Product Name: | Communication type temperature and humidity transmitter |
Product model: | BTH-2S |
Version: | V1.0 |
Formulator: | He Genwen |
Reviewer: | Yuan Chao |
1. Product Overview
BTH-2S It is an ultra-low power series temperature and humidity transmitter with an average power consumption of less than 0.02 W， The power consumption is less than one-tenth of similar products.Ultra-low power consumption and unique air duct design completely solves the board temperature rise problem, more accurate measurement and faster response.The use of a second-generation sensor probe imported from Switzerland ensures excellent measurement performance of the product.Powerful functions and stable performance, one or two switching outputs can be selected, and the unique control logic can realize multiple functional control and remote control, such as high temperature alarm, low temperature alarm, high humidity alarm, low humidity alarm, heating, refrigeration, humidification, dehumidification, etc.
2. Application scope
Widely used in communication computer rooms, smart buildings, factory workshops, warehouses, medicine warehouses, libraries, museums, laboratories, offices, ventilation ducts, greenhouses and other places.
3. Product Features
Ultra-low power consumption and unique air duct design to prevent circuit temperature rise;
More precise measurement and faster response;
LCD Large-screen display design, generous and beautiful;
Second-generation high-precision probe imported from Switzerland;
Password protection function to prevent non-staff from misoperating operations;
degrees Celsius Fahrenheit can be switched, and is universally available worldwide;
It comes with dew point analysis function;
Wall-mounted ceiling structure design, easy to install;
Super stable and anti-interference ability;
High measurement accuracy, wide range and good consistency;
The communication distance can reach up to 1200 meters;
The product has strong protection performance and first-level lightning protection.
4. Main technical parameters
Rated voltage | DC9V~DC26V (Recommended 12 V) |
Measurement range | Temperature: -20 ℃~80℃ Humidity: 0 ~100%rh |
Measurement accuracy | temperature: ±0.3℃ Resolution 0.1 ℃ humidity: ±3%rh Resolution 0.1 rh |
Output interface | RS485 |
Communication protocol | MODBUS RTU |
Communication address | 1-247, |
Baud rate | 1200 bit/s,2400 bit/s, 4800 bit/s, 9600 bit/s, 19200 bit/s |
Average power consumption | ＜0.02W，＜2mA |
Switch output | Optional 1 ~2 The output of the switch quantity, default is none |
Data record | Optional temperature and humidity data record and event record, no default |
Effective working face product | 10-20m2/Only |
Installation method | Indoor wall installation, ceiling ceiling installation |
Product size | 90*95*29mm |
5. Key and setting operation instructions
Under the initial page, press the "Up" and "Down" keys to switch the display: Td(Dew points )、 ID(address )、Baud(Baud rate )、DO1 (First switch status )、DO2 (Second channel switch status )、Date (Date Month: Day ) and time (Time: minute )。
Setting operation: On the initial page, press "Settings" to enter the password. The initial password is "0000". At this time, the flashing bit press " +”“- ”The key can be adjusted. Press the "Settings" key to shift. After entering the correct password, press the "Confirm key" to enter the settings. There are 22 pages on the parameter setting page. Press the "Up" and "Down" key to select the items that need to be set. Press the "Confirm key" to set the parameters of the current project. The parameter adjustment OK After that, press the "Confirm key" to save the settings, and then press the "Setting key" to return to the initial page.Keys and settings
The page is shown in the picture on the right:
Set the project and the corresponding page number
page number | Setting up a project | illustrate | page number | Setting up a project | illustrate |
P:01 | Communication address | 1-247 | P:12 | Low temperature limit value | Low temperature alarm value or temperature Limit value |
P:02 | Baud rate | 1200-19200 | P:13 | High humidity upper limit value | High humidity alarm value or humidity Limit value |
P:03 | Verification method | n81、o81、e81 | P:14 | Low humidity limit value | Low humidity alarm value or humidity Limit value |
P:04 | Temperature unit | C： degrees Celsius; F： Fahrenheit | P:15 | Temperature buffering value | Default 0.1 ℃，Relay proof For shaking |
P:05 | DO1 use | Ctrl： Control mode Alar： Alarm mode | P:16 | Humidity buffering value | Default 1 rh%，Relay proof For shaking |
P:06 | DO2 use | P:17 | Date settings | Year, month, day |
P:07 | DO1 Functional enable use | 0 To disable 1 To enable 
| P:18 | Time settings | Hour, minute, second |
P:08 | DO2 Functional enable use | P:19 | Password settings | 0000-9999 |
P:09 | DO1 state | OFF It is always open, ON For normal | P:20 | Recording cycle set up | Unit is divided into 1-180 |
P:10 | DO2 state | P:21 | Zigbee network ID | Zigbee Type wireless network parameters |
P:11 | High temperature upper limit | High temperature alarm value or temperature High degree limit value | P:22 | Zigbee Network frequency band |
6. Installation and wiring instructions
7. Quality assurance
Warranty period is 12 months.During the quality assurance period, free maintenance services are provided for the product based on normal use and non-human damage.
8. Things to note
Do not install directly on heat, cold, or under sunlight;
It is prohibited to be in steam, water mist, water curtains or condensation environments for a long time;
When in a dusty or other polluted environment, the product must be cleaned regularly.
