4-20mA Relay 500m Long Range Wireless Transmitter and Receiver
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Product Highlights
- High Accuracy: Accuracy grade of 0.5% F.S ensures precise measurements.
- IP68 Waterproof: Fully waterproof and dustproof rating suitable for submersible use.
- Long Transmission Distance: Up to 5000m line-of-sight with LORA, 1000m with SWSN.
- Wireless Installation: No site wiring required, easy to install in unpowered sites.
- Low Power Consumption: Standby power consumption is less than 0.03mA.
- Customized Options: Frequency, transmission distance, and wetted parts are customizable.
- Multiple Protocols: Supports RS485 and MODBUS RTU protocols with various baud rates.
Product Attributes
- Accuracy Grade
- 0.5%
- IP Rating
- IP68
- Certification
- CE
- Model NO.
- atech-12
- Customized
- Customized
- Frequency
- 430/470MHz
- Transmission Distance
- 1000m(Open)
- Wetted Parts
- SS316L
- Temperature
- -20~60
- Transport Package
- Carton
- Trademark
- Atechsensor
- Origin
- China
- Production Capacity
- 1000sets/Year
- Package Size
- 30.00cm * 20.00cm * 10.00cm
- Package Gross Weight
- 1.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
The wireless submersible liquid level transmitter is consists of input liquid level sensor, signal processing circuit, communication module and power module. It uses a high-capacity, high-energy lithium battery, radio frequency radio transmission data. Installation is simple, easy to use, no need site wiring, especially suitable for unwired and unpowered application site.
|
Output |
4~20mA |
|
Number of channels |
4~20mA: 4ways relay: 2watys |
|
Accuracy |
0.5%F.S |
|
Power |
10~28VDC |
|
Wireless transmission |
SWSN 433M 470M LORA 433M 470M |
|
Standby power consumption |
<0.03mA |
| Transmission Distance |
SWSN sight distance: 1000m (normal barrier environment 80-160 meters) LORA sight distance: 5000m (barrier environment 500-1000 meters) |
|
Transmitter connection channel number |
1~32 |
|
Working environment |
Temperature:-30ºC~80ºC Humidity<95% No condensation |
| RS485 protocol | MODBUS RTU protocol 9600 19200 115200 |
|
Size |
145*90*40mm(without antenna) |

Atech sensor co,. Ltd. specializes in sensor production and sales. The main products includes pressure sensor and transmitter, Level transmitter, water level sensor, pressure gauge, melt pressure transmitter, temperture sensor,pressure tranducer ,oil pressure sensor,Explosion proof pressure transducer, low-pressure transducer,Commerical Marine pressure transducer,Fuel pressure & Fuel tank pressure sensor,Liquid pressure sensor, ultrasonic level sensor, pressure sensensor chip, load cell,ect.
As manufacturer, based on technology innovation, good production capacity and strict quality control, we can meet different customers' OEM and ODM demands.
As a manufacturer and exporter, we provide the best products with our rich experience and perfessional technoloty for our customers.




About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR249228". Items marked "" are certified.
Company Profile
Atech sensor co, . Ltd. specializes in sensor production and sales. The main products includes pressure sensor and transmitter, Level transmitter, pressure gauge, melt pressure transmitter, temperture sensor, pressure transducer, oil pressure sensor, Explosion proof pressure transducer, low-pressure transducer, Commerical Marine pressure transducer, Fuel pressure & Fuel tank pressure sensor, Liquidpressure sensor, ect. As manufacturer, based on technology innovation, good production capacity and strict quality control, we can meet different customers' OEM and ODM demands. As a manufacturer and exporter, we provide the best products with our rich experience and perfessional technoloty for our customers. Best Value = High Quality Product + Competitive Price + Professional Service + Fast Delivery + Long time InsuranceAtech sensor is 100% vertically integrated with engineering, manufacturing, sales & marketing and customer service all supported from within our one facility. All critical components and steps in the manufacture, assembly and testing of a Atech pressure instrument are in our hands and are carefully monitored to ensure that we meet your critical specifications precisely and consistently.
About Our Factory & Business Background
- Address
- Block B, Yangyang International, No. 132, Zhuque Street, Yanta Dist, Xi'an, Shaanxi, China
Our Production Capability & Technical Expertise
FAQ
- What is the transmission distance?
- SWSN reaches 1000m line-of-sight (80-160m with barriers), while LORA reaches 5000m line-of-sight (500-1000m with barriers).
- Is the device waterproof?
- Yes, it has an IP68 rating, making it suitable for submersible applications.
- What is the accuracy of the transmitter?
- The accuracy grade is 0.5% F.S.
- Can the frequency be customized?
- Yes, the frequency can be customized to 430MHz or 470MHz.
- Does it require site wiring?
- No, it uses wireless transmission and does not require site wiring.
- What protocols are supported?
- It supports RS485 and MODBUS RTU protocols with baud rates of 9600, 19200, and 115200.
- What is the power supply voltage?
- The power supply is 10~28VDC.
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