H3433 temperature and humidity regulator with RS485 output
code: H3433Humidistat, thermostat with two relay outputs. Outdoor, indoor use. Duct mount.
Relative humidity, temperature sensors at 150mm stem. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy. Three two-state inputs.
Included in delivery:
Humidistat is designed for two-state control of e.g. heating, ventilation, humidifier, dehumidifier, etc.
Transmitter is equipped with two relay outputs for alarm indication or control of external devices. Each relay can be assigned to any measured or computed value. For each relay setting of delay, hysteresis, audible alarm is enabled.
Measured temperature and relative humidity is recalculated to other humidity interpretations - dew point temperature, absolute humidity, specific humidity, mixing ratio or specific enthalpy.
Parameters are easy adjustable from regulator keyboard or from the computer. Large dual line LCD for simultaneous display of temperature, relative humidity or other calculated humidity interpretation is an advantage.
State-of-the-art capacitive polymer sensor ensures excellent calibration long term stability, inertia against water and condensation. Transmitter is designed for use in non-aggressive environment.
Transmitter is also equipped with three binary inputs for detection of two-state events - e.g. water, smoke, glass break detection, door contact.
- temperature and humidity control
- monitoring of temperature, humidity:
- building management and automation
- server rooms
- telecommunication devices
- warehouses, glasshouses
- museums, archives, galleries
- air-conditioned rooms, HVAC
- weather stations
Serial output RS485 is galvanically isolated from other circuitry to prevent collisions on the RS485 bus. The transmitter works with ModBus RTU communication protocol or with Advantech ADAM compatible protocol. Protocol is user selectable in special configuration mode by means of the PC. Serial link enables to read actual readings and modify transmitter configuration. Instrument works always in slave mode, i.e. responds only to master device query. Transmitters have the address space available from 1 to 255. Communication speed is 110 to 115200Bd.
For acquiring values from several transmitters connected to RS485 bus, third party software is necessary to use.
Figure: Relative humidity operating range
|Measured Value||Relative Humidity + Temperature|
|Construction Type||Duct Mount (150mm)|
|Temperature Measuring Range||-30 to +125°C|
|Maximum switching voltage, current, power of relay output||50V, 2A, 60VA|
|Audible alarm||from built-in beeper - switchable|
|Relative humidity range||0 to 100%|
|Accuracy of relative humidity measurement||±2.5% relative humidity from 5 to 95% at 23°C|
|Accuracy of temperature output||±0.4°C from -30 to +100°C
±0.4% from reading over +100°C
|Available temperature units||degrees Celsius, Fahrenheit|
|Accuracy and range of dew point temperature output - for more details see graphs||±1.5°C at ambient temperature T<25°C and RH>30%
range -60 to +80 °C
|Accuracy and range of absolute humidity output||±1.5g/m3 at ambient temperature T < 25°C
range 0 to 400 g/m3
|Accuracy and range of specific humidity output||±2g/kg at ambient temperature T < 35°C
range 0 to 550 g/kg
|Accuracy and range of mixing ratio output||±2g/kg at ambient temperature T < 35°C
range 0 to 995 g/kg
|Accuracy and range of specific enthalpy output||±3kJ/kg at ambient temperature T < 25°C
range: 0 to 995 kJ/kg
|Signal for binary inputs||dry contact, open collector or two-state voltage signal.
Inputs are not galvanically isolated.
|Minimum pulse length at binary input||500 ms|
|Voltage at open contact||3.3 V|
|Low voltage level||0 to +0.5 V|
|High voltage level||+3.0 to +30V|
|Temperature operating range||-30 to +80°C|
|Temperature operating range of LCD display||readable to operating temperature +70°C, it is recommended to switch OFF the LCD over +70°C|
|Temperature compensation of the humidity sensor||all temperature range|
|Filtering ability of sensor cover||0.025mm - filter with stainless steel mesh|
|Communication protocol||ModBus RTU and Advantech ADAM compatible protocol|
|Communication speed||110 to 115200 Bd|
|IP protection||IP65 electronics, IP40 sensors|
|Power||9-30Vdc, power consumption approximately 1W|
|Dimensions||136 x 293 x 45 mm (W x H x D), stem length 150 mm|
|Instruction Manual||2 MB|
|Quick Start Manual||810 kB|
|Declaration of Conformity||30 kB|
|Description of communication protocols||420 kB|
|Program TSensor - free configuration program for transmitters and transducers, Code: TSensor||more »|
|TSensor - free configuration program version 188.8.131.52||2.6 MB|
|TSensor - revision history||8 kB|
|Program SensorReader - free program for data read and store from one sensor, Code: SensorRead||more »|
|SensorReader - free program for data recording from one sensor, version 184.108.40.206||1.3 MB|
|H3431 temperature and humidity regulator with RS485 output
code: H3431Humidistat, thermostat with two relay outputs. Outdoor, indoor use.