Dwyer Instruments SMC-1 Specifications
Model
2-9/64
[54.4]
9V BATTERY NEDA 1604
IEC 6F22 JIS 006P
S/N:
SM-100 (30-130dB)
Sound Level Meter
Auto Ranging
OPEN
7-55/64
[199.7]
1-21/32
[42.0]
33/64
[13.1]
1-1/2
[38.1]
IEC 61672-1 Class2
TM
1-31/64
[38]
1-7/8
[48]
4-59/64
[125]
RED
POWER LED
SWITCH
SMC-1
94 114 OFF
POWER
SOUND CALIBRATOR
dB at 1khz
IEC 942 1988 CLASS 2
(SERIAL NUMBER)
(COUNTRY OF ORIGIN)
TM
SMC-1
Sound Calibrator
Set Standard Noise Levels at Either 94 or 114 dB
Model SMC-1 Sound Calibrator is ideal for setting standard noise levels at 94 dB and 114
dB. The SMC-1 has an output frequency of 1 kHz, ±4%. This unit functions best when
environment conditions have a temperature of 68°F (20°C), relative humidity of 65%, and an
atmospheric pressure of 29.9˝ Hg (1013 mbar). The SMC-1 features a measuring accuracy of
±0.5 dB, a low battery indicator, and a 1/2˝ microphone adapter. This calibrator has a compact
design that allows the user to conveniently operate and store the product. At 10 oz (283 g)
including the battery, the SMC-1 is also extremely lightweight. Each unit includes carrying
case, battery, and instruction manual. This calibrator is ideal for calibrating sound meters such
as the Dwyer Series SM-100.
DWYER INSTRUMENTS, INC. | www.dwyer-inst.com
Model SMC-1, Sound Calibrator
438
SPECIFICATIONS
Selectable Sound Output Level: 94
dB or 114 dB.
Output Frequency: 1 kHz ±4%.
Accuracy: ±0.5 dB.
Temperature Limits:
Operating: 32 to 104°F (0 to 40°C);
Storage: 14 to 140°F (-10 to 60°C).
Humidity Limits:
Operating: 10 to 70% RH;
Storage: 10 to 90% RH.
Elevation Limit: Maximum 6562 ft
(2000 m) above sea level.
Power Requirements: 9 V alkaline
battery, included, user replaceable.
Battery Life: 20 hours with alkaline
battery (approx.).
Size: 1.89˝ diameter x 4.92˝ length (48
mm diameter x 125 mm length).
Weight: 10 oz (283 g).
Standards: ANSI S1.40-1984 and IEC
942 1988 Class 2.
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