Tecfluid LD60 - Manual (Page 2)

2
WORKING PRINCIPLE
The LD-60 level switch is based on the variation of the natural resonant frequency of a vibrating
fork, when it comes into contact with a liquid or solid
This variation is detected by the internal electronics and is used to determine the state of the
output .
TECHNICAL DATA
Material: Fork: EN 1.4404 (AISI 316L). Others on demand.
Housing:
Polycarbonate.
Pipe fittings:
Threads G1 (BSP), 1 NPT.
Models:
24-250 Vac. Maximum load 350 mA. 2 wire connection with series
load
12 - 55 Vdc. Maximum load 350 mA. 3 wire connection
Switching time:
> 1s
Hysteresis:
± 2 mm with H
2
O
Working Limits:
Viscosity. Up to 10.000 cSt
Density. > 0,6 kg / l
Process temperature (product). -30 a 120ºC
Ambient temperature. -20 a 70ºC
Standard pressure: PN 16
Ingress Protection: IP65
Conforms with the Directives 73/23/CE & 89/336/CE
Conforms with the Pressure Equipment Directive 97/23/CE
This equipment is considered as being a pressure accessory and NOT a safety
accessory as defined in the 97/23/CE directive, Article 1, paragraph 2.1.3.
!