"WTW" (1041 results)

Photometric test kit for measurement of Arsenic
Available ranges:
0.001 - 0.100 mg/l As

Number of tests: 30 (Reagent tests)
Sample volume required: 350ml
Cuvette type: 10mm, 20mm

Compatible with photometers:
photoLab S12
photoLab Spectral
pHotoFlex 0.002 - 0.100 mg/l As

Additional information:

Note:
additionally needed: sulfuric acid 95-97% p.A. and Zinc, gran. p.A.

Reaction:
Hydrogen aresenic / silver diethyldithiocarbamate analog EN 26595 and EPA 206.4, US Standard Methods 3500-As

Applications:
Groundwater, surface water, drinking water, wastewater

Easy-to-operate, standard DO-meter with backlit LCD graphic display, for mobile routine measurement.
Set with CellOx® 325.
Instrument in field case with:
- Galvanic DO-probe CellOx® 325
- Electrolyte
- 3 exchange membrane heads
- Stand
- Beaker
Including short instruction manual, CD-ROM, batteries

Professional, field proven DO-meter with backlit LCDgraphic display, for mobile measurement with data logger and waterproof USB-interface

Set with CellOx® 325

Instrument in field case with:
- Galvanic DO-probe CellOx® 325
- Electrolyte
- 3 exchange membrane heads
- Stand
- Beaker

Including:
- Short instruction manual
- CD-ROM
- Batteries
- Driver software for USB
- Cable

4-electrode-conductivity cell with built-in temperature sensor, 1.5 m (4.5 ft) cable, water proof plug, cell constant k= 0.475 cm-1, for application in acidic environments, head made of PEEK.

Potentiostatic D.O. sensor with integrated temperature sensor

Design according to the minimum requirements defined by ATV (Waste water association) in bulletin M 256 for meters to be used at waste water treatment plants

Digital potentiostatic D.O. sensor (3-electrode principle)
- For connection to the IQ SENSOR NET multiparameter measuring system
* With integrated temperature sensor

Equipped with the following features:
- Integrated lightning protection
- Sensor monitoring function (SensCheck)
- Zero current free electrode system
- Exchangeable membrane head with robust 50 um special membrane
- Lowest incident flow required
- Thermistor system for temperature compensation
- OxiCal air calibration without accessories
- With screw / plug connector for connection of the SACIQ sensor connection cable

Measuring range (25°C):
- 0 ... 60 mg O2/l
- 0 ... 600 % saturation

Response time (t90):
- 180 seconds

Temperature range:
- Operating range: 0 °C ... 60 °C
- Storing range: -5 °C ... 65 °C

Sensor length:
- 360 mm (incl. adapter of the sensor connection cable)

Material:
- Membrane / sensor head, protective hood: POM
- Enclosure shaft: V4A stainless steel 1.4571

Type of protection
- IP 68 (with the SACIQ sensor connection cable connected)

Power consumption:
- 0.2 watt

Potentiostatic D.O. sensor with integrated temperature sensor

Design according to the minimum requirements defined by ATV (Waste water association) in bulletin M 256 for meters to be used at waste water treatment plants

Potentiostatic D.O. sensor (3-electrode principle)
- To be connected to the EcoLine® or QuadroLine® series measuring transmitters
* With integrated temperature sensor and built-in preamplifier for low impedance, interference-free signal transmission

Equipped with the following features:
- Integrated lightning protection
- Sensor monitoring function (SensCheck)
- Zero current free electrode system
- Exchangeable membrane head with robust 50 um special membrane
- Lowest incident flow required
- Double thermistor system for temperature compensation
- OxiCal air calibration without accessories

Measuring range (25°C):
- 0 ... 60mg O2/l
- 0 ... 600 % saturation

Response time (t90):
- 180 seconds

Sensor length:
- 196mm

Connection cable:
- 15m long, with watertight plug (IP 65)

Type of protection:
- IP 68 (sensor)

Potentiostatic D.O. sensor with integrated temperature sensor

Design according to the minimum requirements for measuring instruments used at waste water treatment plants defined by ATV (waste water association) in bulletin M256

Potentiostatic D.O. sensor (3-electrode principle)
- To be connected to the EcoLine® or QuadroLine series measuring transmitters
* With integrated temperature sensor and built-in preamplifier for low impedance, interference-free signal transmission

Equipped with the following features:
- Integrated lightning protection
- Zero current free electrode system
- Exchangeable membrane head with robust 50um special membrane
- Lowest incident flow required
- Double thermistor system for temperature compensation
- OxiCal air calibration without accessories

Measuring range (25°C):
- 0 ... 60mg O2/l
- 0 ... 600 % saturation

Response time (t90):
- 180 seconds

Sensor length:
- 196mm

Connection cable:
- 15m long, with watertight plug (IP65)

Type of protection:
- IP 68 (sensor)

Robust pH combination electrode, with plastic shaft and liquid electrolyte
The SenTix® 52 is ideal for pH measurements in lab applications and in the field

Specifications:
Model: SenTix 52 pH Probe
Body material: Plastic
Electrolyte: Liquid electrolyte
Cable: BNC + Banana
Cable Length: 1 meter
Refillable: Yes
Temperature Sensor: Yes, NTC 30 kW
Waterproof: No
Pack: Pack of 1

SenTix® Range: Standard electrodes with gel and precision electrodes with liquid gel electrolyte for pH measurements in lab applications and in the field

• Maintenance-free gel reference system across the entire product life
• Quick repsonse time by good connection to the medium for electrodes with liquid filled reference system
• Best results thanks to high-quality membrane glasses

ORP combination electrode (platinum) for installation in depth armature series TA 197-pH, polymer electrolyte, pin hole junction

Technical buffer solution pH = 10.01; Container with 10 bottles with 1 liter each

Technical buffer solution pH = 10.01; Container with 25 bottles with 1 liter each

Technical buffer solution pH = 10.01; Container with 10 bottles with 250 ml each