
Point level measurement
RF Capacitance / Pointek CLS100
4/18
Technical specifications
Pointek CLS100 Stainless steel pro
cess connection
(integral cable or
enclosure version)
(7ML5501)
Fully synthetic pro
cess connection
(enclosure version
only) (7ML5610)
Mode of operation
Measuring principle Inverse frequency shift capa
citive level
detection
Inverse frequency shift capa
citive level
detection
Input
Measured variable Change in picoFarad (pF) Change in picoFarad (pF)
Output
Output signal
•
Alarm output 4 ... 20/20 ... 4mA 2-wire
loop
4 ... 20/20 ... 4 mA 2-wire
loop
•
Switch output
1)
Solid-state: 30 VDC/30 VAC,
max. 82 mA
Max. switching voltage: 60
VDC/30 VAC
Max. switching current: 1 A
•
Fail-safe mode Min. or max. Min. or max.
Accuracy
Repeatability 2 mm (0.08 inch) 2 mm (0.08 inch)
Rated operating
conditions
2)
Installation conditions
•
Location Indoor/outdoor Indoor/outdoor
Ambient conditions
•
Ambient temperature -30... +85 °C (-22... +185 °F) -10... +85 °C (14... 185 °F)
•
Storage temperature ‑40...85°C (‑40...+185°F) ‑40...85°C (‑40...+185°F)
•
Installation category I I
•
Pollution degree 4 4
Medium conditions
•
Relative dielectric constant
ε
r
Min. 1.5 Min. 1.5
•
Process temperature -30... +100 °C (-22... +212
°F)
-10... +100 °C(14... 212 °F)
•
Pressure (vessel) -1... +10 bar g (-14.6... +146
psi g), nominal
2)
-1... +10 bar g (-14.6...
+146 psi g), nominal
•
Degree of protection
-
Enclosure version IP68/Type 4/NEMA 4 IP68/Type 4/NEMA 4
-
Integral cable version IP65/Type 4/NEMA 4 Not applicable
•
Cable inlet ½"NPT (M20 x 1.5 optional) ½" NPT (M20 x 1.5 optional)
Design
Enclosure/Integral cable ver
sion
Fully synthetic version
Material
•
Body (Enclosure version) Thermoplastic polyester Thermoplastic polyester
•
Lid (Enclosure version) Transparent thermoplastic
polycarbonate (PC)
Transparent thermoplastic
polycarbonate (PC)
•
Integrated cable body
(Integral cable version)
316L stainless steel Not applicable
Sensor length (nominal) 100 mm (4 inch) 100 mm (4 inch)
Process connection material
of probe/wetted parts
3)
Connection: 316L stainless
steel;
Process seal: FKM (optional
FFKM);
Sensor: PPS
(optional PVDF)
4)
PPS process connection and
PPS sensor
(Uni-Construction)
Connection (Enclosure ver
sion)
Internal 5-point terminal
block,
½"NPT wiring entrance, M20
x 1.5 optional
Removable internal 5-point
terminal block,
½"NPT wiring entrance, M20
x 1.5 optional
Connection
(Integral cable version)
4 conductors, 1 m (3.3 ft),
0.5 mm² (22 AWG), shielded,
polyester jacket
Not applicable
Technical specifications (continued)
Pointek CLS100 Stainless steel pro
cess connection
(integral cable or
enclosure version)
(7ML5501)
Fully synthetic pro
cess connection
(enclosure version
only) (7ML5610)
Process connection ¾"NPT [(Taper), ANSI/ASME
B1.20.1]
R 1" [(BSPT), EN 10226/PT
(JIS-T), JIS B 0203]
G 1"[(BSPP), EN ISO 228-1/PF
(JIS-P), JIS B 0202]
¾"NPT [(Taper), ANSI/ASME
B1.20.1]
R 1" [(BSPT), EN 10226/PT
(JIS-T), JIS B 0203]
Power supply
Standard 12 ... 33 V DC 12 ... 33 V DC
Intrinsically Safe 10 ... 30 V DC (Intrinsically
Safe barrier required)
Not applicable
Certificates and approvals
•
General: CE, CSA, FM, RCM
•
Marine: Lloyds Register of
Shipping, categories ENV1,
ENV2, and ENV5
Dust Ignition Proof (barrier
required): CSA/FM Class II
and III, Div. 1, Groups E, F,
G T4
•
Intrinsically Safe (barrier
required): CSA/FM Class I,
II, and III, Div. 1, Groups A,
B, C, D, E, F, G T4
ATEX II 1 GD ½ GD EEx ia
IIC T4 to T6 T107 °C
•
Overfill protection: WHG
(Germany)
•
General: CSA, FM
1)
When synthetic process connection version (7ML5610) is used in wet loca
tions, switching voltage of the relay is limited to 35 V DC/16 V AC.
2)
When operation is in areas classified as hazardous, observe restrictions
according to relevant certificate.
See also CLS100 Pressure/Temperature curves.
3)
For caustic materials, consult a local sales person for alternative O-rings. For
more information, please visit http://www.automa
tion.siemens.com/aspa_app.
4)
When FFKM O-ring (Option A22) is selected, process temperature is restric
ted to -20 °C (-4 °F).
Options
Optional SensGuard
Internal thread ¾" NPT
Process
connection
¾" NPT
Process
connection
R 1" (BSPT)
32
(1.26)
70 (2.75)
70 (2.75)
91 (3.6)
91 (3.6)
32
(1.26)
Optional SensGuard, dimensions in mm (inch)
Siemens FI01 · 2023
Level Measurement
© Siemens AG 2023