Omega EWS-TX Instruction Sheet

EWS Series
Economical Wall Mount Sensors
INSTRUCTION
SHEET
Shop online at: omega.com e-mail: info@omega.com
For latest product manuals: omegamanual.info
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)
TEMPERATURE VS OUTPUT
Deg.C Deg. F 4-20 mA
-18 0 4.0
-10 14 5.7
0 32 7.8
10 50 9.9
20 68 12.1
30
86 14.2
40 104
16.3
50 122
18.5
57 135
20.0
STANDARD CONDUIT BOX IS
SHOWN FOR REFERENCE ONLY
AND MUST BE PURCHASED
FROM YOUR LOCAL ELECTRICAL
SUPPLY HOUSE
EWS-TX
M3500/0514
1-5 vdc
1.00
1.43
Accessories
1.95
2.48
Model No.
3.00
EWS-MB
3.55
4.08
PSU-93
4.63
TX4-100
5.00
70.64
(2.78)
(2) MTG.
HOLES
FOR
#6–32
SCREWS
Ø 35.71
(1.406)
115.09
(4.531)
60.45
(2.38)
WALL PLATE
(SS, BRUSH FINISH)
DIMENSIONS mm (in)
EWS–MB
4-20 MA OUTPUT WIRING
12-24 VOLTS
DC POWER
SUPPLY
MODEL: PSU-93
1-5 VDC OUTPUT WIRING
12-24 VOLTS
DC POWER
SUPPLY
MODEL: PSU-93
Description
Conduit box mounting bracket/wall plate adaptor kit
24 Vdc power supply (for transmitter models)
Shielded 4 conductor transmitter cable (100 ft)
WALL PLATE AND MOUNTING BRACKET IS
NOT INCLUDED. ORDER ACCESSORY NO. EWS-MB
31.75
(1.25)
0.79
(0.031)
WALL
THICKNESS
53.97
(2.125)
107.95
(4.25)
Ø 12.7
(0.5)
6-32 UNC THRU
2 PLACES
3.96
CONDUIT BOX MOUNTING PLATE
(0.156)
(0.06" THICK ALUMINUM)
EWS–MB
EWS-TX
TEMPERATURE TRANSMITTER
1 2 3 TB2
MILIAMP INPUT
PROCESS METER
MODEL: DPi32
EWS-TX
TEMPERATURE TRANSMITTER
1 2 3 TB2
VOLTAGE INPUT
PROCESS METER
MODEL: DPi32
63.50
(2.50)
Ø 3/16
1.58
THRU.
(0.062)
2 PLACES
30.22
(1.19)
85.85
(3.28)
60.12
(2.37)
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