NTi Audio XL2 Sound Level Meter - Manual (Page 213)

213
Specifications
Power
Supply
Rechargeable Li-Po battery included •
Type 3.7 V / 2260 mAh »
Typical battery lifetime > 4 hours »
Range: 3.3 - 4.5 VDC »
Dry cell batteries type AA, 4 x 1.5 V •
Typical battery lifetime > 4 hours »
Range: 3.7 - 6.0 VDC »
Linear external power supply 9 VDC •
Range: 7.5 - 23.0 VDC @ minimum 6 Watt »
Charges Li-Po battery during operation »
USB-Power Supply •
General
Clock
Real-time clock with lithium backup battery
Calibration Recommended calibration interval: one year •
Microphone calibration with external calibrator •
supported
Optional calibration certificate for new instruments •
available
Mechanics Tripod or microphone stand mount 1/4” •
Wire stand mounted on rear side •
Display: 160 x 160 pixels grey scale with LED back •
light
Dimensions (L x W x H) •
180 mm x 90 mm x 45 mm »
7.1” x 3.5” x 1.8” »
Weight: 480 g (1 lb) including built-in Li-Po battery •
Temperature -10 °C to +50 °C (14° to 122°F)
Humidity 5% to 90% RH, non-condensing
Susceptibil-
ity to radio
frequencies
Classification Group X
Electromag-
netic Com-
patibility
CE compliant:
EN 61326-1 Class B, EN 55011 class B
EN 61000-4-2 to -6 & -11
Protection
Rating
IP51
ATEX For applications in explosive atmospheres within •
zone 2 in accordance with IEC 60079
Conforms to 94/9/EC •
All specifications are according the standard IEC61672. Other
applicable standards are listed the corresponding specification
position.