Heartbeat Technology; Performance Characteristics; Reference Operating Conditions - Endress+Hauser Liquiphant FTL64 Technical Information

Liquiphant FTL64

Heartbeat Technology

Reference operating
conditions
Endress+Hauser
Batteries
The battery is categorized as dangerous goods when transported by air and may not be installed
in the device when shipped.
Replacement batteries can be purchased from a specialist retailer. Only the following types of
AA 3.6 V lithium batteries made by the manufacturers listed below are suitable as replacement
batteries:
• SAFT LS14500
• TADIRAN SL-360/s
• XENOENERGY XL-060F
Special battery in conjunction with electronic insert FEL68 (2-wire NAMUR)
• For energy-related reasons, the Bluetooth module VU121 requires a special battery when operated
with electronics insert FEL68 (2-wire NAMUR).
• The service life of the Bluetooth module without replacing the battery is at least 5 years with a
maximum of 60 downloads of complete datasets (at ambient temperatures between
10 to 40 °C (50 to 104 °F)).
Approvals
The Bluetooth module is approved for use in the following types of protection for devices: Ex i, Ex d,
Ex e or Ex t. The temperature class of the device is limited to T4 to T1 if the Bluetooth module is
used in type of protection Ex i /IS in conjunction with electronic insert FEL68 (2-wire NAMUR) and
the required battery in the Bluetooth module.
Additional technical data
• Free-field range: 50 m (165 ft) max.
• Operation radius with intervisibility around the device: 10 m (33 ft)
For documentation on radio approvals, see the Endress+Hauser website:
Downloads.
Functions
 Additional details in the "Operability" section.
Heartbeat Technology module
The software package consists of 3 modules. These three modules combined check, evaluate and
monitor device functionality and process conditions.
• Heartbeat Diagnostics
• Heartbeat Verification
• Heartbeat Monitoring
 For more detailed information, see the "Application packages" section.

Performance characteristics

• Ambient temperature:+23 °C (+73 °F)
• Process temperature: +23 °C (+73 °F) ±5 °C (9 °F)
• Density (water): 1 g/cm 3
• Medium viscosity: 1 mPa⋅s
• Process pressure: unpressurized
• Sensor installation: vertically from above
• Density selection switch: > 0.7 g/cm
• Switch direction of sensor: uncovered to covered
Take switch point into consideration
The following are typical switch points, depending on the orientation of the point level switch.
3 (SGU)
www.endress.com →
19