Specifications
Length of Cable:3m,5m,10m
Frequency Range:10HZ~20KHz
Measuring Range:20dB~136Db(A)
Operating Voltage:4-10V
Microphone Preamplifier
Introduction: with the microphone,they can convert impedance and enlarge preamp
Microphone Preamplifier
QUICK OVERVIEW
Product Code:664
Brand:Sound level meter
61 Series
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Technical Specification
Model | 610 | 613 |
Frequency Range | 10HZ~20KHz | |
Measuring Range | 15dB~146Db(A) | 20dB~136Db(A) |
Gain | 0 Db | |
Input impedance | ≥2GΩ/1pF | ≥5MΩ/5pF |
Operating Voltage | 50V | 4-10V |
Polarization voltage | 200V,28V,0V | 0V |
Outside dimmenions | φ12.7mm(1/2inch) | |
Length of Cable | 3m,5m,10m | |
ICP preamplifier for Microphone
Specifications
Frequency (Ref:250 Hz, 0.2 dB):20 Hz – 200k Hz
Power supply:ICCP (2 – 20 mA)
Length: 71 mm
Technical parameters:
| Model | 618 |
| Diameter | 1/2 inch |
| Frequency (Ref:250 Hz, 0.2 dB) | 20 Hz – 200k Hz |
| Attenuation (10 Hz – 100 kHz) | < 0.5 dB |
| Input impedance | > 5 G |
| Output impedance | < 110 |
| Background noise | AWeighted < 2.0uV 20 Hz – 20kHz<6.0uV |
| Maximum output voltage | 4.5 Vrms |
| Power supply | ICCP (2 – 20 mA) |
| Temperature | -20°C- 80°C |
| Humidity | 0 – 98% RH |
| Length | 71 mm |
| Output interface | BNC |
| The thread connected with microphone | φ11.7 * 60 UNS |