Types 8110/8111 – Tuning-Fork Level Switch

Ordering Chart
Process connection Electrical connection Item no.
8110
3/4" NPT Multipin M12 557 154
1" NPT Multipin M12 557 155
2" Clamp Multipin M12 555 294
8111
3/4" NPT 2 x M20 Cable glands 558 111
1" NPT 2 x M20 Cable glands 558 113
2" Clamp 2 x M20 Cable glands 558 114
Extension tubes are available from stock (see datasheet 8112).

8110 - Level switch tuning fork in a compact stainless steel design. Simple setup without adjustment makes this perfect for deployment into process environments. The 40mm fork offers a clear, reliable measurement and high immunity to turbulence, foam, air bubbles and buildup.

8111 - Tuning fork relay switch for rugged process environments. SuperBRIGHT visual output lets the user know the status from a distance. This device provides peace of mind from overfill or run dry and can be installed in utility or clean tanks and pipes.
Technical Data
Type 8110 8111
Process connection 3/4" NPT, 1" NPT or 1" hygienic clamp 3/4" NPT, 1" NPT or 1" hygienic clamp
Max.
fluid temperature
212 °F NPT
302 °F Clamp
302 °F NPT
302 °F Clamp
Materials Stainless / PBT housing
Stainless steel forks
Klingersil seal
Stainless / PEI housing
Stainless steel forks
Klingersil seal
Max. fluid pressure 928 PSI 928 PSI
Voltage supply 10...55 VDC / Max. 0.5 W 20…253 VAC (5 A),
50-60 Hz, or 20…72 VDC
Electrical
connections
M12 M20 cable glands
(optional 1/2" conduit)
Outputs Transistor output PNP, 250 mA Relay (DPDT), 2 floating SPDTs
Ingress protection IP66 and 67, NEMA 4X IP66 and 67, NEMA4X
CSA mark for Canada(Special inspection)
Options

8110

  • DIN 11851, Flange, SMS, BioControl connections
  • ECTFE, enamel, Hastelloy C4 or PFA
  • Higher temperatures on request

8111

  • Various length extensions (8112)
  • ATEX approvals
  • DIN 11851, Flange, SMS, BioControl connections
  • ECTFE, enamel, Hastelloy C4 or PFA
  • Higher temperatures on request
Envelope Dimensions [inch] (see datasheets for details– 8110/8111)
Types 8110/8111 Envelope Dimensions
Type A B C D
8110 3/4" NPT 0.6" 6.24" 1.25"
1" NPT 0.6" 6.36" 1.25"
2" clamp 0.6" 6.48" 1.25"
8111 3/4" NPT 0.6" 8.28" 5.34"
1" NPT 0.6" 8.40" 5.34"
2" clamp 0.6" 8.40" 5.34"

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