Mode of operation

Measuring principle

Vibrating point level switch

Input

Measured variable

High and low and demand

Output

Output options

• Contactless electronic switch
• Transistor output PNP

Measuring accuracy

Hysteresis

Approx. 2 mm (0.08 inch) with vertical installation

Switching delay

Approx. 500 ms (on/off)

Frequency

Approx. 1 100 Hz

Rated operating conditions

Installation conditions

• Location

Indoor/outdoor

Ambient conditions

• Ambient temperature

-40 ... +70 °C (-40 ... +158 °F)

• Installation category

III

• Pollution degree

2

Medium conditions

• Temperature

• Standard

-40 ... +100 °C (-40 ... +212 °F)

• High temperature option

-40 ... +150 °C (-40 ... +302 °F)

• Pressure (vessel)

-1 ... 64 bar g (-14.5 ... 928 psi g)

• Density

0.7 ... 2.5 g/cm?
(0.025 ... 0.09 lb/in?)

Design

Material

• Enclosure

316L and Plastic PEI

• Tuning fork

316L (1.4404 or 1.4435)

• Process connection (threaded)

316L (1.4404 or 1.4435)

• Process seal

Klingersil C-4400

Process connection

• Pipe thread, cylindrical
  (ISO 228 T1)

G ?" A, G ?" A, or G 1" A

• Pipe thread, tapered

?" NPT, ?" NPT, or 1" NPT

• Hygienic fittings

Bolting DN 40 PN 40

Tri-clamp 1", 1?", 2" PN 10

Degree of protection

IP65/Type 4/NEMA 4 (with DIN 43650 valve plug), IP66/67 or IP68 (with M12 connector)

Conduit entry

1 x M12 [IP66/IP67 or IP68 (0.2 bar)]

Weight (housing)

250 g (9 oz)

Power supply

Supply voltage

20 ... 253 V AC, 50/60 Hz
20 ... 253 V DC

Power consumption

Max. 0.5 W

Certificates and approvals

• Overfill protection (WHG)
• Shipping approvals