SEMS-LIGHT

Main category:

RF TEST

Description:

Shielding efficiency measurement system up to 128 MHz for MRI rooms and shielded environments

General features:

Electric and magnetic field from 10 kHz to 128 MHz (300 MHz option)
The Kit consists of:
SEMS RX Receiver
SEMS TX transmitter
Pair of Loop Antennas from 2 MHz to 128 MHz
11 frequencies programmable by the operator in the entire range 10 kHz - 96 MHz
Measurement modes: automatic, manual, prequiet, unconnected
SEMS PC Utility software, carrying bag, operating manual in Italian, 2 battery chargers and RS232 PC interface cable
Standard Calibration Certificate
International regulatory compliance: MIL-Std-285; IEEE Std 299; EN 50147-1; NSA 65-6

Technical features:

Resolution 10 Hz
RF Output (TX Module): Zout 50 Ohm, N fem; Max output power (typical) +30 dBm
RF Input (RX Module): Zin 50 Ohm, Nfem; VSWR<1.2; Attenuators 0...20 dB; Max input level 110 dBuV
IF Bandwidth (RX Module): 3 dB bandwidth 5/150 Hz
Minimum attenuation accuracy (typical): 10kHz...30 MHz +/- 1 dB; 30 MHz...300 MHz +/- 1.5 dB
RS232 I/O interface
Acoustic alarm: programmable on the attenuation level
Antennas: 2 Loops Mod. L1 frequency range 2...128 MHz
Calibration and Measurement Set-Up: Pre-programmable by the operator via SEMS PC-Utility software
Operating temperature 0°C - 40°C
Powered by non-replaceable Li-Ion rechargeable batteries (6 hour duration)
TX and RX dimensions 106X46X194 mm
TX transmitter weight 708 g
RX Receiver Weight 774 g
Antenna weight L1=266 g
Antenna dimensions Loop diameter L1= 30 cm

Status:

Discontinued

Replaced by:

SEMS B LIGHT

Accessories

		CAL-KIT	Kit of 4 attenuators for testing the dynamics of the SEMS	Q.ty
		L2-P	Pair of magnetic field loop antennas range 10 kHz - 4 MHz	Q.ty
		SEMS	System for measuring the shielding efficiency of a shielded chamber. SEMS allows the measurement of the electrical and magnetic component and the search for holes in the shielding.	Q.ty
		NMR-01	Tripod in non-magnetic material (fibreglass) free of metal even in the joints, adjustable in height with soft bag	Q.ty
		NMR-ARJ	Positioner with fast connection for NMR-01 tripod or for tripods with 1/4 inch connection.	Q.ty
		KEY-300	SEMS B Firmware Upgrade System for measuring shielding efficiency in MRI rooms and shielded environments	Q.ty
		R-2	Pair of rod antennas, frequency range: 1 MHz - 128 MHz	Q.ty
		NMR-UNI	1/4 inch adapter to MPB connection for NMR-01 tripod	Q.ty
		D-2	Pair of dipoles antennas from 40 - to 300 MHz	Q.ty
		L-3	Near field loop antenna for RF leak measurements	Q.ty
		L2-A	Active loop antenna frequency range 10 kHz - 4 MHz	Q.ty
		L4-A	Active loop antenna frequency range 2 MHz - 128 MHz	Q.ty

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