₹4,463
Prices are inclusive of Delivery Charges.
HX-440 – Wall Mount Only Humidity Sensor cum Transmitter
Size (mm): 76 x 70 x 38 (H x W x D)
Libratherm offers a low cost, rugged and reliable Wall Mount Humidity Sensor cum Transmitter HX-440 for sensing T or RH or T + Rh in the environment and transmitting the proportional analog values (4-20) mA or (0-10) VDC.
Normally, the signal generated by T+RH sensors is low in strength hence cannot be transmitted over a very long distance, and if done so the signal is likely to drop over a very long cable which will result in the inaccurate measurement of temperature and %RH.
The High Precision Humidity Transmitter featured here converts these low-level signals from Pt-100 and Rh sensor to equivalent 4-20mA/0-10Vdc linear analog signal, which can be transmitted over a very long distance without loss of accuracy in the measurement. Dual 4-20mA proportional to T and %RH can be used for remote measurement and indication and control.
This Industrial Grade Transmitter operates on a 24VDC power supply and is housed in an ABS plastic enclosure with perforation for sensing. The 24VDC supply and 4-20mA are electrically isolated from each other and hence prevent any ground line interferences or loading effect, while connecting to any external measuring/controlling devices like DCS, PLC, BMS controller, HMI, DDC, or PID controllers. Standard 4 core or 6 core 2-meter cable with end terminal is attached to the transmitter for ease of connection and wiring.
Parameters | Description |
---|---|
Item | RH sensor cum Transmitter / RH sensor cum Transmitter |
Models | HX-440 |
Built in Sensors | For %Rh: Capacitive type Humidity sensor (Honeywell USA make) |
RH Range | 0 to 100% |
%RH Output | (0-1)VDC/(4-20) mA / (0-10)VDC proportional to 0 to 100%Rh |
RLmax = 500 Ohms for (4-20)mA, RLmin = 100K for (0-10)VDC | |
RH Accuracy | +/- 2% @ 25oC and 50% Rh |
Load Resistance | For 4-20mA Output, RLmax = 400 Ohms. For 0-10VDC, RLmin = 100K |
Isolation Voltage | Greater than 1.5KV (4-20mA/0-10VDC Output and 24VDC Supply voltage are electrically isolated) |
Supply Voltage | 24 VDC @ 50mA max. (Wide range of 18 to 36VDC @ 50mA) |
Type | Duct mounted in the Duct hole of 14 to 15 mm. |
Enclosure / SS Stem Size | 76 x 70 x 38 mm. / 12.5mm Dia. x 200mm (std. length) |
Enclosure | IP-65 ABS Plastic with wall mounting clamps. |
Cable | 4 core or 6 core PVC/PVC insulated 2meter long with standard colour code. Extra length of cable can be provided against order. |
Precautions for use | Avoid condensation and drench. Avoid exposure to saline, inorganic and organic gas. Avoid exposure to saline, inorganic and organic gas. |
Sr. No. | Model | Product Description | Part No. |
---|---|---|---|
1.1 | HX-440 | Wall Mount Only Humidity Sensor cum Transmitter with 1 x 4-20mA output | 3202-1 |
1.2 | HX-440 | Wall Mount Only Humidity Sensor cum Transmitter with 1 x 0-10V output | 3202-2 |