Jola Spezialschalter K. Mattil & Co. KG
Klostergartenstraße 11-20
D-67466 Lambrecht
Phone: +49 63 25 / 188-01
 
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Level controller

NEM 148

 
  • with guide tube made of stainless steel 316 Ti
 
  • with magnetic switch HMW/1/28 and float rod made of 
stainless steel

  
For light current applications

Guide tube dimensions: 28 mm dia. x the height based on the float rod length
Brochure Magnetic switches, level indicators with taps and level controllers with magnetic switches [PDF]
Switching voltage AC min. 1 V
Switching voltage AC max. 42 V
Switching voltage DC min.  1 V
Switching voltage DC max.  42 V
Switching current AC min. 0.1 mA
Switching current AC max.  100 mA
Switching current AC max.
(inductive loads)		 50 mA
Switching current DC min.  0.1 mA
Switching current DC max.  10 mA
Switching capacity max. 4 VA or 0.4 W
Float material stainless steel 316 Ti
Float form ball float
Float diameter 148 mm
Float rod diameter 6 mm
Float rod material stainless steel 316 Ti

Max. length of the float rod for
liquids with a specific gravity
of 1 g/cm³ (dimension L)

 1,200 mm
Screw-in nippel material stainless steel 316 Ti
Screw-in nippel dimension G1
Flange 
Option: 
Installation flange for mounting of the unit from the 
outside: according to customer's specifications
Float rod bushing material POM
Guide tube material stainless steel 316 Ti
Guide tube diameter 28 mm
Magnet capsule material PP
Mounted magnetic switches HMW/1/28
Contact 
changeover, bistable
Housing 
PP, approx. 65 x 50 x 35 mm
Protection class: IP 65
Clamp material: stainless steel
Clamp diameter: for mounting of the magnetic switch
on a pipe with an outside diameter of 28 mm; other 
tube clamp diameter available on request
Mounting orientation vertical
Mounting from the top
Temperature resistance 
between + 1° C and + 60° C, 
other temperature application range on request
Pressure resistance 
for pressureless applications
Documents Mounting instructions for the magnetic switches HMW/…[PDF] 
Available float rod materials: 
- stainless steel 316 Ti or
- titanium

Float rod length: as desired, measured from the nipple sealing surface and without float 
(dimension L, see hyperlink below)

Max. lengths with other specific gravities on request

Float rod bushing material: on request PTFE

Max. number of magnetic switches: as desired and according to the guide tube length

Recommended application via Jola KR .. contact protection relay
(see product group "Protection relays and alarm relays", click on heading "Others")
 
This unit is not suitable for use in turbulent liquids ( e.g. in stirrer tanks) nor for use on 
vibrating machines or in places at risk from shock or vibration.

 
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