DM-1100系列 DigiMag數(shù)顯微差壓表-德威爾Dwyer
DM-1100系列 DigiMag®數(shù)顯微差壓表和Magnehelic®微差壓表一樣，用于監(jiān)測空氣或其它兼容氣體的差壓。下表中列出了所有經(jīng)過工廠校準(zhǔn)的量程范圍。采用4位LCD數(shù)顯，可選8種英制/公制的壓力工程單位，無需繁瑣的壓力單位換算。面板上的四個(gè)按鍵可方便的設(shè)置參數(shù)，校準(zhǔn)零點(diǎn)和量程。它可使用9-24V直流電源，如果沒有電源時(shí)，可使用9V電池來供電。
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Housing Materials: Glass filled plastic.
Accuracy: ±1% FS including linearity, hysteresis and repeatability; ±2% FS for ranges 1" w.c. and below.
Temperature Limits: 0 to 140°F (-18 to 60°C).
Compensated Temperature Limits: 32 to 122°F (0 to 50°C).
Long Term Stability: ±1% FS per year.
Thermal Effect: ±0.05% FS/°F typ.; ±0.10% FS/°F typ. for ranges 1" w.c. and below.
Display: 4-digit LCD (Digits: 0.60"H x 0.33"W).
Display Update: Selectable for 1 second, 10 minutes or updat only from button push.
Pressure Limits: Normal and bi-directional ranges 5 in w.c. and lower = 2 psi (13.7 kPa); Normal and bi-directional ranges 10 in w.c. and higher = 11 psi (75 kPa).
Power Requirements: 9V battery, included, user replaceable or external power supply 9-24 VDC.
Current Consumption: 5 mA maximum.
Electrical Connections: Removable terminal block for 16 to 26 AWG.
Electrical Entry: Cable gland for 0.114 to 0.250" (2.9 to 6.4 mm) diameter cable.
Size: 5" (127 mm) OD front face.
Process Connections: 1/8" (3 mm) ID tubing.
Enclosure Rating: NEMA 4X (IP66).
Weight: 1.18 lb (535 g).
Selectable Engineering Units: in w.c., psi, kPa, Pa, mm w.c., mBar, in Hg, mm Hg, FS (0-100% FS).
Battery Service Life: Battery life depending on the Display updat setting: 150 hours (typical) if Display updat = 1 second; 9 months (typical) if Display updat = 10 minutes; 1.5 years (typical) if Display updat is disabled. Battery may last up to four times longer when using lithium-based battery ULTRALIFE U9VL-J.
Agency Approvals: CE
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