GN 650.4 Oil level indicators narrow shape


ELESA original design
code: HCZ. / HCZ-VT

Product description


A special feature of oil level indicators GN 650.4 is their reduced dimension. The liquid level is visible even from side positions.

The polyamide body consists of two parts which are ultrasonically welded together. The oil level indicators are individually air pressure tested for leaks at 3 bar.

All oil level indicators GN 650.4 can also be used on tanks which are pressurised. Pressure test results regarding resistance under pressure are available.

As a contrast screen, a white lacquered aluminium strip is used which shows marking lines or temperature scale.

The scale is placed behind and outside the liquid column as a protective measure.

The protection frame is designed to increase the resistance of the indicator by absorbing all shocks. The protection frame is mounted to the indicator.


crystal-clear Polyamide (PA 6-T)
  • ageing resistant
  • high mechanical strength
  • temperature restistant up to 90 °C
  • solvent resistant,
    but not suitable for alcohol
  • avoid contact with hot water

Protection frame
Plastic (Polyamide PA)
  • glass fiber reinforced
  • black, matte

  • white lacquered,
  • with two black marking lines / scale

Rubber NBR (Perbunan®)

Set screw, hexagon nut, serrated lock washer
  • Type A / B / AS / BS:
    Steel, zinc plated, blue passivated
  • Type AK /BK: Plastic (PA)
    glass fiber reinforced, black matte
    Tightening torque max. 6 Nm

RoHS compliant

Technical drawing

Hide technical drawing
GN 650.4 Oil level indicators, narrow shape, Plastic sketch

Article options / Table


Awithout thermometer, without protection frame
Bwith thermometer, without protection frame
AKwithout thermometer, without protection frame, with plastic screw
BKwith thermometer, without protection frame, with plastic screw
ASwithout thermometer, with protection frame
BSwith thermometer, with protection frame
Show / Hide columns
Type A / AS
Type B / BS

Type AK
Type BK
l2l3l4l5l6l7l8l9l10s ≈
max. Wall
Thermometer scale

762227M 10M 122340991811,51517,510514,51220 ... 10068 ... 210
1272227M 12M 1223801502311,51517,515614,5100 ... 10032 ... 210
2542227M 12M 122320327823121517,528415100 ... 10032 ... 210

Build & Price

Distance of the screws l1

Selected Part (How to order)

Weight: 0,085 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

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