Step One
SPECIFICATIONS
Dimensions
Accuracy:
±
1 mm in water
Repeatability:
±
.5 mm in water
Dielectric range:
> 20 constants
Conductive range:
> 100 micromhos
Supply voltage:
12 - 36 VDC
Consumption:
Relay: 25 mA
FET:
5mA,
±
1mA (dry)
19 mA,
±
1mA (wet)
Relay rating:
60 VDC/VAC @ 1A
FET rating:
36 VDC max. @ 100 mA max.
Switch output:
Selectable NO or NC
Temperature range:
F: -40
°
to 194
°
C: -40
°
to 90
°
Pressure range:
150 psi (10 bar) @ 25
°
C., derated @ 1.667
psi (0.113 bar) per
°
C. above 25
°
C.
Sensor material:
Polypropylene (PP) or Perfluoroalkoxy (PFA)
Sensor rating:
NEMA 6 (IP68)
Mounting threads:
Short: 3/4" NPT (3/4" BSP)
Long: 3/4" NPT (3/4" G)
Mounting gasket:
Viton (3/4"), metric only
Cable type:
8 ft. (2.5 m), 4-wire (relay) or 3-wire (FET),
22 gauge with shield & PP or PFA jacket
CSA approval:
Class I, Groups A, B, C & D;
Class II, Groups E, F & F; Class III
CSA entity parameters: V
max
= 32 VDC
I
max
= 0.5 A
C
i
= 0
µ
F
L
i
= 0 mH
Certificate number:
LR 79326-4
CE compliance:
EN 50082-2 immunity
EN 55011 emission
*All dimensions
are nominal
Red Wire
Black Wire
Shield
HAZARDOUS LOCATION
Class I, Groups A,B, C, and D
Class II, Groups E, F, and G
Class III, (see note 1)
NON-HAZARDOUS LOCATION
LP50 series sensor suitable for Class I, Groups A, B, C, and
D locations only.
CSA certified associated equipment with entity parameters.
V
max
≥
V
oc
, I
max
≥
I
sc
, C
i
+ C
cable
≤
C
a
, L
i
+ L
cable
≤
L
a
.
Installation should be in accordance with CEC Part I, or
NFPA 70.
Associated equipment must be installed per manufacturers
instructions
Sensor Drawing: LSD1
Rev. A 7-21-95
Sensor Models
LP10
LP50
LU10
LO10
Entity Parameters
V
max
= 32V
I
max
= 0.5A
C
i
≈
0
L
i
≈
0
Associated
Equipement
(see notes 2 and 5)
Notes:
1.
2.
3.
4.
5.
(+)
(-)
FET
shld
8' Cable
( 2 . 5 m )
0.7"
(19 mm)
2.1"
(54 mm)
2.8"
(70 mm)
4.5"
(114 mm)
Red
Black
White
8' Cable
( 2 . 5 m )
0.7"
(19 mm)
0.7"
(19 mm)
1.3"
(32 mm)
3.0"
(76 mm)
(+)
(-)
NO/NC
COM
shld
Red
Black
White
Green
LP10 - _ _ _ _
Sensor Material
1 - PP
2 - PFA
Sensor Length
3 - Short
4 - Long
Mounting Thread
0 - 3/4" NPT
2 - 3/4" G
Switch Output
0 - Intrinsically Safe
2 - FET, N-Channel
3 - FET, P-Channel
5 - Relay
Capacitance Switch
1,600
1,400
1,200
1,000
800
600
400
200
0
12 24 36
Acceptable
Range
Unacceptable
Range
4-20 mA Sensor
Electrical Loading Limits
Max. Series Resistance (Ohms)
Supply Voltage (VDC)
160
140
120
100
80
60
40
20
00
-40 -20 00 20 40 60 80 100
Acceptable
Range
Unacceptable
Range
Temperature / Pressure Derating
Operating Pressure (psi)
Temperature (
°
C)
PP
PFA
100
80
60
40
20
00
-20
-40
12 16 20 24 28 32 36
Acceptable
Range
Unacceptable
Range
Maximum Temperature / Voltage Derating
Continuous 20 mA Sinking Curve
Ambient Sensor
T
emperature (
°
C)
Operating Voltage (VDC)
FET
Wiring
Relay
Wiring
Intrinsically Safe Control Drawing
