PCB-377B26
basic data | |||
sensitivity (at 250 Hz) | 2.15 mV / PA | [4] | |
(±2 dB) sensitivity (at 250 Hz) | -53,35 dB in relation to 1 V / PA | [4 ] | |
Frequency range (+ 2, 2 /-4.9 dB) | 2 … 20,000 Hz | [1] [2] [3] | |
lower limiting frequency (-3 dB) | 0.25 … 3.0 Hz | ||
Noise | < 45 dB(A) in relation to 20 µPa | ||
dynamic range (for THD ≤ 3%) | > 164 dB in relation to 20 µPa | ||
Conditions of use | |||
Temperature range (operation) | -40 … 158 °F | -40 … 70 °C | [5] |
Temperature range (with 20 mm probe) | -40 … 752 ° F | -40 … 400 ° C | [6] |
temperature range (with 40 mm probe) | -40 … 1.472 ° F | -40 … 800 ° C | [6] [7] |
temperature range (with 80 mm probe) | -40 … 1.472 ° F | -40 … 800 ° C | [6] [7] |
temperature range (with 160 mm probe) | -40 … 1.472 ° F | -40 … 800 ° C | [6] [7] |
Technical properties | |||
Polarization voltage | 0 V | [8] | |
Supply | 20 … 32 V DC | ||
constant power supply | 2 … 20 mA | ||
Output impedance | < 50 Ω | ||
physical properties | |||
housing material | stainless steel | ||
Sample material | stainless steel | ||
electrical connection | BNC Jack | ||
size - diameter | 0.5 in | 12.7 mm | |
Size - length | 4.4 in | 111 mm | |
size | 1.9 oz | 55 gram | [9] |
notes | |||
[1 ] | Only when using the 20 mm probe; Reference: 250 Hz | ||
[2] | individually calibrated with 20 mm probe (20 … 20,000 Hz) | ||
[3] | after correction with the help of the Operating instructions stated correction values | ||
[4] | individually calibrated with 20 mm probe | ||
[5] | microphone housing | ||
[6] | at the free end of the probe | ||
[7] | when using the cooling disc | ||
[8] | Prepolarized | ||
[9] | Typically | ||
[10] | details: see PCBs Declaration of conformance PS076 | ||
Accessories | |||
012A10 | extension cable (RG58/U), length 3 m, BNC male to BNC male | -1 | |
100-11129-30 | file | -1 | |
100-11509-90 | fat | -1 | |
51606-01 | cooling wheel and tool for probe attachment | -1 | |
51607-01 | calibration adapter for metal probe | -1 | |
51607-02 | calibration adapter for flexible probe | -1 | |
53434-01 | 20 mm probe | -1 | |
53434-02 | 40 mm probe | -1 | |
53434-03 | 80 mm probe | -1 | |
53434-04 | 160 mm probe | -1 | |
54073 01 | Cleaning tube | -1 | |
55103-01 | pliers | -1 | |
55454-01 | more flexible Probe-tube | -1 | |
55455-01 | Flexible 80 mm probe | -1 | |
56508-01 | frequency response calibration calibration adapter | -1 | |
ACS-42 | calibration of a microphone | -1 |