold
Scales for people
 Scales for school
 Scales for transit

 Scales for weighing pallets
 Scales with a support
 Scales with counter
 Scales with software
 Shipping scales
 Spring scales
 Surface scales

 Systems (Hanging)

 Tabletop scales
 Thermo scales
 Trade scales

 Vehicle scales
 Verifiable scales
 Veterinary scales

 Water resistant scales
 Weighing hooks
 Weighing platforms
Weighing scales
 Weight indicator