We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
The Simpson 887-2 sound meter calibrator is immune to a wide range of temperature and humidity conditions and is compatible with most 1/2" microphone. Operational readiness is indicated by the low battery red LED. The output is at 1000 Hz and selectable from 94 or 114 dB.
GENERAL | |
Battery | One 9-volt battery, NEDA 1604A |
Battery Life | Approximately 35 hours for 2 hours per day operation, with 9V alkaline battery |
Mechanical Construction | Aluminum case includes acoustic cavity and provides shielding |
Weight | 13.5oz (.35kg) - 897, 5.9 lbs. (2.68 Kg) SMS-2 Kit |
Dimensions | 5 1/4" long, 2" diameter (131 mm long, 50mm diameter) |
| |
ACOUSTIC OUTPUT | |
Microphone | 0.52" inch diameter |
Frequency | 1000Hz ± 1% |
Sound Pressure | Selectable at 94 or 114 dB |
Reference Level | 0dB = 20µ Pascals |
Accuracy | ± 0.5dB at reference conditions |
Distortion | Less than 2% |
| |
ENVIRONMENTAL | |
Operating Temperature | 0° to 50°C |
Storage Temperature | -40 to +60°C, battery removed |
Temperature Coefficient | Less than ± 0.05 dB/°C |
Operating Relative Humidity | 0 to 90%, non-condensing |
Reference Conditions | 23°C, 760mm Hg |
Relative Humidity | 30 to 60% |
Write Your Own Review