ZX7500
Personal Noise Dosimeter
ZX7500 is engineered for precision and portability, it combines the functionality of a Class 2 sound level meter and a personal noise dosimeter in a compact and durable design. Compliant with IEC 61252, IEC61672-1 Class 2 and IEC61620-1 Class 2, ZX7500 offers advanced measurement, with modular design, wireless data transmission, and audio recording for spectral analysis. With IP65-rated protection and intrinsic safety certification, the ZX7500 is ideal for reliable use in demanding industrial and occupational environments.
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ZX 7500 Personal Noise Dosimeter
Applications | |
|---|---|
Occupational Noise | |
Sound Measurements |
Standards | |
|---|---|
IEC 61252-1: 2017 | |
IEC 61672-1: 2013 Class 2
| |
IEC 61260: 2014 Class 2 |
Sound Measurements Features | |
|---|---|
Total Measurement Range | 51 dB(A) to 142 dB(A); 25 dB(C) to 143 dB (C); 30 dB(Z) to 143 dB (Z) |
Internal Noise | < 42 dB(A); < 42dB(C); < 47 dB(Z)
|
Microphone and Preamplifier Sensitivity | -33.0 dB to -33.9 dB
Note: Sensitivity is referenced at 0 dB with 1V/Pa |
Frequency Range | 20 Hz to 12.5 kHz
|
Weighting Filters | A, C, Z weighting |
Time Constants | F (fast), S (slow), I (impulse) |
Exchange Rates | 2, 3, 4, 5, 6 |
Measurement Time | 1 second to 99 hours |
Integrated Exposure Metrics | E, Lxyp, Lxeq, T, Lex, 8h, LAVG, TWA, DOSE |
Statistics Metrics | Lxmax, Lxmin, LN, Kurt, SD, Lxpeak |
1/1 octave (optional) | Filter Center Frequencies: From 31.5 Hz up to 8 kHz |
1/3 octave (optional) | Filter Center Frequencies: From 20 Hz up to 12.5 kHz |
FFT | - |
Audio Recording | √ |
Note:
x represents A, C, Z;
y represents F, S, I; N represent 5,10, 50, 90, 95
OCT and 1/3OCT
Filter Type: Parallel (real-time) one-third octave, G=10^(3/10).
Time Weighting: Fast (F), Slow (S), Impulse(I).
Real-time Analysis: Parallel computation of all center frequencies with A, C, Z weightings.
Dynamic Range: Greater than 85 dB (Z).
Main Measurement Indicators: Instantaneous Sound Pressure Level (Lp) in bands, Maximum (Max), Minimum (Min), and Equivalent Continuous Sound Pressure Level (Leq,T).
Hardware Features | |
|---|---|
Number of Channels | 1 |
Microphone Type | ZX1021 |
Preamplifier Type | Built in |
Bluetooth (optional) | √ |
GPS | - |
Display | 1.3 inch LCD Display, 240x240 resolution |
Data Output Interface | USB interface, 4G (optional) |
Data Storage | 64 GB TF Card |
Battery | 3.7 V 2000mAh lithium battery |
Calendar Clock | Monthly error less than 1 minute; Removing the lithium battery will cause the clock to reset |
Operating Time | up to 13 hours |
Operating Temperature Range | -10 to 40 °C |
Operating Humidity Range | 20 to 90 % |
Operating Atmospheric Pressure | 65 kPa to 108 kPa |
Weight | 119 g |
Overall Dimensions (mm) | 90 × 49 × 64 |