Noise measuring device for fixed installation with relay output and control output
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The noise meter / sound meter SLT consists of a measuring microphone with handle and a wall holder with 1.5 m cable, a noise transmitter and a digital display. The main application of the noise meter is the continuous noise measurement and noise monitoring of factory halls, production rooms and large events (discotheques, folk festivals, kart tracks, etc.). The digital display has a relay output for the control of alarm horns or blinkers for visual or acoustic warning and a control output.
The limit value for this alarm output can be programmed on the display. The analogue output signal can also be used for controlling window flaps … or the signals of the transmitter can be stored, evaluated and documented on a logger. The noise warning device is very easy to connect and can be operated via 240 V mains power. The cabling is the only installation task that the customer has to carry out himself. Thus, this noise warning device can be used quickly for monitoring purposes.
Technical specifications
- Sound sensor — Measuring range: 30 … 130 dB in 3 ranges:
- Sound sensor: I. 30 … 80 dB(A)
- Sound sensor: II. 50 … 100 dB(A)
- Sound sensor: III. 80 … 130 dB(A)
- Sound sensor — Resolution: 0.1 dB
- Sound sensor — Accuracy: ±1.5 dB
- Sound sensor — Frequency: weighting A
- Sound sensor — Power supply: via transmitter
- Sound sensor: Cable length (sensor to transmitter)1.5 m / 4.92′
- Wall mount for screwing (included) — Operating conditions: 0 … +50 °C / +32 … +122 °F, max. 85 % RH
- Wall mount for screwing (included): Microphone 1/2″ precision electret
- Wall mount for screwing (included): Standard IEC 61 672 (Class II)
- Transmitter — Housing: ABS plastic
- Transmitter — Power supply: 90 … 260 ACV (max. 1.5 A)
- Transmitter — Calibration: adjustable by means of a screw
- Transmitter: Output 4 … 20 mA
- Transmitter — Protection class: IP 54 ingress protection rating
- Transmitter — Operating conditions: 0 … +50 °C / +32 … +122 °F, max. 85 % RH
- Digital indicator: Input signal from transmitter 4 – 20 mA
- Digital indicator: Indicator-1999 … 9999 (1 … 3 decimals, according to the measurement value / chosen by the user)
- Programming data (decimals, limit value ..)saved in the unit: Regulation output 3 points (Com, NO, NC)
- Programming data (decimals, limit value ..)saved in the unit: Alarm output Relay output: 5 A / 240 VAC
- Programming data (decimals, limit value ..)saved in the unit: Power 90 … 260 ACV / 50 … 60 Hz
- Programming data (decimals, limit value ..)saved in the unit — Dimensions: / Switchboard according to DIN 92 (+0.8) mm x 45 (+0.5) mm
- Programming data (decimals, limit value ..)saved in the unit — Weight: ca. 250 g / 0.56 lb
- Programming data (decimals, limit value ..)saved in the unit — Operating conditions: 0 … +50 °C / +32 … +122 °F, max. 85 % RH
- Programming data (decimals, limit value ..)saved in the unit — Protection class: IP 65 ingress protection rating
- Sound pressure level94 dB, 104 dB, 114 dB — Accuracy: ±0.4 dB
- Sound pressure level94 dB, 104 dB, 114 dB: Class 2
- Sound pressure level94 dB, 104 dB, 114 dB — Frequency: 1000 Hz for A, B, C and D frequency weighting
- Sound pressure level94 dB, 104 dB, 114 dB — Frequency: accuracy±1.7 %
- Sound pressure level94 dB, 104 dB, 114 dB: Stabilization time 10 seconds
- Sound pressure level94 dB, 104 dB, 114 dB: Total harmonic distortion<3 %
- Environmental conditions: Temperature influences<0.4 dB at 0 … 40 °C / 32 … 104 °F
- Environmental conditions: Humidity influences 25 … 90 % RH
- Environmental conditions: Atmospheric pressure<0.1 dB at 65 … 108 kPa
- Environmental conditions: Stability at <60 seconds±0.15 dB
- Environmental conditions: Stability after one year±0.35 dB
- (normal use) — Operating conditions: 0 … 40 °C / 32 … 104 °F, <25 … 90 % RH,
- non-condensing — Storage conditions: -20 … 50 °C / -4 … 122 °F, <90 % RH,
- non-condensing: Automatic shutdown after 20 minutes
- non-condensing — Power supply: 2 x 1.5 V AA batteries
- non-condensing — Battery: life ca. 50 hours
- non-condensing: Microphone size 1/2 inch
- non-condensing — Dimensions: 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4″
- non-condensing — Weight: 400 g / 14.1 oz
Delivery scope
- 1 x Noise Meter / Sound Meter PCE-SLT
- 1 x Noise sensor on 1.5 m / 4.92′ cable
- 1 x Noise transmitter
- 1 x Digital indicator
- 1 x Sensor mount
- 1 x Instruction manual
- 1 x Sound Calibrator PCE-SC 43
- 1 x 9V battery
- 1 x Instruction manual
