A-2 Technical Specifications CAL150 Technical Reference Manual
Table A-1 CAL150 Specifications
Microphone Types According to IEC 61094-4:1995
1/2” WS2P, WS2F and WS2D microphones; no adaptor
required
Temperature range SPL variation < ± 0.6 dB Frequency variation < ± 2 Hz
over the range of -10 ºC to 50 ºC
Humidity range SPL variation < ± 0.5 dB over the range 10 % to 90 %
relative humidity (non-condensing)
Frequency variation < ± 2 % over the range 10 % to
90 % relative humidity (non-condensing)
Storage temperature -40 ºC to 60 ºC
Storage humidity 0 % to 90 % relative humidity (non-condensing)
Effective volume of calibrator and
microphone
4.15cm
3
(0.253 in.
3
)
Dimensions Length 106.1 mm (4.18 in.)
Width 63.4 mm (2.5 in.)
Thickness 25.9 mm (1.02 in.)
Weight 156 gm. (5.5 oz.)
Battery 9 V NEDA 1604A or IEC 6LR61. With sufficient battery
voltage, calibrator will run (after releasing ON button)
for 1 to 1.5 minutes before automatic shutdown. With
insufficient battery voltage, calibrator will not remain
ON after release of button
Battery Voltage Operating Range 6.7 Volts to 10 Volts
Traceability Utilize a 1/2” precision condenser microphone (WS2P)
in conjunction with other traceable measuring
instruments to establish traceability of the output level
and frequency of the Model CAL150
CE-mark indicates compliance with EMC directive
Note: The reference orientation for testing the effects of
radio-frequency fields is with the radio-frequency
incident on the calibrator face and the electric field
vector parallel to the axis of the microphone. This is also
the orientation of maximum susceptibility and emissions
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