Mô tả sản phẩm
Đồng Hồ Đo Chênh Áp Series DH3
| Model |
: |
SERIES DH3 |
| Manufacturer |
: |
DWYERS |
| Origin |
: |
USA |
| Service |
: |
Air and non-combustible, compatible gases. |
| Wetted Materials |
: |
Consult factory. |
| Housing Material |
: |
Die cast aluminum case and bezel. |
| Accuracy |
: |
<5" w.c. (except ±2.5" w.c.) : ±1%; All other ranges: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warm-up). |
| Stability |
: |
<±1% per year. |
| Pressure Limits |
: |
Ranges |
| Temperature Limits |
: |
32 to 140°F (0 to 60°C) |
| Compensated Temperature Limits |
: |
32 to 140°F (0 to 60°C) |
| Thermal Effects |
: |
0.020%/°F (0.036/°C) from 77°F (25°C). |
| Power Requirements |
: |
12-28 VDC, 12-28 VAC 50 to 400 Hz. |
| Power Consumption |
: |
3 VA max. |
| Output Signal |
: |
4-20 mA DC into 900 ohms max. |
| Zero & Span Adjustments |
: |
Accessible via menus. |
| Response Time |
: |
250 ms (damping |
| Display |
: |
Backlit 4 digit LCD 0.4" height LED indicators for set point and alarm status. |
| Electrical Connections |
: |
15 pin male high density D-sub connection. 18" (46cm) cable with 10 conductors included. 4' and 10' cables available. |
| Process Connections |
: |
1/8" female NPT. Side or back connections. |
| Mounting Orientation |
: |
Mount unit in vertical plane. |
| Size |
: |
5" (127 mm) O.D. x 3-1/8" (79.38 mm). |
| Weight |
: |
1.75 lbs. (794 g). |
| Agency Approvals |
: |
CE. |
| |
|
|
| SWITCH SPECIFICATIONS |
|
|
| Switch Type |
: |
2 SPDT relays. |
| Electrical Rating |
: |
1 amp @ 30 VAC/VDC. |
| Set Point Adjustment |
: |
Adjustable via keypad on face |
ACCESSORIES
A-298, Flat Aluminum Bracket for flush mounting.
A-370, Mounting Bracket flush mount bracket. Bracket is then surface mounted. Steel with gray hammertone epoxy finish.
APPLICATIONS
- SCFM flow in ducts
- Filter status
- Static pressures in ducts or buildings
- Damper control
- Fan control
-
| Model |
Ranges |
DH3-002
DH3-003
DH3-004
DH3-005
DH3-006
DH3-007
DH3-009
DH3-010
DH3-011
DH3-013
DH3-014
DH3-015
DH3-016
DH3-017
DH3-018
|
0-0.25" w.c.
0-0.5" w.c.
0-1" w.c.
0-2.5" w.c.
0-5" w.c.
0-10" w.c.
0-25" w.c.
0-50" w.c.
0-100" w.c.
0-25-0-0.25" w.c.
0.5-0-0.5" w.c.
1-0-1" w.c.
2.5-0-2.5" w.c.
5-0-5" w.c.
10-0-10" w.c. |
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ĐẠI LÝ PHÂN PHỐI CHÍNH THỨC TẠI VIỆT NAM | CÔNG TY TNHH TM-DV-KT CAO VIỆT CƯỜNG
Số 89 hẻm 249 Tân Kỳ Tân Quý, P.Tân Sơn Nhì, Q.Tân Phú, HCMC
Tel: 08-3813 4681/Fax: 08-3813 4680
Hotline: 0908 507 021/ 0909 951 237 | Email: sales@caovietcuong.com
Website: www.caovietcuong.com | www.thietbidomuc.com
