NiuBol 3.0/NBL-W-NS Quick Start Manual

Noise Sensor V3.0/NBL-W-NS
Product Description
Noise transducers are complex and sophisticated
devices that enable precision measurements of
sound. This instrument has a durable construction
and will last for several years of normal use when
operated correctly. Please read this manual carefully
and do not lose it.
Technical parameters
Measurement range: Range: 30~130dB.
Output: 485 output
Accuracy (23±5°C):
Frequency weighting in accordance with IEC 61672 type 2,
calibrated with an input signal of 94dB (31.5Hz - 8kHz).
Frequency range: 31.5Hz to 8kHz.
Time response: Fast response: T = 200ms.
The time response simulates the time response of the
human ear.
http://www.niubol.com
Calibrator: B&K (Bruel & kjaer), Multifunction Sound
Calibrator, type 4226.
Microphone: Condenser microphone.
Microphone size: 0.5 inch.
Range Selection: 30~130dB
Maximum output impedance: 200 ohms.
Power Supply: DC 12V
Power Loss: DC 12V: ≈ 20mW
Packaging: ABS plastic
Operating temperature: -15-50°C (5-122°F).
Operating humidity: <80% relative humidity.
Wiring method
(1) If equipped with our collector, directly use the
sensor cable to connect the sensor to the
corresponding interface on the collector. cable to
connect the sensor to the corresponding interface on
the collector.
(2) If the transmitter is purchased separately, the
wiring sequence of the matching wires of the
transmitter are as follows for:
Thread
Colour
Red
Black
(Green)
Yellow
Blue
1
output signal
Communicatio
n Type
Power Positive
Power Ground
A+/TX
B-/RX