INSTRUMENTATION CABLE

0.50 mm² TYPE : MULTI-PAIR OVERALL SCREENED

CONSTRUCTION

 

Conductor     :     Stranded Bare/Tinned Copper Wire

 

Insulation       :     Polyethylene (PE) or Poly Vinyl Chloride (PVC)

                 Nominal thickness     : 0.4 mm

                 Dia. over insulation    : 1.73 mm

Cores            :     Twisted pairs, 40-50 mm lay. Colour coded

                           Communication Wires if necessary

 

Screen           :     Polyester Tape Wrap

                 Drain Wire of 0.5 mm²

                 Layer of Poly-Al. Tape

                 L ayer of polyester Tape

Outer Sheath  :     PVC

 

    NOTE:     i) Similar construction for other conductor sizes like 0.75mm², 1.5mm², and 2.5mm²

          ii) G.I. Wire Armouring and Outer sheath can be provided, where necessary.

 

    BASIC SPECIFICATIONS AT 20° C

 

    Conductor Resistance                         :            38 Ohms /Km Max.

    Insulation Resistance            PE          :             5000 M.Ohms. Km.Min.

                                               PVC       :             100   M.Ohms.Km.Min.

    

    Mutual Capacitance at         PE          :              55  pF/Mtr.Max.

    800 HZ (Core to Core)       PVC       :             110 pF/Mtr.Max.

 

    Attenuation at 1 KHz           PE          :             1.1 dB/Km.

                                               PVC       :             1.4 dB/Km.

    Operating Voltage                              :             250 Volts.

 

 

No. of Pairs	Laid-up dia.	Cables Wt.	Overall dia.
	(approx.)	(approx.)	with armour &
	(mm)	kg/km.	Sheath (mm)
1	6.0	55	10.6
2	8.5	85	13.1
3	9.5	105	14.1
4	10.0	120	14.6
8	13.5	190	19.0
10	14.5	220	20.0
16	17.0	320	23.0
20	19.0	390	25.0
24	21.0	460	27.0