Technical Data - Danfoss AKS 4100 Technical Brochure

Liquid Level Sensor, AKS 4100/4100U

Technical data

10
Measuring system
Measuring principle
Application range
Primary measured value
Secondary measured value
Design
Options
Max. measuring range
Dead zone
Display and User interface
Display
Interface languages
Operating conditions
Temperature:
Ambient temperature
Storage temperature
Process connection temperature
Pressure:
Operating pressure
Other conditions:
Liquid dielectric constant (εr)
Vibration resistance
Protection category
Installation conditions
Dimensions and weights
DKRCI.PD.SC0.C3.02 / 520H5687
2-wire loop-powered level transmitter; Time Domain Reflectometry (TDR )
Level measurement of liquid refrigerants.
Approved refrigerants:
Halogen Free / Environmently friendly: R717 / NH
HCFC: R22
HFC: R404A, R410A, R134A
Time between the emitted and received signal
Distance or level
Probe types
Cable
Mechanical process connection with 5 m (197 in.) Ø2 mm (0.08 in.) stainless cable:
Mechanical thread on the mechanical process connection
AKS 4100: G1 in. pipe thread. Aluminium gasket included
AKS 4100U: ¾ in. NPT
Coaxial
Mechanical process connection with 5 m (197 in.) Ø2 mm (0.08 in.) stainless cable:
Mechanical thread on the mechanical process connection
AKS 4100: G1 in. pipe thread. Aluminium gasket included
AKS 4100U: ¾ in. NPT
Stainless steel tubes supporting the available probe length
LCD display
Coaxial
AKS 4100: 500, 800, 1000, 1200, 1500, 1700 and 2200 mm
AKS 4100U: 19.2, 30, 45, 55, 65, 85 in.
Single cable Ø2 mm / 0.08 in.: 800-5000 mm (31.5-197 in.)
This depends on the type of probe. (see pages 7 and 8)
Integrated LCD display
128 × 64 pixels in 8-step greyscale with 4-button keypad
English (default), German, French, Spanish
–40°C / +80°C (–40°F / +175°F)
For HMI : –20°C / +60°C (–4°F / +140°F)
-40...+85°C / -40...+185°F
Standard
–60°C/100°C (–76°F/212°F)
Standard:
–1 barg / 100 barg (–14.5 psig / 1450 psig)
Cable version to be used in R717 / NH
εr, liquid > 5.6
Coaxial version is mandatory in R744 / CO
εr, liquid > 1.3
EN 60721-3-4 (1...9 Hz: 3 mm / 10...200 Hz:1g; 10g shock half-wave sinusoidal: 11 ms)
IP 66/67 equivalent to NEMA type 4X (housing) and type 6P (probe)
See page 10
© Danfoss A/S (AC-MCI/MWA), 2012-05
, R744 / CO
3 2
, HCFC and HFC
3
2