Mode of Operation

Measuring principle

Vibrating point level switch

Input

Measured variable

High, low and demand

Measuring frequency

200 Hz

Output

Relays

DPDT relay

Relay delay

From loss of vibration: approximately 1 second

From resumption of vibration: approximately 1 ... 2 s

Signal delay

Probe uncovered to covered: approximately 1 s

Probe covered to uncovered: approximately 1 ... 2 s

Relay fail-safe

High or low, switch selectable

Alarm output

Relay 8 A at 250 V AC, non-inductive

Relay 5 A at 30 V DC, non-inductive

Sensitivity

High or low, switch selectable

Rated operating conditions

Installation conditions

• Location

Indoor/outdoor

Ambient conditions

• Ambient temperature

-40 ... +60 °C (-40 ... +140 °F)

• Installation category

III

• Pollution degree

2

Medium conditions

• Process temperature

 -40 ... +150 °C (-40 ... +302 °F)

• Max. threaded bushing temperature

60 °C (140 °F)

• Max. enclosure surface temperature (Category 2D)

90 °C (194 °F)

• Max. extension surface temperature (Category 1D)

150 °C (302 °F)

• Pressure (vessel)

Max. 10 bar g (145 psi g)
European Pressure Directive 2014/68/EU: Category 1

Minimum material density

Approx. 30 g/l (1.9 lb/ft³)

Design

Material

• Enclosure

Epoxy coated aluminum

Process connection

• Thread 1?" NPT [(Taper), ANSI/ASME B1.20.1], 
  R 1?" [(BSPT), EN 10226]
• Thread R 1?" [(BSPT),
  EN 10226], ?" NPT [(Taper),
  ANSI/ASME B1.20.1], sliding sleeve
  [min. length 500 mm (19.69 inch)]
• Thread material:
  stainless steel 304 (1.4301) or 316L (1.4404) depending on configuration

Tine material

Stainless steel 316L (1.4404)

Degree of protection

IP66/Type 4/NEMA 4

Conduit entry

2 x M20 x 1.5 or 2 x ?" NPT

Weight

Standard version, no extensions: approx. 1.7 kg (3.7 lb)

Power supply

• 19 ... 230 V AC, +10 %, 50 ... 60 Hz, 8 VA
• 19 ... 40 V DC, +10 %, 1.5 W

Certificates and approvals

• CSA/FM General Purpose
• CE
• CSA/FM Dust Ignition Proof
• RCM
• ATEX II 1/2 D
• IECex