Small, fine, excellent...and new in hygenic design.

Our sensors in conjunction with the Liebherr moisture measurement system type Litronic-FMS has become indispensable for many industrial processes in several branches and now also designed for use in hygiene-critical production environments in the food industry.

Determine moisture/or water content during various food production, processing, refining and monitoring processes.

The moisture measuring installation was invented in 1985 at the Bad Schussenried factory. Measurement by the Liebherr sensor system is based on the physical principle of capacitance determination in the high-frequency stray field.

Features

• Moisture sensor - capacity measurement in a high-frequency stray field
• Temperature sensor PEEK contact surface
• EHEDG-certified TYPE EL, CLASS I, MAY 2023 1.)
• FDA-conform
• Stainless steel housing V4A (1.4404) / 316L
• Suitable for SIP/CIP use
• VARINLINE® housing type N process connection
• Valid regulations: EC 1935/2004; (EU) No. 10/2011
• GMP (Good Manufacturing Practice) (EU) No. 2023/2006
• Sensitivity adjustable in three levels
• Limit value check
• Integrated microprocessor with mean value calculator
• Temperature compensation
• Sensor replacement without re-calibration

 

 

Power supply	8…30V, 0.4 VA
Measuring range	0 – 100 % moisture content (measuring window adjustable)
Max. measuring accuracy	+/- 0.05 % moisture content 2.)
Temperature measurement accuracy	+/- 0.5 °C
Max. pressure in connection with Varinline® housing flange N	16 bar
Operating ambient temperature	+5 – +80 °C
Operating temperature electronics	-20 – +80 °C
CIP – max. cleaning temperature (temperature/duration/ambient temperature)	90 °C / 30 min / 25 °C
SIP – max. sterilization temperature (steam) (temperature/duration/ambient temperature)	121 °C / 15 min / 25 °C
Update cycle	32.64 ms
Protection class	IP65, IP67, IP69K
Wear protection	PEEK
Gasket	EPDM E7502 3.)
Housing/flange material	V4A (1.4404) / 316L
Dimensions: Ø / height	84 mm / 58 mm (without cable gland)
Weight without cable	1.2 kg
Connecting cable length	6 m
Connecting cable type	UNITRONIC®ROBUST C 7x0.14 shielded
Measurement value transfer	digital: RS-485, multi-processor protocol
Max. number of sensors on bus	16
Max. bus length	1200 m

1.) EHEDG logo may only be used in connection with the following designation “Moisture sensor, Litronic-FMS planar sensor type P71-HD with PEEK product contact surface and EPDM E7502”

2.) Representative according to the batch or the period of continuous operation with the corresponding evaluation unit Litronic-FMS II, depending on material, ideal material flow and proper calibration

3.) EHEDG approved material in connection with the logo

 

Documentation