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Selective Level Meter Accessories

The N4L SLM3505 is a versatile, high accuracy instrument and to accompany the SLM3505 N4L have developed a range of accessories to aid the test engineer in the field.

System Connection Accessories

SLM Custom Lead Set
Selective Level Meter Connection Lead Set The SLM custom lead set was developed in collaboration with a leading PLCC communications manufacturer, the SLM custom lead set provides a convenient method of connection to a wide range on interfaces.


Connection Lead Type  Qty Length
BNC to BNC (1xRed, 1xBlack) 2 2m
BNC to Alligator (1xRed, 1xBlack) 2 2m
BNC to Pin Tip (1xRed, 1xBlack) 2 2m
4mm to Pin Tip (1xRed, 1x Green, 1xBlack) 3 2m
4mm to Alligator (1xRed, 1x Green, 1xBlack) 3 2m
Specification Data 
SLM Custom Lead Set


 N4L BAL01 PLCC Balanced Output Unit
Power Line Carrier Communications balanced output unit designed for use with the SLM3505 Selective level meter

Frequency Range Input/Output Connection
300kHz  to 600kHz BNC/4mm
Specification Data
BAL01 – Aug 2020
 N4L Directional Couplers
Selective Level Meter 50+75 Ohm Directional Couplers The SLM3505 incoroprates an innovative power measurement technique dervied from impedance analysis. This mode is a fast and convenient alternative to VSWR measurements with a passive coupler but for applications requiring VSWR technique, our 50R and 75R couplers are designed for direct connection to the SML3505 ballanced input.

Frequency Range Input/Output Connection
10kHz (10W) to 500kHz(100W) BNC
Specification Data
Directional couplers – Aug 2020


Carry Cases

 SLM3505 Aluminium Flight Case
SLM3505 Selective Level Meter Flight Case

The SLM3505 selective level meter carry case is a tough, lightweight aluminium carry case featuring security locks and CNC machined padded inserts. The SLM3505 carry case offers ultimate protection and is supplied as standard with the SLM3505 instrument.