Galaxy Audio CHECK MATE CM-160 - Manual (Page 4)

III. SPECIFICATIONS
Standard applied: IEC651 Type2, ANSI S1.4 Type2.
Frequency range: 31.5Hz ~ 8KHz
Measuring level range: 30 ~ 130dB
Frequency weighting: A / C
Microphone: 1/2 inch electret condenser microphone
Display: LCD
Digital display: 4 digits
Resolution: 0.1dB
Display Update: 0.5 sec.
Analog display: 50 segment bar graph
Resolution: 1dB
Display Update: CM-150 100 mS
CM-160 50 mS
Time weighting: FAST (125mS), SLOW (1 sec.)
Level ranges: Lo: 30 – 80 dB
Med: 50 – 100 dB
Hi: 80 – 130 dB
Auto: 30 – 130 dB
Accuracy: 1.5dB (under reference conditions @ 94dB, 1KHz)
Dynamic range: 100 dB
Alarm function: “OVER” is when the input is more than upper limit of range.
“UNDER” is when the input is less than lower limit of range.
MAX/MIN hold: Hold readings of the Maximum and Minimum Values.
AC output: 1 Vrms at FS (full scale).
Output impedance: Approx. 100
FS: means the upper limit of each level range.
DC output: 10mV / dB, output impedance approx. 1K
Power supply: One 9V battery, 006P or IEC 6F22 or NEDA 1604.
Power life: About 50hrs (alkaline battery)
AC adapter: Voltage 9 VDC (8-15VDC Max)
Supply current : > 30mADC Socket : pin
Ground
Casing Positive External Diameter 3.5mm
Internal Diameter 1.35mm
±
Ω
Ω
Z
Z Z
Z