|
|
|
|
| |
|
|
| |
|
The SM-70 sound level meter has been designed for
simple noise surveys and sound level checks. Easy to use for
measuring noise in factories, industrial complexes, fire alarms and
other alarm systems, and sound system installations.
|
|
 |
Features
- Measuring level range from 35dB to 130dB.
- Frequency range 31.5Hz – 8kHz.
- A and C weightings for checking compliance with safety
regulations as well as acoustic analysis.
- Slow (1 sec) and fast (125ms) response settings to check peak
and average noise levels.
- Maximum hold feature to measure peak sound levels.
- Over and under range indicator.
- DC millivolt output for data analysis and recording (10mV/dB).
- CE, designed to meet IEC651 and ANSI S1- 4 standards.
- Accessories included are carrying case, 9V battery,
screwdriver and instruction manual.
| General
Specifications |
| |
|
|
Power Supply |
One 9V battery
Type MN 1604 |
|
Battery Life |
50-hours
(Alkaline cell) approx. |
|
Operating
Temperature |
0°C
to 40°C (32°F to 304°F) |
|
Operating
Humidity |
10 to 90% R.H. |
|
Storage
Temperature |
-10°c
to 60°C (14°F to 140°F) |
|
Storage
Humidity |
10% to 75% R.H. |
|
|
|
|
Dimensions |
240mm (L) x 68mm
(W) x 25mm (D) |
|
Weight |
210g including
battery |
|
|
| Specifications |
| |
|
|
Standard Applied |
According to IEC 651,
ANSI S1.4 |
|
Frequency Range |
31.5Hz to 8kHz |
|
Measuring Level
Range |
35dB to 130dB |
|
Frequency
Weighting |
A/C |
|
Microphone |
1/2 inch Electric
condenser microphone |
|
Display |
LCD 4-digits |
|
Display Period |
0.5 sec |
|
Digital Display
Resolution |
0.1dB |
|
|
|
|
Time Weighting |
Fast (125mS), Slow (1
sec) |
|
Level Ranges |
Lo: 35db to 100dB and
Hi: 65dB to 130dB |
|
Accuracy |
±2.0dB (under reference conditions) |
|
Dynamic Range |
65dB |
|
|
|
|
Alarm Function |
'OVER' is shown when
input is out of range |
|
Maximum Hold |
Hold readings, with
decay <1dB/3-minutes |
|
Calibration |
Electrical
calibration with the internal (1kHz sine wave) |
|
|
|
|
AC Output |
0.65Vrms at full
scale, output impedance 600Ω approx. |
|
DC Output |
10mV/dB, output
impedance 100Ω approx. |
| |
|
|
Included Accessories |
|
Complete with Carrying Case,9V
battery installed, screw-driver, windscreen and Users
Manual. |
|
|
| |
| |
|
