PTL
Pressure transmitters for liquids
PTL series pressure transmitters are used for pressure detection in liquids in heating and cooling systems.
PTL-Heat is used for pressure detection in non-condensing applications such as district heating or heat recovery systems, whereas PTL-Cool is designed for extreme conditions where condensation is a common problem. PTL-Cool has a two-layer protection for electronics. This is why the possible condensation does not harm the product.
PTL series products are also suitable for refrigerants and non-aggressive gases.
PTL-Heat series devices are commonly used in HVAC/R systems for:
• District heating
• Liquid heat exchangers
• Heating substation
• Air compressor systems
PTL-Cool series devices are commonly used in HVAC/R systems for:
• District cooling
• Fan coil units (FCU)
• Chilled beams
محصولات مرتبط
DPT-CTRL
DPT-Ctrl is a multifunctional PID controller with differential pressure or air flow transmitter.
DPT-Ctrl enables to control constant pressure or flow of fans, VAV systems or dampers. Its two lined display shows the direction of the control output and the measurement value at the same time. It is possible to select either current or voltage for both the control output and the differential pressure or flow output. The optional autozero function eliminates the need for periodic manual zero point calibration.
CDT2000
Multifunctional CO2 transmitters for building automation systems
CDT series air quality transmitters are engineered for building automation systems in the HVAC/R industry. The CDT series measures carbon dioxide (CO2) utilizing the industry standard NDIR measurement principle, and temperature (T). Optional relative humidity (rH) measurement is also available in the same device. CDT series devices are available with large touchscreen display making configuration of the device quick and easy.
The CDT2000 series transmitters calibrate themselves automatically using ABC logicTM. The ABC logicTM requires that the space in which the transmitter is used needs to to be unoccupied for four hours per day so that the indoor CO2 concentration drops to the outside level. CDT2000-DC is a dual channel model with a measuring channel and a reference channel that makes a continuous comparison and the necessary adjustment accordingly. CDT2000-DC is also suitable for buildings that are continuously occupied.
CDT series devices include:
• Separate field configurable output for each measurement parameter (CO2, rH, T)
• Proportional output options including: voltage (0–10 V, 2–10 V) and current (4–20 mA)
• Offset feature enabling field calibration for each measurement parameter (CO2, rH, T)
• Time extension button that enables boosting ventilation manually using the touchscreen display (models with relay)
CDT2000 series device options offer:
• 2” x 3” touchscreen display
• Field configurable relay for any of the three parameters
• Modbus configuration
RHT-MOD
Humidity transmitters for building automation systems that use Modbus serial communication protocol
RHT-MOD relative humidity transmitters are engineered for building automation systems in the HVAC/R industry. The RHT measures relative humidity (rH), and temperature (T). RHT devices are available with large touchscreen display making configuration of the device quick and easy. Configuration is also possible via Modbus network.
RHT-MOD devices include:
• Separate field configurable Modbus output for each measurement parameter (rH, T)
• Offset feature enabling field calibration for each measurement parameter (rH, T)
• One analog output for selected measurement: voltage (0/2–10 V) and current (4–20 mA)
• Optional relay output
DPT-2W
Multi-range differential pressure transmitters with 2-wire configuration
DPT-2W series differential pressure transmitters are engineered for building automation in the HVAC/R industry. The DPT-2W measure static and differential pressure and they have a field selectable range.
DPT-2W series devices include: • 8 field selectable measurement ranges, unidirectional or bi-directional, selectable via jumper • Pressure measurement in Pa • 4-20 mA 2-wire current loop configuration
RHT DUCT
Humidity transmitters with temperature output for duct
RHT Duct is a relative humidity transmitter with temperature output installed in air ventilation duct. In addition to these measured values, RHT Duct calculates various parameters such as dew point, mixing ratio, enthalpy and absolute humidity. Illuminated display ensures easy readability also from a distance. The RHT has a screwless lid and an easily adjustable mounting flange that make the installation of the device easy.
RHT Duct series devices include:
• Two selectable voltage outputs (0-10 V / 2-10 V / 0-5 V) for measured and calculated parameters (rH, T, dew point, mixing ratio, enthalpy and absolute humidity).
• Offset feature enabling field calibration for measurement parameters rH and T.
• Mounting flange
RHT Duct series device options offer:
• Clear backlit display
• Modbus RTU interface
• 4-20 mA proportional output
DPT-FlOW-BATT
User-friendly on-site display for air flow or differential presure designed for environments and applications where electricity is not available.
One device is suitable for a range of different fan types. It also provides an easy way to measure flow rate in a duct system for example together with a FloXactTM averaging measurement probe.
Usage
The DPT-Flow-Batt is an on-site display designed for air handling units to measure the air flow on centrifugal fans. The DPT-Flow-Batt can also be used in the duct system as an on-site display for flow. The device can be used with several different measurement probes such as FloXactTM or pitot tube, and air dampers. The requirement is that the K-value of the measurement probe or damper is known.
CDT2000 DUCT
CO2 transmitters with temperature output for duct
CDT2000 Duct combines CO2 and temperature measurements in one device installed in air ventilation duct. Illuminated display ensures easy readability also from a distance. The CDT2000 Duct has a screwless lid and an easily adjustable mounting flange that make the installation of the device easy.
The CDT2000 Duct series transmitters calibrate themselves automatically using ABC logicTM. The ABC logicTM requires that the space in which the transmitter is used needs to to be unoccupied for four hours per day so that the indoor CO2 concentration drops to the outside level. CDT2000-DC Duct is a dual channel model with a measuring channel and a reference channel that makes a continuous comparison and the necessary adjustment accordingly. CDT2000-DC Duct is also suitable for buildings that are continuously occupied.
CDT2000 Duct series devices include:
• Separate output for each measurement parameter (CO2 and T)
• Offset feature enabling field calibration for each measurement parameter (CO2, T)
• Mounting flange
CDT2000 Duct series device options offer:
• Clear backlit display
• Modbus RTU interface
• 4-20 mA proportional output
DPT-PRIIMA
High accuracy transmitter for demanding applications
DPT-Priima is a high accuracy differential pressure transmitter designed for cleanrooms and other demanding applications. DPT-Priima has a new, extremely accurate sensor and automatic zero point calibration, and optional span point calibration.
DPT-Priima together with SPP (static pressure port) is a complete solution for building envelope measurement.
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