63
5
21
7
4
8
※Verify the above model numbers when placing orders.
Part name Material
PP
Glass-Epoxy
Housing
Cover
Mounting plate
Sealing cap
P.C. board
Polyester film
Label
PVC
Photo-interrupter
Cable
1
2
3
4
5
6
7
8
INTERNAL STRUCTURE
[
PP type
]
O Low effects at detection point by introduction of new
optical technology
ONeedless shade plate, High precision
OCompact and Slim size (
φ
25 mm, t = 10 mm)
OLead-free Soldering
FEATURES
LIQUID LEAK SENSORS WL 10
MODEL NUMBER DESIGNATION
W L 1 0 - N P - 2
Series name
Switch output interface
N
NPN open collector
P
PNP open collector
Material of housing
P
PP
Polypropylene
F
PFA
(Perfluoroalkoxy alkane)
Cable length
22 m
Standard
44 m
Semi-Standard
LIST OF MODEL NUMBERS
Switch output interface
Model number
NPN PNP
PP PFA PP PFAMaterial of housing
Cable length
2 m
4 m
WL10-NP-2 WL10-NF-2 WL10-PP-2 WL10-PF-2
A WL10-NP-4 A WL10-NF-4 A WL10-PP-4 A WL10-PF-4
marking
Compatible with
EMC directive
The products marked A are manufactured upon receipt of order basis.
Green
Red
Common
Power B
Main circuit
S.Output
Load
LED Indicator
Green
Red
Common
Power B
Main circuit
S.Output
Load
LED Indicator
STANDARD SPECIFICATIONS
Item
Operating temp. range
Storage temp.
Operating humidity
Supply voltage
Operation grade
Pressure medium
Material of housing
Net weight
Model number WL10
NPN PNP
Water (PP) / Corrosive fluids compatible with PFA
Approx. 30 (WL10-
P-2) Approx. 50 (WL10-
P-4, WL10-
F-2) Approx. 80 (WL10-
F-4)
Voltage endurance : 30 VDC
Sink current : 50 mA maximum
(Over current protection)
Voltage endurance : 24 VDC
Sourced current : 50 mA maximum
(Over current protection)
1.0 V maximum 2.0 V maximum
12 ~ 24 ± 10 %
PP/PFA
35 ~ 85
No condensation
20 ~ 70
Atmospheric pressure, humidity 65 %RH maximum
10 ~ 60
Normal condition : Switch output is ON / Green LED is ON
Leakage detection : Switch output is OFF / Red LED is ON
°C
%RH
°C
V DC
Consumption current
Switching capacity
Residual voltage
10 (Except open collector output)
mA
maximum
V
maximum
g
General specificationsOutput Power
●Unless otherwise specified, the specs are defined at an ambient temperature of 25 ± 5 °C and excitation voltage of 24 V DC.
WL10
LIQUID LEAK SENSORS
ENVIRONMENTAL CHARACTERISTICS
Test item Test conditions Specification
Vibration 10 ~ 500 Hz, 1.5 mm maximum / 98.1 m / S2, 3 directions for 2 hours each
Meets standard specifications
490 m/s2, 3 directions for 3 times eachShock
IP67
EMI : EN55011: 2007, A2 : 2007 Group 1, class Bý
EMS : EN61326-1: 2006 Table 2
Protection grade
EMC
INTERNAL ELECTRICAL SCHEMATICS
ONPN OPNP
L
25
2 – 4.5
5
8.1
10.6
9.9
10 ± 250 ± 5
7.6
16.5
18
2626
18
16.5
7.6
50 ± 510 ± 2
9.9
5
8.1
10.6
25
2 – 4.5
L
LED
PFA tube  4.4
( 2.9)
φ
φ
φ
φ
φ
AWG28 ULNo.20276
3-core cable
( 2.9)
φ
φ
AWG28 ULNo.20276
3-core cable
LED
Indicator
Indicator
Detecting element
Detecting element
PFA heat shrink tubing
WL10
LIQUID LEAK SENSORS
OUTLINE DIMENSION Unless otherwise specified, tolerance: ± 0.5 (Unit: mm)
Wire color
Brown
Black
Blue
Connection
Power B
Output
Common
Model number
WL10- ** -2
WL10- ** -4
Cable length
2000 ± 100 mm
4000 ± 200 mm
OMaterial of housing - PP
OMaterial of housing - PFA