Model Number: DLY-4G-#4141 Brand Name: KILTER Key Specifications/Special Features: Features:Measuring range: 1.999 x 109 ions/cmResolution: 1 ions/cm (accuracy: ±5%rdg)Mobility: 1.0, 0.4 and 0.15 (cm2/V.seconds) (accuracy: ±10%)Drawing air velocity: 180 cm/second

Power supply:

• DC: batteries: 12V/1.9Ah (1) and 22.5V (8)
• AC: 220V/50Hz or 115V/60Hz

Working environment humidity: 99% RH

Warranty: one year

Dimensions (L x W x H): 413 x 202 x 224mm

Weight: 3.7kg