LD

S

Technical details

8.210

Leak monitoring system

s

Vacuum leak detector type VLR 410 PMMV Si

Technical dat

a

Overview leak detector type VLR 410 PMMV S

i

Applications

water-hazardous

fluids with a flashpoint > 55 °C, without the occurrence of explosive vapour-air

mixtures. From

flashpoint < 55 °C: VLX... in Ex version

Monitorable

pipe length

L max = max. monitorable pipe length acc. to laying procedur

e

(see Worksheet LDS 8.120, for underground and surface-laid pipes

.

Operating pressure

up to max. 25 bar VLR 410/E (with operating pressure from 5 bar a solenoid valve must be used

)

Installation area

Install inside an enclosed, dry room with no access for unauthorized personne

l

or outside buildings. Installation in areas where there is a danger of explosions

is not permitted

.

Installation in the open/

in damp rooms

inside a suitable metal housing, depending on the requirements – optical and acoustic signal

Housing dimension

s

Height: 280 mm, width: 230 mm, depth: 130 m

m

Fittings

Insulating piece with

flanged screw connection to separate the metal connection in

earthed installations acc. to TRbF 521.

Electrical data

Rated input (without external signal)

230 V~/50 Hz/50

W

Switching contact load, connector block AS (5 and 6)

230 V~/50 Hz/200 VA

Switching contact load, potential-free contacts, connector block 11 to 12 max. 230 V~/50 Hz/5

A

min. 6 V/10 mA

External fuse protection of the leak detector

max. 10

A

Overvoltage category

2

31.03.2026 Subject to technical changes. Page 8