protech QM1598 User Manual

5
Sound Level Meter User Manual
3-Specification
Standard applied:
Accuracy:
Frequency range:
Dynamic range:
Memory:
Level ranges:
Med:
Hi:
Auto:
Frequency weighting:
Time weighting:
Microphone:
Display:
Display Update:
MAX hold:
MIN hold:
HOLD:
Alarm function:
Analog output:
Data output:
Auto power off:
Power supply:
Power life:
Operation temperature and humidity:
Storage temperature and temperature:
Dimension:
Weight :
IEC61672-1CLASS2
±1.4dB
31.5Hz~8KHz
50dB
32700
LO:30dB~80dB
Med:50dB~100dB
Hi:80dB~130dB
Auto:30dB~130dB
A/C
FAST( 125ms ), SLOW( 1s )
1/2 inch electret condenser microphone
4 digits LCD display with a resolution of 0.1dB
2 times/sec.
Hold the Maximum reading
Hold the Minimum reading
Hold the readings
“OVER”is when input is more than upper limit of range.“UNDER”
is when input is less than lower limit of range.
AC/DC outputs from earphone outlet AC=1Vrms ,DC=10mV/dB
USB data traffic
Meter automatically shuts down after approx. 15 minutes of inactivity.
One 9V battery, 006P or NEDA1604 or IEC 6F22.
About 30hours
0°C~40°C,10％RH~90％RH
-10°C~+60°C, 10%RH~75%RH
278 (L) x 76 (W) x 50(H) mm
350g

protech QM1598 Specifications

General

Brand	protech
Model	QM1598
Category	Measuring Instruments
Language	English