Danfoss AKS 4100 Technical Brochure

10 DKRCI.PD.SC0.C3.02 / 520H5687 © Danfoss A/S (AC-MCI/MWA), 2012-05
Liquid Level Sensor, AKS 4100/4100U
Technical data Measuring system
Measuring principle 2-wire loop-powered level transmitter; Time Domain Reectometry (TDR )
Application range Level measurement of liquid refrigerants.
Approved refrigerants:
Halogen Free / Environmently friendly: R717 / NH
3
, R744 / CO
2
HCFC: R22
HFC: R404A, R410A, R134A
Primary measured value Time between the emitted and received signal
Secondary measured value Distance or level
Design
Options 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
Max. measuring range 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.)
Dead zone This depends on the type of probe. (see pages 7 and 8)
Display and User interface
Display Integrated LCD display
128 × 64 pixels in 8-step greyscale with 4-button keypad
Interface languages English (default), German, French, Spanish
Operating conditions
Temperature:
Ambient temperature –40°C / +80°C (–40°F / +175°F)
For HMI : –20°C / +60°C (–4°F / +140°F)
Storage temperature -40…+85°C / -40…+185°F
Process connection temperature Standard
–60°C/100°C (–76°F/212°F)
Pressure:
Operating pressure Standard:
–1 barg / 100 barg (–14.5 psig / 1450 psig)
Other conditions:
Liquid dielectric constant (εr) Cable version to be used in R717 / NH
3
, HCFC and HFC
εr, liquid > 5.6
Coaxial version is mandatory in R744 / CO
2
εr, liquid > 1.3
Vibration resistance EN 60721-3-4 (1...9 Hz: 3 mm / 10...200 Hz:1g; 10g shock half-wave sinusoidal: 11 ms)
Protection category IP 66/67 equivalent to NEMA type 4X (housing) and type 6P (probe)
Installation conditions
Dimensions and weights See page 10

Danfoss AKS 4100 Specifications

General

Brand	Danfoss
Model	AKS 4100
Category	Accessories
Language	English