Sound Level Transmitter SL50

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Sound Level Transmitter SL50 Specification

Output
4-20 mA, 0-10 V, RS485 (Modbus RTU)

Housing Material
Industrial-grade ABS

Process Connection
High-strength, dustproof, waterproof

Operating Temperature
-10 to 60 Celsius (oC)

Storage Temperature
-20 to 80 Celsius (oC)

Protection
IP65

Humidity %
0-95% RH

Model
SL50

Frequency
20 Hz - 20 kHz Kilohertz ( KHZ )

Mounting
Wall mount, Pole mount

Response Time
30 Seconds

Measurement Range
30 dB to 120 dB

Resolution
0.1 dB

Signal Type
Rs485 (Modbus RTU), 4-20mA, 0-5V, 0-10V

Material
ABS

Power Supply
12 to 24 VDC

Accuracy
+/-1.5 dB %

About Sound Level Transmitter SL50

Measurement Range	30 dB to 120 dB
Accuracy	1.5 dB
Resolution	0.1 dB
Response Time	30 seconds
Microphone Type	Precision Electret Condenser Microphone
Frequency Range	20 Hz 20 kHz
Output Options	420 mA, 010 V, RS485 (Modbus RTU)
Output Signals	RS485 (Modbus RTU), 420 mA, 05 V, 010 V
Power Supply	1224 V DC
Operating Temperature	-10C to 60C
Storage Temperature	-20C to 80C
Humidity Range	095% RH (non-condensing)
Protection Rating	IP65 (water-resistant and dustproof)
Mounting Options	Wall mount, Pole mount
Communication Protocol	Modbus RTU
Housing Material	Industrial-grade ABS
Process Connection	High-strength, dustproof, waterproof

Easy to Install and suitable for Wall Mounting
High Accuracy and Stability
Wide Measuring Range
High-sensitivity microphone
Compact and Durable Design
User-Friendly Configuration

The Polwax Sound Level Transmitter Model SL50 is an advanced noise monitoring device designed to measure and transmit real-time sound pressure levels (SPL) in decibels (dB) for industrial, environmental, and commercial applications. With its high-precision microphone and signal processing unit, the Decibel 50 ensures accurate and reliable noise measurements across a wide frequency range.
Equipped with multiple output interfaces including 4-20mA, 0- 10V, RS485 (Modbus RTU), and MQTT over Wi-Fi, the NoiseTrans50 seamlessly integrates with industrial automation systems, environmental monitoring platforms, and smart city infrastructure. Its robust IP65- rated enclosure allows for deployment in both indoor and outdoor environments, making it suitable for factories, airports, traffic monitoring, hospitals, educational institutions, and more.

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