RMO Series
Precision compensated pressure sensors
FEATURES
· 0...10 mbar to 0...10 bar,
0...4 inch H
2
O to 0...150 psi,
absolute, gage or differential pressure
· Precision temperature compensated
· Calibrated offset and span
· Sensortechnics PRO services
MEDIA COMPATIBILITY
Non-corrosive, non-ionic working fluids such as
clean dry air, dry gases and the like.
The media wetted materials are:
port 1: front side of silicon sensor chip, glass filled
nylon, RTV, silgel (for devices from 5 psi),
ceramic (Al
2
O
3
)
port 2: silicon sensor chip, glass filled nylon, RTV,
ceramic (Al
2
O
3
)
SPECIFICATIONS
Maximum ratings
Supply voltage
Temperature limits
Compensated
Operating
Storage
Lead temperature (soldering 5 seconds)
Humidity limits (non-condensing)
Common mode pressure
3 to 16 V
EQUIVALENT CIRCUIT
+Vs
3
0 to 70 °C
-25 to 85°C
-40 to 125 °C
315°C
0 to 95 %RH
50 psig
-Vout
4
+Vout
2
1
-Vs
E / 11711 / A
1/10
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RMO Series
Precision compensated pressure sensors
PRESSURE SENSOR CHARACTERISTICS
(V
S
= 12 V, T
A
= 25°C, pressure applied to port P1)
RMO...P devices (Prime Grade)
Part no.
RMOM020...
RMOM025...
RMOM050...
RMOM100...
RMOM250...
RMOB001...
RMOB002...
RMOB005...
RMOB010...
RMOH010...
RMOP001...
RMOP005...
RMOP015...
RMOP030...
RMOP060...
RMOP100...
RMOP150...
Operating
pressure
20 mbar
25 mbar
50 mbar
100 mbar
250 mbar
1 bar
2 bar
5 bar
10 bar
10 inch H
2
O
1 p si
5 p si
1 5 p si
3 0 p si
6 0 p si
1 0 0 p si
1 5 0 p si
Proof
pressure
1
200 mbar
200 mbar
200 mbar
200 mbar
1 bar
3 bar
6 bar
17 bar
17 bar
3 p si
3 p si
1 5 p si
4 5 p si
9 0 p si
1 8 0 p si
2 5 0 p si
2 5 0 p si
Burst
pressure
2
350 mbar
350 mbar
350 mbar
350 mbar
1,7 bar
5 bar
10 bar
27 bar
27 bar
5 p si
5 p si
2 5 p si
7 5 p si
1 5 0 p si
3 0 0 p si
4 0 0 p si
4 0 0 p si
Full scale span
3
Min.
18.8 mV
19.6 mV
12.9 mV
25.8 mV
42.8 mV
86.1 mV
86.1 mV
71.8 mV
86.1 mV
19.5 mV
17.8 mV
59 mV
89 mV
89 mV
89 mV
99 mV
89 mV
Typ.
19.3 mV
20.1 mV
13.05 mV
26.1 mV
43.5 mV
87.0 mV
87.0 mV
72.5 mV
87.0 mV
20 mV
18 mV
60 mV
90 mV
90 mV
90 mV
100 mV
90 mV
Max.
19.8 mV
20.6 mV
13.2 mV
26.4 mV
44.2 mV
88.0 mV
88.0 mV
73.2 mV
88.0 mV
20.5 mV
18.2 mV
61 mV
91 mV
91 mV
91 mV
101 mV
91 mV
RMO...H devices (High Grade)
Part no.
RMOM010...
RMOM025...
RMOM050...
RMOM100...
RMOM250...
RMOB001...
RMOB002...
RMOB005...
RMOB010...
RMOH004...
RMOH010...
RMOP001...
RMOP005...
RMOP015...
RMOP030...
RMOP060...
RMOP100...
RMOP150...
E / 11711 / A
Operating
pressure
10 mbar
25 mbar
50 mbar
100 mbar
250 mbar
1 bar
2 bar
5 bar
10 bar
4 inch H
2
O
10 inch H
2
O
1 p si
5 p si
1 5 p si
3 0 p si
6 0 p si
1 0 0 p si
1 5 0 p si
Proof
pressure
1
200 mbar
200 mbar
200 mbar
200 mbar
1 bar
3 bar
6 bar
17 bar
17 bar
3 p si
3 p si
3 p si
1 5 p si
4 5 p si
9 0 p si
1 8 0 p si
2 5 0 p si
2 5 0 p si
Burst
pressure
2
350 mbar
350 mbar
350 mbar
350 mbar
1.7 bar
5 bar
10 bar
27 bar
27 bar
5 p si
5 p si
5 p si
2 5 p si
7 5 p si
1 5 0 p si
3 0 0 p si
4 0 0 p si
4 0 0 p si
Full scale span
3
Min.
23.1 mV
19.1 mV
12.3 mV
24.6 mV
41.3 mV
82.2 mV
82.2 mV
68.9 mV
82.2 mV
23 mV
19 mV
17 mV
57 mV
85 mV
85 mV
85 mV
95 mV
85 mV
Typ.
25.1 mV
20.1 mV
13.05 mV
26.1 mV
43.5 mV
87.0 mV
87.0 mV
72.5 mV
87.0 mV
25 mV
20 mV
18 mV
60 mV
90 mV
90 mV
90 mV
100 mV
90 mV
Max.
27.1 mV
21.1 mV
13.8 mV
27.6 mV
45.7 mV
91.9 mV
91.9 mV
76.1 mV
91.9 mV
27 mV
21 mV
19 mV
63 mV
95 mV
95 mV
95 mV
105 mV
95 mV
2/10
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RMO Series
Precision compensated pressure sensors
PERFORMANCE CHARACTERISTICS
(V
S
= 12 V, T
A
= 25°C, pressure applied to port P1)
RMO...P devices (Prime Grade)
Characteristics
Zero pressure offset
Combined non-linearity and hysteresis
4
Temperature effects (0 to 70°C)
5
Input resistance
Output resistance
Response time (10 to 90 %FSS)
Common mode voltage
6
all 25 mbar/10 "H
2
O devices
All other devices
Span
Offset
5
3
500
100
6
Min.
-0.5
Typ.
0
±0.25
Max.
+0.5
±0.5
±1.0
±0.5
Unit
mV
%FSS
mV
kΩ
µs
V
RMO...H devices (High Grade)
Characteristics
RMOP030ANDH, ...P030ATMH
RMOB002ANDH, ...B002ATMH
All other devices
Combined non-linearity and hysteresis
4
Temperature effects (0 to 70°C)
5
Input resistance
Output resistance
Response time (10 to 90 %FSS)
Common mode voltage
6
all devices up to 25 mbar/10 "H
2
O
All other devices
Span
Offset
Zero pressure offset
Min.
-1.0
-0.5
Typ.
0
0
±0.25
Max.
+1.0
+0.5
±1.0
±2.0
±1.0
Unit
mV
%FSS
mV
kΩ
µs
V
5
3
500
100
6
Specification notes:
1.
Proof pressure is the maximum pressure which may be applied without causing durable shifts of the electrical parameters
of the sensing element.
2.
Burst pressure is the maximum pressure which may be applied without causing damage to the sensing element or leaks from
the housing.
3.
Full scale span is the algebraic difference between the output voltage at full-scale pressure and the output at zero pressure.
The span is ratiometric to the supply voltage.
4.
Non-linearity refers to the Best Straight Line fit measured for offset pressure, full-scale pressure and ½ full-scale pressure.
5.
Shift is relative to 25°C. The RMOM010.../RMOH004... have a compensated temperature range from 0 to 50°C.
6.
This is the common-mode voltage of the output arms (pins 2 and 4) for V
S
= 12 V.
E / 11711 / A
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RMO Series
Precision compensated pressure sensors
OUTLINE DRAWING AND ELECTRICAL CONNECTION
RMO...GND... and
RMO...AND...
Pin
1
2
3
4
Connection
-Vs
+Vout
+Vs
-Vout
9.9
(0.39)
8.9
(0.35)
7.6
(0.30)
4.1
(0.16)
9.9
(0.39)
2.8
(0.11)
0.6
(0.03)
P1
Vent hole (P2)
(G version only)
5.8
7.4
(0.23) (0.29)
6.1
(0.24)
15.5
(0.61)
1.1
(0.04)
DIA 0.8
(0.03)
third angle projection
1 2 3 4
2.5
(0.10)
0.5
(0.02)
0.3
(0.01)
mass:
approx. 2 g
dimensions in mm (inches)
RMO...GFD... and
RMO...AFD...
Pin
1
2
3
4
Connection
-Vs
+Vout
+Vs
-Vout
9.9
(0.39)
8.9
(0.35)
7.6
(0.30)
4.1
(0.16)
9.9
(0.39)
10.4
(0.41)
2.8
(0.11)
P1
0.6
(0.03)
Vent hole (P2)
(GF version only)
5.8
7.4
(0.23) (0.29)
6.1
(0.24)
DIA 3.8
(0.15)
15.5
(0.61)
1.1
(0.04)
DIA 2.0
(0.08)
DIA 4.8
(0.19)
third angle projection
1 2 3 4
2.5
(0.10)
0.5
(0.02)
0.3
(0.01)
mass:
approx. 2 g
dimensions in mm (inches)
E / 11711 / A
4/10
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RMO Series
Precision compensated pressure sensors
OUTLINE DRAWING AND ELECTRICAL CONNECTION (cont.)
RMO...DND...
Pin
1
2
3
4
Connection
-Vs
+Vout
+Vs
-Vout
4.1
(0.16)
9.9
(0.39)
9.9
(0.39)
8.9
(0.35)
7.6
(0.30)
2.5
(0.10)
2.5
(0.10)
0.5
(0.02)
P1
Vent hole (P2)
5.8
(0.23)
7.4
(0.29)
6.1
(0.24)
15.5
(0.61)
1.1
(0.04)
DIA 0.8
(0.03)
third angle projection
2.5
(0.10)
1 2 3 4
0.5
(0.02)
0.3
(0.01)
mass:
approx. 2 g
dimensions in mm (inches)
19.8
(0.78)
9.9
(0.39)
8.9
(0.35)
7.6
(0.30)
10,4
(0.41)
2.8
(0.11)
RMO...DFD...
Pin
1
2
3
4
Connection
-Vs
+Vout
+Vs
-Vout
4.1
(0.16)
9.9
(0.39)
P1
0.6
(0.03)
Vent (P2)
5.8
(0.23)
7.4
(0.29)
6.1
(0.24)
DIA 3.8
(0.15)
1.1
(0.04)
DIA 2.0
(0.08)
DIA 4.8
(0.19)
15.5
(0.61)
third angle projection
1 2 3 4
2.5
(0.10)
0.5
(0.02)
0.3
(0.01)
mass:
approx. 2 g
dimensions in mm (inches)
E / 11711 / A
5/10
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