Digital Sound Level Meters

Extech 407730 Digital Sound Level Meter

Specifications :

Display Counts 2000 count LCD
Range 40 to 130dB
Basic Accuracy ±2dB
Condenser Microphone 0.5" (12.7mm)
Analog Output AC
Dimensions 9 x 2.2 x 1.7"(230 x 57 x 44mm)
Weight 5.6 oz (160g)

Extech 407750 Digital Sound Lever Meter

Specifications :

Digital Display 3-1/2 digit (1999 count) Autorange LCD
Bargraph Display 50dB display range (1dB resolution);
Measurement Range 30 to 130dB (35 to 130dB for “C” weighting)
Resolution 0.1dB
Accuracy ±1.5 dB @ 94dB for a 1kHz sine wave
Microphone Electret Condensor .24"(6mm dia.) type
Frequency Weighting “A” and “C” type
Time Response Slow/Fast
Sampling time updates every 0.5seconds
Measurement frequency range 31.5Hz to 8KHz
Analog output AC: 0.707Vrms (full scale);
DC: 10mVDC/dB
Applicable Standards IEC 651 Type 2, ANSI S1.4 Type 2
Power Supply 9V battery , optional AC adaptor
Dimensions “10 x 3.1 x 1.5"(256 x 80 x 38mm)
Weight 8.5oz. (240g)

Extech 407760 USB Sound Level Datalogger

Specifications :

Range 30 to 130dB
Frequency Range 31.5 to 8kHz
Basic accuracy ±1.4dB
Weighting A and C
Response Time Fast (125ms)/Slow (1s)
Datalogging 129,920 points
PC Interface USB
Dimensions 5.1 x 1.1 x 0.9" (130 x 30 x 25mm)
Weight 1oz (20g)

Amprobe SM-10 Sound Level Meter

Specifications :

General Specifications
Display 4 digits LCD
Microphone 1/2 inch Electret condenser microphone
Low Battery Indication Replace battery when LCD displays
Power Supply 9V NEDA 1604, IEC 6F22, JIS 006P battery
Power Life Approx. 50 hrs (alkaline Battery)
Auto Power Off Approx. 5 min
Environment Indoor operation, < 2000 m
Temperature / Humidity
Operation 5 °C to 40 °C (41°F to 104°F); < 80% RH
Storage -10 °C to 60 °C (14°F to 140°F); < 70 %RH
Dimension 200 x 55 x 38 mm (7.8 x 2.2 x 1.5 in)
Weight 233g. (0.5 lb.) Including battery
Electrical (Audio)
Standard applied IEC 651 Type2, ANSI 1.4 Type 2
Dynamic range 50 dB
Resolution 0.1 dB, Display Update: 0.5 sec.
Time weighting FAST(125mS), SLOW(1 sec)
Frequency range: 31.5 Hz to 8 kHz
Measuring level range (Auto Range)
A Weighting: 30 to 130 dB
C Weighting: 35 to 130 dB
Accuracy ± 1.5 dB
Calibration cycle 1 year

EN300: Hygro-Thermo-Anemometer-Light-Sound Meter

Specifications :

Measurements Range Resolution Basic Accuracy
Air Velocity
ft/min 80 to 5910 ft/min 1ft/min ±3% FS
m/s 0.4 to 30m/s 0.1m/s ±3% FS
km/h 1.4 to 108km/h 0.1km/h ±3% FS
MPH 0.9 to 67MPH 0.1MPH ±3% FS
knots 0.8 to 58.3 knots 0.1knots ±3% FS
Light
Foot Candles 0 to 1860Fc 0.1Fc ±(5% rdg + 8d)
Lux 0 to 20,000Lux 1Lux ±(5% rdg + 8d)
Relative Humidity 10 to 95%RH 0.1%RH ±4%RH of rdg
Temperature
Thermistor 32 to 122°F (0 to 50°C) 0.1° ±2.5°F/1.2°C
Type K -148 to 2372°F (-100 to 1300°C) 0.1 ±(1%+2°F1°C/) of rdg
Sound
dB 35 to 130dB 0.1dB ±1.4dB
Frequency 31.5 to 8,000Hz
Weighting/Response A weighting/fast response
Power 6 x AAA batteries
Dimensions Meter: 9.8 x 2.8 x 1.3" (248 x 70 x 34mm); Vane: 1.2" (31mm)
Weight 11.8oz (335g)