PSB24-1 and PSB24-4 are designed for easy portability for field testing. The PSB24-1 is small lightweight (powered by one 9V battery). The PSB24-4 is slightly larger and powered by (4 “AA” batteries). It provides longer usage (1 month normal use). Perfect for longer duration testing and set-up applications.
SPECIFICATIONS Input Voltage: PSB24-1: (1) 9V battery (included) PSB24-4: (4) AA batteries (included) Dimensions: PSB24-1: 96.5 H x 60.96 W x 22.86 mm dia (3.8 x 2.4 x 0.9") PSB24-4: 147 H x 91.4 W x 33.02 mm dia (5.8 x 3.6 x 1.3") Loop Power Supply: 24 Vdc/25 mA maximum Weight: PSB24-1: 113 g (4 oz) PSB24-4: 204 g (7.2 oz)