ANALOG MEMBRANE
DISPLACEMENT SENSORS
• Sealed
• Infinite resolution
• High integration capacity
• Durability
• Rectilinear : PMA type
• Circular : PMC type
OPERATING DESCRIPTION
PMA PMC
CA 05 F Ed 1
F
The voltage varies according to
the position of the presser on the
deformable membrane.
Yellow
Red
Green
COLLECTOR / TRACK CONTACT
PRESSER
DEFORMABLE
MEMBRANE
(Collector)
INSERT
SUPPORT
MEMBRANE
(Resistive track)
HOW TO MAKE OUT YOUR ORDER
PMA 250 A .........
Specific feature (plain language)
Special presser (optional)
Usable electrical travel (PMA only)
Sensor type (PMA or PMC)
- Other presser
- Other electrical or mechanical characteristics
- Other bases
- Integration in equipment
OPTIONS (consult us)
SPECIFIC VERSIONS (consult us for study)
PRESSER “A”
Customer base
Head office :107-111, rue du Moulin Sarrazin - 95100 Argenteuil France Tél. 33 01 30 25 97 00 - Fax. 33 01 30 25 49 40
Sales management :107-111, rue du Moulin Sarrazin - 95100 Argenteuil France Tél. 33 01 30 25 97 00 - Fax. 33 01 30 25 97 60
For information only and subject
to amendment
PMA DIMENSIONS
ELECTRICAL CHARACTERISTICS
PMC DIMENSIONS
TYPE
Total resistance (Rn)
Tolerance on Rn
Dissipation
Theoretical electrical travel (TET))
Tolerance on TET
Total electrical travel
Linearity
Temperature coefficient of resistance
Collector/track current (Ic)
Recommended current Ic
Recommended load impedance
Output smoothness *See "Specific PMA characteristics" table
≤0,1 W / cm of travel*
50 to 250 mm*
±1 mm
TET + 4 mm
±2 %
≤1 W to + 70°C
270°
±3°
310°
± 1,5 %
-300 ± 300.10-6 / °C
≤1mA
≤100 µA
≥100 Rn
< 0,1 % (NFC 93 255)
4,7 kΩ
± 20%
PMA PMC
MECHANICAL CHARACTERISTICS
TYPE
Design
Mechanical travel
Backlash
Connection
Mounting
Displacement speed
Drive
Max. alignment fault
Flexible insulating films
= Total electrical travel
< 0.1 mm
Torque ≥0,3 N
±1 mm
Flexible insulating films on FR4 substrate
= Total electrical travel
(customer stops)
< 0.3°
Torque ≥1 N.cm
3 x AWG 22 colour wires length 300 mm
With double-sided adhesive on flat, clean and dry base
≤1.5 m/s
PMA PMC
ENVIRONMENT
TYPE
Life
Temperature range
operating
storage
Protection index (NFC 20 010)
Base
25.106operations for TET < 200 mm
15.106operations for TET ≥200 mm
- 30°C to + 80°C
- 40°C to + 90°C
IP 66
flat, clean and dry
PMA PMC
> 10.106cycles
SPECIFIC PMA CHARACTERISTICS
TET
(mm) Dissipation
at + 40°C Total Electrical Travel
(mm) Film length (mm)
50
100
150
200
250
≤0,5 W
≤1 W
≤1,5 W
≤2 W
≤2,5 W
54
104
154
204
254
75
125
175
225
275
