Lutron TRSL-401 Sound Level Transmitter, 4-20 mA, IoT
- Brand
- Lutron
- Model number
- TRSL-401
- Category
- Sensors and Transmitters
Sound level transmitter for 30 to 130 dB with A/C weighting to IEC 61672 class 2 and a linear 4 to 20 mA output.
Price and availability on request
Key features
- 4-wire installation.
- Linear current output.
- Easy installation and connection.
- Sound level range 30 to 130 dB.
- Frequency and Time weighting are designed to meet IEC 61672 class 2.
- A & C weighting networks comply with standards.
- 0.5" standard microphone head.
- Time weighting (Fast) dynamic characteristic modes.
- Build External Zero& span calibration VR.
- Auto range
Specifications
| Circuit | Custom one-chip of microprocessor circuit. |
|---|---|
| Measurement Type | SPL : Sound pressure level |
| Measurement Range | 30 - 130 dB. |
| Function | dB ( A & C frequency weighting ); Time weighting ( Fast ) |
| Accuracy | Characteristics of " A ", " C " frequency; weighting network meet ANSI S1.4-2014 /; IEC 61672 -1 : 2013 class 2; Under 94 dB input signal, the accuracy; are : 31.5 Hz ±3.0 dB; 63 Hz ±2.0 dB; 125 Hz ±1.5 dB; 250 Hz ±1.5 dB; 500 Hz ±1.5 dB; 1 K Hz ±1.0 dB; 2 K Hz ±2.0 dB; 4 K Hz ±3.0 dB; 8 K Hz ±5.0 dB; Remark : The above spec. are tested under the; environment RF Field Strength less; than 3 V/M & frequency less than 30; MHz only. |
| Frequency Weighting Network | Characteristics of A & C.; A weighting : The characteristic is simulated as "Human; Ear Listening" response. Typical, if making; the environmental sound level; measurement, always select to A; weighting.; C weighting; The characteristic is near the "FLAT"; response. Typical, it is suitable for; checking the noise of machinery (Q.C.; check) & knowing the sound pressure; level of the tested equipment. |
| Time weighting | Fast - t = 125 ms; * "Fast" range is simulated the human ear; response time weighting. |
| Frequency | 31.5 to 8,000 Hz. |
| Microphone type | Electric condenser microphone. |
| Microphone size | Out size, 12.7 mm DIA. ( 1/2 inch). |
| Operating Temperature | 0°C to 50°C /32°F to 122°F. |
| Operating Humidity | Max. 85% RH. |
| Power Supply | Isolated Power 9VDC to 30VDC.; * Ripple< 2.5% |
| Weight | 340 g/0.75 Lbs without batteries. |
| Dimension | 120 mm x 96 mm x 43 mm |
| Supplied with | * Instruction manual: 1 PC; * Sound probe: 1 PC; * probe holder: 1 PC |
|---|
| Output | 4 to 20 mA analog output |
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| Loop Impedance | Max. 90 Ω @ 24 VDC |
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Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.