"WTW" (1041 results)

Sun shield

Sun shield for measuring transmitters / modules of the IQ SENSOR NET and field measuring transmitters of the 170/ 171 series
- Required for fastening the instruments to the mounting stands

Material:
- ASA

Wide range power supply module for IQ SENSOR NET

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

Module IQ/Power Supply
- With wide range power supply unit
- For line power supply of the IQ SENSOR NET

Equipped with the following features:
- Input voltage 90 - 264V AC 50/60Hz
- Line power consumption approx. 25V A
- Max. power delivery 18 Watt
- Output voltage approx. 24V DC
- With 3 free SENSOR NET connections, usable for IQ sensors or for the SENSOR NET
- Stack mounting (and at the same time electrical connection) to any IQ SENSOR NET module possible
- With ID recognition
- High EMC interference immunity
- Integrated lightning protection

Usable for:
- System 182
- System 184 XT
- System 2020 XT

System communication:
- Digital transmission technique

Enclosure material:
- PC - 20 % GF (polycarbonate with 20 % glass fiber)

Dimensions:
- 144 x 144 x 52mm (W x H x D)

Temperature range:
- Operating range: -20°C ... 55°C
- Storing range: -25°C ... 65°C

Instrument protection:
- IP 66 type of protection

Protective class / overvoltage category:
- II / II

Test certificates:
- CE
- cETL
- ETL

Branching module for IQ SENSOR NET

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

Module IQ/Junction Box
- With four SENSOR NET connections
- For the multiple connection of sensors or transit module of the IQ SENSOR NET

Equipped with the following features:
- With four free SENSOR NET connections, optionally usable for IQ sensors or for the SENSOR NET
- Stack mounting (and at the same time electrical connection) to any IQ SENSOR NET module possible
- With ID recognition
- High EMC interference immunity
- Integrated lightning protection

Applicable for System 184 XT and System 2020 XT

Power supply:
- Directly via the IQ SENSOR NET (low voltage max. 24V DC)

System communication:
- Digital transmission technique

Enclosure material:
- PC - 20 % GF (polycarbonate with 20 % glass fiber)

Dimensions:
- 144 x 144 x 52mm (W x H x D)

Temperature range:
- Operating range: -20°C ... 55°C
- Storing range: -25°C ... 65°C

Power consumption:
- 0.1 watt

Instrument protection:
- IP 66 type of protection

Protective class / overvoltage category:
- II / II

Test certificates:
- CE
- cETL
- ETL

Relais-Output module for IQ SENSOR NET

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

Module IQ/relay 6
- With 6 relay outputs
- Limit-/Alarm relay

Equipped with the following features:
- 6 relais outputs that can be assigned arbitrarily (250V AC/5 A bzw. 24V DC/5 A); potential-free
- Error behavior according to Namur NE43
- With 2 free SENSOR NET connections, usable for IQ sensors or for the IQ SENSOR NET
- Stack mounting (and at the same time electrical connection) to any IQ SENSOR NET module possible
- With ID recognition
- High EMC interference immunity
- Integrated lightning protection

Applicable for System 184 XT and System 2020 XT

Power supply:
- Directly via the IQ SENSOR NET (low voltage max. 24V DC)

System communication:
- Digital transmission technique

Enclosure material:
- PC - 20 % GF (polycarbonate with 20 % glass fiber)

Dimensions:
- 144 x 144 x 52mm (W x H x D)

Temperature range:
- Operating range: -20°C ... 55°C
- Storing range: -25°C ... 65°C

Power consumption:
- 3 watt

Instrument protection:
- IP 66 type of protection

Protective class / overvoltage category:
- II / II

Test certificates:
- CE
- cETL
- ETL

Output module for IQ SENSOR NET

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

Module IQ/Current 6
- With 6 current outputs
* For analog transfer of measured values

Equipped with the following features:
- 6 galvanically separated current outputs (0/4-20mA) that can be assigned arbitrarily
- Error behavior according to Namur NE43
- With 2 free SENSOR NET connections, usable for IQ sensors or for the SENSOR NET
- Stack mounting (and at the same time electrical connection) to any IQ SENSOR NET module possible
- With ID recognition
- High EMC interference immunity
- Integrated lightning protection

Applicable for System 184 XT and System 2020 XT

Power supply:
- Directly via the IQ SENSOR NET (low voltage max. 24V DC)

System communication:
- Digital transmission technique

Enclosure material:
- PC - 20 % GF (polycarbonate with 20 % glass fiber)

Dimensions:
- 144 x 144 x 52mm (W x H x D)

Temperature range:
- Operating range: -20°C ... 55°C
- Storing range: -25°C ... 65°C

Power consumption:
- 3 watt

Instrument protection:
- IP 66 type of protection

Protective class / overvoltage category:
- II / II

Test certificates:
- CE
- cETL
- ETL

Switch panel installation set

Set for panel mounting of measuring transmitters or modules of the IQ SENSOR NET

Top hat rail mounting set

Set for top hat rail mounting of measuring transmitters or modules of the IQ SENSOR NET

Spare lamp

Spare lamp for photometer block for TresCon® Total Phosporus, Orthophosphate and Nitrite

Epoxy pH combination electrode with gel electrolyte, integrated temperature sensor, waterproof DIN plug and banana plug, 9.9 ft (3 m) cable

Application recommended by WTW:
Aquarium water, Electroplating wastewater, Soil extract, Swimming pool water, Wastewater.

Standard (DIN/NBS) buffer solution for special applications1 bottle with 250 ml: pH 1.679/1.68

Standard (DIN/NBS) buffer solution, 1 bottle with 250 ml: pH 4.006/4.01

Standard (DIN/NBS) buffer solution, 1 bottle with 250 ml: pH 6.865 /6.87