SKF TMSP1 Sound Level Meter

SKF TMSP1 Sound Level Meter is a high quality, hand-held instrument for measuring the sound level in decibels. The environmental noise is picked up by the electret condenser microphone and then processed by the handset. The surrounding noise can be monitored both quantitatively and qualitatively.
SKF Sound pressure meter is supplied in a carrying case complete with windshield, calibration screwdriver, jack for external outputs and an alkaline battery.

Technical data
Designation    TMSP 1
Description    SKF Sound Pressure Meter
Frequency range    31,5 Hz to 8 KHz
Measuring level range    30 to 130 dB
Display    LCD
Digital display    4 digits
Resolution: 0,1 dB
Display update: 0,5 s
Analogue display    50 segments bar-graph
Resolution: 1 dB
Display update: 100 ms
Time weighting    Fast (125 ms), Slow (1 s)
Level ranges    Lo = 30 ~ 80 dB
Med = 50 ~ 100 dB
Hi = 80 ~ 130 dB
Auto = 30~130 dB
Accuracy    ±1,5 dB (ref 94 dB @1 KHz)
Dynamic range    50 dB
Power supply    9V Alkaline, IEC 6LR61
Power life    50 hours (with alkaline battery)
Operation temperature    0 to 40 ºC (32 to 104 º F)
Operation humidity    10 to 90 % RH
Operation altitude    Up to 2 000 m (6 560 ft) above sea level
Storage temperature    -10 to 60 ºC (14 to 140 ºF)
Storage humidity    10 to 75 % RH
Dimensions    275 x 64 x 30 mm (10.8 x 2.5 x 1.2 in.)
Case dimensions    310 x 165 x 73 mm (12.2 x 6.5 x 2.8 in.)
Weight    285 g ( 0.76 lb) including battery
Total weight (incl.case)    730 g ( 1.95 lb)