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Products
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437
Item(s)
in 44 page(s)
Circular CAV controller | 125 mm
Category
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Circular motorised dampers with built-in sensor
Article code
:
ACDPH-125
Circular CAV controller | 160 mm
Category
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Circular motorised dampers with built-in sensor
Article code
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ACDPH-160
Circular motorised damper | 125 mm
Category
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Circular motorised dampers
Article code
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ACT-H-125
Circular motorised damper | 160 mm
Category
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Circular motorised dampers
Article code
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ACT-H-160
Electric heater controller | expansion module | 6 kW
Category
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Electric heating element controllers
Article code
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AH2A1-6
Electric heater controller | 6 kW
Category
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Electric heating element controllers
Article code
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AH2C1-6
Electric heater controller | 6 kW | built-in temperature probe
Category
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Electric heating element controllers
Article code
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AH2C1-6 -500
Alarm signalling unit | flush mounting, 230 VAC
Category
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Alarm and monitoring tools
Article code
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ALBF8
Alarm signalling unit | flush mounting, 24 VDC
Category
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Alarm and monitoring tools
Article code
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ALBFF
Alarm signalling unit | flush mounting, 24 VAC - VDC
Category
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Alarm and monitoring tools
Article code
:
ALBFG
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10
20
50
437
Item(s)
in 44 page(s)
News
for your search
:
Energy saving through destratification
Created on
:
7/25/2024
Created by
:
Yves Vinck
With the current unprecedented energy prices, we are forced to use energy even more consciously and efficiently. Lowering room temperatures is an obvious measur ...
Ventilation in greenhouses
Created on
:
7/25/2024
Created by
:
An De Ridder
Ventilation is a crucial aspect of greenhouse management as it plays a vital role in maintaining the right environmental conditions for plant growth. Proper ven ...
TCMF8 – HVAC controller for AC fans
Created on
:
7/25/2024
Created by
:
An De Ridder
Quality ventilation in rooms with high ceilings can be a challenge. Warm air in these rooms rises while cold air lingers at human height. We keep finding it chi ...
Sentera’s New CAV Controller
Created on
:
7/25/2024
Created by
:
Stefka Yosifova Boykina
Following the best practices in the HVAC, we designed the new series of circular electrically operated CAV dampers also featuring differential pressure control. ...
What is an air filter monitoring device?
Created on
:
7/25/2024
Created by
:
An De Ridder
An air filter monitoring device is specifically designed to monitor and assess the condition of air filters in HVAC (Heating, Ventilation, and Air Conditioning) ...
FAQ
for your search
:
What is the maximum cable length for a Modbus RTU network?
For Modbus communication, the total cable length per segment must not exceed 1.000 m. (Total cable length = sum of the main network line and all branches). Here
What cable to use for a Modbus network?
Sentera products share information via Modbus communication. Modbus is a serial communication protocol that uses RS485 technology. Based on that technology,
What does ‘IP protection’ mean?
Protection against ingress of solid objects and liquids IP rating stands for “Ingress Protection rating”. However, sometimes, “International Protection rating”
What is the difference between a transmitter, intelligent sensor and sensor controller?
Sentera offers three sensor types: transmitters, intelligent sensors, and sensor controllers. The main difference between these types is the functionality, or t
How to control EC fan speed?
An EC motor or Electronically Commutated motor can be seen as an AC motor with integrated fan speed controller. The EC motor requires an indication of the desir
Can I control multiple motors with one fan speed controller?
Yes, that is possible. If doing so, make sure that: - All connected motors are identical. - The fan speed controller is selected, based on the total motor
Kick start versus Soft start - what is the difference?
Kick start and soft start are two different ways to start up a motor or fan. The best acceleration method depends on the application. Applications with high ine
What is a PWM signal?
PWM or Pulse Width Modulation (also known as “Pulse Duration Modulation” or PDM), is a control signal, comparable to an analogue 0-10 Volt or 0-20 mA signal. It
How to adjust parameters of a Sentera device?
All parameters of Sentera devices can be read and adjusted via Modbus RTU communication. These parameters can be subdivided into Input registers and Holding reg
What is the difference between an AC and EC motor?
In HVAC business, an induction motor is often referred to as ‘AC motor’. These motor types have a stator winding to generate the required magnetic field to g
What is PI control?
PI control is the abbreviation of Proportional Integral control. PI control is a commonly used method in control systems to correct the error between the desire
How to regulate AC fan speed?
In general, there are two ways to regulate AC fan speed: 1. Reducing the motor voltageReducing motor voltage reduces both motor speed and motor torque - t
What is indoor air quality or IAQ?
In the developed world, we spend 90% of our time indoors. Research shows that key pollutants are up to five times more concentrated inside than outside. Accordi
Why to measure temperature and relative humidity?
Temperature and relative humidity have a direct impact on the sense of well-being and comfort of the residents. Dry air leads to dry skin, itchy eyes, and i
Why measure CO2?
Demand-controlled ventilation based on CO2 measurements Demand-controlled ventilation systems use CO2 concentrations within a building to know whether adequate
Why to measure TVOC or indoor air quality?
Volatile Organic Compounds or VOCs are organic chemicals that become a gas at room temperature. They are the main origin of air pollution at ground level. A com
Why measure CO in underground parking garages?
In general, cars with combustion engines primarily emit carbon dioxide (CO2) and carbon monoxide (CO) as exhaust gases. However, the relative amounts of each em
What is PoM or Power over Modbus?
Many Sentera products can share information via Modbus communication. Modbus is a serial communication protocol that uses RS485 technology. Sentera Modbus-compa
What is an electronic fan speed controller for AC motors?
Electronic fan speed controllers offer continuous variable fan speed control by reducing the motor voltage. To reduce the motor voltage, they use phase angle co
Can I use a Sentera transmitter for agriculture or horticulture applications?
Sentera has products for a wide range of applications. Agriculture is one of those. Sentera products in this category measure CO2, soil moisture, relative humid
What is a potentiometer?
A potentiometer is a device to generate a control signal. A potentiometer is an electronic component that allows you to vary the resistance in a circuit. It co
What is a control switch for EC fans?
While a potentiometer generates an continuous variable 0 - 10 Volt signal, a control switch generates a stepped control signal. The 0-10 Volt output signal is d
What is the difference between 3-wire and 4-wire connection?
4-wire connection Sentera -F and -H sensors require a supply voltage of 24 VDC. This type of sensors require a 4-wire connection. They can be connected with a
How does an NDIR CO2 Sensor Work?
NDIR stands for “nondispersive infrared”. Today, it is the most common sensor type for the measurement of CO2, carbon dioxide, concentrations in an environment.
How to recalibrate a CO2 sensor?
Virtually all gas sensors are subject to some sort of drift, including CO2 sensors. The degree of drift is partially dependent on the use of quality components
How to restore the factory default settings of a Sentera device?
The settings of Sentera products can be changed via the parameters in the Modbus Holding registers. We distinguish between communication parameters and operatio
What is Ecodesign regulation EU 2019-1781?
The European Union (EU) Ecodesign Directive is focused on making sure we get the maximum possible performance out of any energy that is consumed. The directive
What does IE2 mean for VFDs?
The Ecodesign regulation EU 2019/1781 covers 3-phase standard drives with a diode rectifier in the range 0.12 kW ≤ Pn < 1000 kW. After 1st July 2021, the power
Who is Sentera?
Sentera - innovative and easy to use HVAC control solutions! It's our mission to optimise your comfort and indoor air quality by regulating fresh air supply and
How to create an account on SenteraWeb?
1. Go to: https://www.senteraweb.eu/en/Account/Registration 2. Complete the form. Obligatory fields are marked with (*) 3. Click Register
How to set up an installation in SenteraWeb?
1. Log in via: https://www.senteraweb.eu/en/Account/Login 2. Click Add installation 3. Enter the serial number of your Sentera internet gateway in the f
How to add a contact person for your installation?
1. Log in via: https://www.senteraweb.eu/en/Account/Login 2. Select the installation and click the button Add person 3. Complete the form Users
How to modify or remove an existing contact person?
1. Log in via: https://www.senteraweb.eu/en/Account/Login 2. Select the installation 3. Click on the blue status link of the contact person that you
How to remove an installation?
1. Select the correct installation and check if you are configurator of the installation that you want to delete. Only configurators can delete an installatio
How to get my Long term preferential origin declaration from Sentera?
The long term preferential origin declaration is sent automatically by our Erp system. 1. Log in to e-Commerce 2. Click My long term preferential origin d
How can I claim warranty?
Sentera products come with two years warranty from the delivery date against defects in manufacturing. Any modifications or alterations to the product relieve t
What is SenteraWeb?
SenteraWeb is the online HVAC portal to log data and to monitor or control your HVAC installation. Via SenteraWeb, it is possible to monitor or remo
How can I return purchased products?
Non-HVAC professionals or private persons have the right to return products that they have purchased from Sentera up to 14 days after delivery. HVAC professiona
Why to create a SenteraWeb account?
Via SenteraWeb - the online HVAC portal - it is possible to: - Adjust parameter settings and configure connected devices - Remotely monitor connected
How to connect a 0-10 Volt control signal?
We distinguish 2 different situations: 1. A passive potentiometer or 10KΩ potentiometer can be connected to a fan speed controller or EC fan via 3 wires. In t
What is a Common Ground?
"Common ground" is a term used in electrical systems to describe a reference point for the voltage potential in a circuit. In simple terms, it is a shared conne
How to measure air volume flow or air velocity?
A balanced ventilation system supplies fresh air to the building while it extracts stale air from the building. To check whether there is sufficient ventilation
What is dew point temperature?
The dew point temperature is the temperature at which air begins to condense. When air comes into contact with an object that has the dew point temperature, con
What is a transformer fan speed controller for AC motors?
Transformer fan speed controllers regulate fan speed in steps by reducing the motor voltage. Usually fan speed can be regulated from low to high speed in 5 step
How to find a product on the website?
We offer different search possibilities on the products page of our website. The easiest way to find a product is to enter the Sentera article code in the searc
How many EC fans can I control with a 0-10 Volt signal?
Input impedance EC motor Every power source has a limit, also the source of a 0-10 Volt signal is limited. Sentera expresses the limit of a 0-10 Volt signal as
What is relative humidity?
What is relative humidity? Relative humidity is a way to express how humid the air is. At any given temperature, there is water vapour in the air. Relative humi
Why measure indoor temperature?
Temperature is the measurement of how hot or cold a particular environment is. When we talk about ambient temperature, room temperature or outside temperature,
How do destratification fans work?
Destratification is a simple, yet effective solution for heating savings in areas with high ceilings like warehouses and communal spaces. A destratification fan
What is a Modbus Network Bus Terminator or NBT?
Disruptions in a communication network can be prevented by using Network Bus Terminators or NBTs. Modbus Network Bus Terminators reduce voltage reflections in t
What should I pay attention to when creating a Modbus RTU network?
What is (RS485) Modbus RTU communication? Modbus RTU is an open serial protocol derived from the master/slave architecture (now client/server) originally develo
What is a control signal?
A control signal is typically used to control an electronic device. This can be a fan speed controller, a damper actuator, an EC fan, etc. An example: Telling a
What is the difference between VDC and VAC?
Alternating Current (AC) and Direct Current (DC) are the two types of electric currents that coexists in our daily life. They are both used for supplying power
Why is mechanical ventilation important in buildings?
Mechanical ventilation is essential in buildings for several reasons: 1. Air quality: Proper ventilation helps to maintain good indoor air quality by removing
What type of fan speed controller should I choose?
There are many different types of fan speed controllers available for AC motors. That doesn't make the choice any easier. We will briefly list the main advantag
How does an electric autotransformer work?
An electric autotransformer is a type of transformer that has a single winding with multiple voltage taps. It operates based on the principles of electromagneti
What is Baudrate in a Modbus RTU network?
The Modbus RTU (Remote Terminal Unit) protocol is widely used in the HVAC industry and in industrial automation systems for communication between devices. Baudr
What is an analogue 0-10 Volt signal
An analogue 0-10 Volt signal is a continuous electrical signal that represents varying levels of voltage between 0 and 10 volts. It varies continuously between
The connected products are not visible in the 3SModbus configuration software
How a Modbus network works A Modbus RTU network is always composed of 1 master device and one or more slave devices. The master requests information from one
What are the advantages of Modbus communication over analogue signals?
Modbus communication offers several significant advantages over traditional analogue signals, particularly in industrial and home and building automation applic
What is the minimum current to activate a TRIAC?
TRIode for Alternating Current A TRIAC (TRIode for Alternating Current) is an electronic component that either allows electrical current to pass or stops it.
What types of NDIR sensors exist?
General characteristics of all NDIR sensors NDIR (Non-dispersive Infra-red) sensing has become the leading method for measuring CO2 concentration. This techno
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