STANDARD CONDUIT BOX IS
SHOWN FOR REFERENCE ONLY
AND MUST BE PURCHASED
FROM YOUR LOCAL ELECTRICAL
SUPPLY HOUSE
WALL PLATE AND MOUNTING BRACKET IS
NOT INCLUDED. ORDER ACCESSORY NO. EWS-MB
EWS Series
Economical Wall Mount Sensors
INSTRUCTION
SHEET
M3500/0514
TEMPERATURE VS OUTPUT
Deg.C
-18
-10
0
10
20
30
40
50
57
Deg. F
0
14
32
50
68
86
104
122
135
4-20 mA
4.0
5.7
7.8
9.9
12.1
14.2
16.3
18.5
20.0
1-5 vdc
1.00
1.43
1.95
2.48
3.00
3.55
4.08
4.63
5.00
Specifications
Temperature Range: -18 to 57°C
(0 to 135°F)
Accuracy: (Still Air) ±0.7°C (±1.2°F)
@ 25°C ±1.4°C (2.5°F) across full range
(Slow Moving Air) ±1.4°C (2.5°F) @ 25°C
±1.7°C (3.0°F) across full range
Note: Not recommended for fast moving
air applications.
Repeatability: ±0.3°C (0.5°F)
Output: 4-20 mA (1-5 Vdc) (User Selectable)
Temp. Time Constant: (for 63.2% response)
9 sec. in moving air (1 M/sec.), 30 sec. in still air
Power: 12-24 Vdc @ 20 mA
Max. Loop Resistance:
(V supply -8 V)/.020 A = Ohms
Enclosure Material: Acrylonitrile Butadlene
Dimensions: 79 x 54 x 45 mm
(3.12 L x 2.12 W x 1.78" H)
1 2 3 TB2
EWS-TX
TEMPERATURE TRANSMITTER
12-24 VOLTS
DC POWER
SUPPLY
MODEL: PSU-93
MODEL: DPi32
MILIAMP INPUT
PROCESS METER
73
4-20 MA OUTPUT WIRING
1 2 3 TB2
EWS-TX
TEMPERATURE TRANSMITTER
12-24 VOLTS
DC POWER
SUPPLY
MODEL: PSU-93
MODEL: DPi32
VOLTAGE INPUT
PROCESS METER
73
1-5 VDC OUTPUT WIRING
Model No.
Description
EWS-MB
Conduit box mounting bracket/wall plate adaptor kit
PSU-93
24 Vdc power supply (for transmitter models)
TX4-100
Shielded 4 conductor transmitter cable (100 ft)
Accessories
EWS-TX
Shop online at: omega.com e-mail: info@omega.com
For latest product manuals: omegamanual.info
60.12
(2.37)
30.22
(1.19)
31.75
(1.25)
85.85
(3.28)
60.45
(2.38)
70.64
(2.78)
DIMENSIONS mm (in)
(2) MTG.
HOLES
FOR
#6–32
SCREWS
0.79
(0.031)
WALL
THICKNESS
3.96
(0.156)
115.09
(4.531)
63.50
(2.50)
CONDUIT BOX MOUNTING PLATE
(0.06" THICK ALUMINUM)
EWS–MB
1.58
(0.062)
53.97
(2.125)
107.95
(4.25)
Ø 3/16
THRU.
2 PLACES
Ø 35.71
(1.406)
Ø 12.7
(0.5)
6-32 UNC THRU
2 PLACES
WALL PLATE
(SS, BRUSH FINISH)
EWS–MB
