Jola Spezialschalter K. Mattil & Co. KG
Klostergartenstraße 11-20
D-67466 Lambrecht
Phone: +49 63 25 / 188-01
 
Level controllers Leakage detectors Other Jola products Search via product names Control of the chemical resistance
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Level controller

NVM/E/C

 
  • with guide tube made of transparent PVC
 
  • with magnetic switch HMW/1/32 and float rod made of
titanium

  
For light current applications

Guide tube dimensions: 32 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 diameter 63 mm
Float length 140 mm
Float rod diameter 6 mm
Float rod material titanium

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

 450 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: square flange made of stainless steel, steel, 
PP or PVDF (dimensions see hyperlink below)
Float rod bushing material POM
Guide tube material transparent PVC
Guide tube diameter 32 mm
Magnet capsule material PP
Mounted magnetic switches HMW/1/32
Contact 
changeover, bistable
Housing 
PP, approx. 65 x 50 x 35 mm
Protection class: IP 65
Clamp material: PP, stainless steel on request
Clamp diameter: for mounting of the magnetic switch 
on a pipe with an outside diameter of 30-32 mm; 
other tube clamp diameter available on request
Mounting orientation vertical
Mounting from the top
Temperature resistance 
between + 1° C and + 60° C
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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