Castle / NK111
dBAir GA141SE Environmental System with Occupational Noise, Class 1
dBAir Safety & Environment Class 1 Meter (GA141SE) c/w Calibrator (Dual level, Class 1) (Includes GA690 Barometer), Pro Account for Castle Cloud (5 Users, 5 Instruments, 3 years only) and dBAir Rubber Case
The Castle dBAir Handheld Safety & Environment System is the flexible and powerful solution for Noise at Work Assessments and Outdoor Noise Measurements by hand. This dBAir system is more than capable of carrying out a vast variety of different tasks listed below.
The Castle dBAir Safety and Environmental Handheld Assessment System was specifically designed to carry out:
Exposure Assessments
Factory Noise Mapping
SNR & HML Hearing Protection Assessment
Litigation Defence
Attended Outdoor Measurements
BS4142 Assessments
Construction Noise
Compliance Testing
Attended Boundary noise monitoring
Hand-held Environmental Measurements
Technical Specification
| Applicable Standards | IEC 61672-1:2013 IEC 61260-1:2014 (Where Octave Bands Fitted) IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted) | |||||||||||
| Microphone | Type 1 Pre-Polarised ½” (50mV/Pa) Condenser Microphone -26 dB ± 2 dB re 1V/Pa | |||||||||||
| Measurement Ranges | Linear Operating Range: 95dB | |||||||||||
| Noise Floor | Typical ’A’ WeightingFrequency WeightingsMeasurement 1: A, C or Z Measurement 2: A, C or Z | |||||||||||
| Frequency Range | 1 Hz - 20 kHz (electrical characteristics) Class 1: 12.5 Hz - 20 kHz (including microphone) Class 2: 16Hz - 16kHz (including microphone) | |||||||||||
| Time Weighting | Measurement 1: Slow, Fast, Impulse Measurement 2: Slow, Fast, Impulse | |||||||||||
| Display | 2.4” Full Colour TFT 240x320 pixels | |||||||||||
| Dual Measurements | Simultaneous dual measurement with independent time and frequency weightings | |||||||||||
Measurement Parameters
| dBAir Safety & Environmental | LSPL, LE, LEQ, LMAX, LMIN, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (preset to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment. | |||||||||||
| Languages | English UK, English US, Chinese, French, German, Italian, Portuguese Brazilian, Russian, Spanish. | |||||||||||
| Time History | Short Interval: 10ms to 60m Long Interval: 1s to 24h Smart Timer, Duration Timer or Interval Timer Memory 16GB, 32GB, 64GB Input / Output Connection Micro USB Type B | |||||||||||
| Power | Batteries: 4 x AA (1.5V) Life: Up to 12 Hours continuous operation (screen settings dependent) USB Socket | |||||||||||
| Size and Dimensions: | Including Pre-Amplifier: 210mm (H) x 70mm (W) x 30mm (D) Excluding Pre-Amplifier: 145mm (H) x 70mm (W) x 30mm (D) | |||||||||||
| Weight | 480g approximately (including batteries) | |||||||||||
BR 24415 
US 11462 
VN 10343 
CN 2590 
TR 2355 
SG 2117 
AR 1908 
AU 1792 
