RIS-SP2 VHF IS Two-Way Splitter

Intrinsically Safe MSHA Certified
• RF Branching off Leaky Feeder Cable
• DC Blocking and Termination
Selection on each Branch via Jumper
• 75 Ohm Impedance

FEATURES
Becker Mining Systems’ two-way
splitters enable branching of Leaky
Feeder cable in a smartcom®
150IS system. The RIS-SP2 is a
fully functional VHF splitter for the
frequencies 10-200 MHz.
Each branch has jumpers to select its
mode of operation:
Terminate: 75 Ω Termination.
No DC: Blocks DC voltage to/from
branch.
Normal: Passes RF and DC.
The layout rules for smartcom®
150IS systems can be found in the
latest version of drawing MSHA-IS-01.

PERFORMANCE SPECIFICATIONS
75 ohm
Termination
Jumper Select on BR 1
and BR 2
Input/Output
Impedance 75 Ω
Frequency Range 10-200 MHz
RF Loss BR1: 4 dB, BR2: 4 dB
Input Voltage
Range 0-12 Vdc
Current
Consumption 0 mA
DC Blocking Jumper Select on BR 1
and BR 2
MECHANICAL DATA
Enclosure Fiberglass reinforced
polyester plastic
Dimensions
(L x H x W)
230 x 91 x 160 mm
(9.1 x 3.6 x 6.3)
Conformal Coating 2 coats, CTI > 100
Weight (nominal) 1.6 kg (3.53 lbs)
Connectors
3 Three terminal Lug
Connectors, PG21
cable grips
VHF IS TWO-WAY SPLITTER
RIS-SP2
ENVIRONMENTAL DATA
Temperature
Range
-20 to +60° C
(-4 to +140° F)
Protection Class NEMA 4x (IP66)
APPROVALS
MSHA #23-A050001-0