Campbell Scientific HUB-SDM8 8-Channel Hub for SDM Peripherals & Power Connections - Manual (Page 5)

HUB-SDM8
1. Introduction
The HUB-SDM8 is an 8-channel hub for SDM peripherals and power
connectors, and is used to daisy-chain multiple sets of SDM (Synchronous
Device for Measurement) devices to a single Campbell Scientific, Inc.
datalogger, as well as run multiple power connectors using a 16 AWG wire.
The HUB-SDM8 is comprised of an environmental enclosure with eight
compression fittings (two larger for 16 AWG power wires) and eight terminal
strips. The HUB-SDM8 can also be used as a generic junction box, or as a
HUB-SDM5.
2. HUB-SDM8 Specifications
Terminal Strips:
Three spring-loaded “guillotine” connections per terminal; two terminals in
common through a jumper creates eight banks
Operating Temperature:
-55 °C to +85°C
Operating Humidity:
Noncondensing 0% – 95%
Dimensions:
Length: 17.8 cm (7.0”)
Width: 19.7 cm (7.75”)
Depth: 13.3 cm (5.25”)
Weight:
0.88 kg (1.95 lbs)
3. General
Inside the HUB-SDM8 enclosure are eight pairs of spring-loaded "guillotine"
terminal strips, which provide connection points for individual wires. A small
screwdriver is included to open the guillotines for wire entry. These terminal
strips are mounted on a DIN-rail and an orange end cap separates each pair.
Each pair of terminal strips is connected to each other by means of a jumper,
and is used to connect up to six wires to each other.
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