Đồng Hồ Đo Chênh Áp Series A3000
| Model |
: |
SERIES A3000 |
| Manufacturer |
: |
DWYERS |
| Origin |
: |
USA |
| Service |
: |
Air and non-combustible, compatible gases. |
| Wetted Materials |
: |
Consult factory. |
| Accuracy |
: |
±2% of full scale at 70°F (21.1°C). ±3% on -0 and ±4% on -00 models. |
| Pressure Limits |
: |
-20"Hg. to 25 psig (-0.677 to 1.72 bar). MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar). A36003S - 36010S; 150 psig (10.34 bar). A36020S and higher; 1.2 x full scale pressure. |
| Temperature Limits |
: |
20 to 120°F (-6.67 to 48.9°C). Low temperature option available. |
| Process Connections |
: |
1/8" female NPT. |
| Size |
: |
4" (101.6 mm) dial face, 5" (127 mm) O.D x 8-1/4" (209.55 mm). |
| Weight |
: |
4 lb (1.81 kg). |
| |
|
|
| SWITCH SPECIFICATIONS |
| Switch Type |
: |
Each setpoint has 2 form C relays (DPDT). |
| Repeatability |
: |
±1% of full scale. |
| Electrical Rating |
: |
10A @ 28 VDC, 10A @ 120, 240 VAC. |
| Electrical Connections |
: |
Screw terminals. Use 167°F (75°C) copper conductors only. |
| Power Requirements |
: |
120 VAC, 50/60 Hz; 240 VAC & 24 VAC power optional. |
| Mounting Orientation |
: |
Diaphragm in vertical position. Consult factory for other position orientations. |
| Set Point Adjustment |
: |
Adjustable knobs on face. |
| Agency Approvals |
: |
UL, CSA, CE. Optional-EXPL explosion-proof enclosure does not possess any agency approvals. |
| |
|
|
| OPTIONS |
|
|
| Single contact, right set point, for actuation on increasing or decreasing pressure. |
| OEM Model, less relay and transformer components and housing but including infrared diodes and phototransistor (s), light shutter and set pointer(s). For single or double contact. |
| Remote-Mounted Relay, relay pack may be mounted remotely from gage. Standard length is 5 ft. For other lengths, specify cable length required. |
| Tamper-proof knobs, low temperature option, special scales, voltages and other features and modifications are available. |
| Special Housings available include Weatherproof (NEMA 4) and Explosion-proof (NEMA 7 CD, 9 EFG; NEC Class I, DIV. 1 & 2, Groups C, D, Class II, Div.1&2, Groups E, F, G, Class III.) Contact Customer Service for detailed dimension drawings. |
| Model |
Range, In W.C |
Zero Center Ranges |
Model |
Range,
MM W.C. |
Zero Center Ranges |
A3000-00
A3000-0
A3001
A3002
A3003
A3004
A3005
A3006
A3008
A3010
A3015
A3020
A3025
A3030
A3040
A3050
A3060
A3080
A3100
A3150 |
0-.25
0-.50
0-1.0
0-2.0
0-3.0
0-4.0
0-5.0
0-6.0
0-8.0
0-10
0-15
0-20
0-25
0-30
0-40
0-50
0-60
0-80
0-100
0-150 |
Model |
Range,
In W.C. |
A3000-6MM
A3000-10MM
A3000-25MM
A3000-50MM
A3000-80MM
A3000-100MM |
0-6
0-10
0-25
0-50
0-80
0-100
|
Model |
Range, Pascals |
A3300-0
A3301
A3302
A3304
A3310
A3320
A3330 |
25-0-.25
.5-0-.5
1-0-1
2-0-2
5-0-5
10-0-10
15-0-15 |
A3300-250PA
A3300-500PA |
125-0-125
250-0-250 |
| Model |
Range, Kilopascals |
| Zero Center Ranges |
A3000-1KPA
A3000-1.5KPA
A3000-2KPA
A3000-3KPA
A3000-4KPA
A3000-5KPA
A3000-8KPA
A3000-10KPA
A3000-15PA
A3000-20PA
A3000-25PA
A3000-30PA |
0-1
0-1.5
0-2
0-3
0-4
0-5
0-8
0-10
0-15
0-20
0-25
0-30 |
| Model |
Range In W.C./Air Velocity, F.P.M. |
A3300-20MM
A3300-30MM |
10-0-10
15-0-15 |
|
A3000-00AV
A3000-0AV
A3001AV
A3002AV
A3010AV
|
0-.25/300-2000
0-.50/500-2800
0-1.0/500-4000
0-2.0/1000-5600
0-10/2000-12500
|
Zero Center Ranges |
A3300-4CM
A3300-10CM
A3300-30CM |
2-0-2
5-0-5
15-0-15 |
| Bi-Directional Range |
Model |
Range, Pascals |
Zero Center Ranges |
| A3000-00n |
.05-.20 |
Plot tube required |
A3000-60PA
A3000-125PA
A3000-250PA
A3000-500PA
A3000-750PA |
0-60
0-125
0-250
0-500
0-750 |
A3300-1KPA
A3300-3kpa |
5-0-.5
1.5-0-1.5
|
OPTIONS & ACCESSORIES- Add options as a suffix. Example: A3001-LT
-SRH, Single Relay Activates on Increase -MP, Medium pressure
-SRL, Single Relay Activates on Increase -HP, High pressure
-OLS, OEM model -LT, Low temperature (-20°F)
-RMR, Remote mounted relay A-298, Flat Flush Mounting Bracket
-TAMP, Tamper proof knobs A-601, Manual reset switch net
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