ปั๊มสุญญากาศ Edwards รุ่น EM1 ทำงานระบบ Oil Sealed Rotary Vane เป็นปั๊มสุญญากาศที่ให้ค่าความดูดที่สูง รวดเร็ว เสียงเงียบ เหมาะสำหรับใช้ในห้องทดลองวิทยาศาตร์ และอุตสาหกรรมทั่วไป การทำงานของตัวเครื่องมีความยืดหยุ่นสูงสามารถใช้ได้กับไฟ Single-phase หรือ Three-phase
EDWARDS EM Series E2M0.7 ,E2M1.5, E1M18 ,E2M18, E2M28
ลักษณะการใช้งาน
คุณสมบัติ
EDWARDS EM Series E2M0.7 ,E2M1.5, E1M18 ,E2M18, E2M28
| Model | Units | E2M0.7 | E2M1.5 | E1M18 | E2M18 | E2M28 |
| Vacuum date | ||||||
| Peak pumping speed, 50 Hz (60 Hz) | m³h¯¹ (cfm) | 0.75(0.5) | 1.6(1.2) | 17(12.1) | 17(12.1) | 27.5(19.5) |
| Ultimate vacuum⁽¹⁾ | mbar(Torr) | 3.0 x 10¯³ (2.3 x 10¯³) | 1 x 10¯³ (7.4 x 10¯⁴) | |||
| Ultimate pressure with gas ballast | mbar(Torr) | 1.2 x 10¯¹ (1.5 x 10¯¹) | 2.5 x 10¯² (1.9 x 10¯²) | 6.5 x 10¯² (4.8 x 10¯²) | 1.5 x 10¯² (1.1 x 10¯²) | |
| Ultimate pressure with PFPE oil | mbar(Torr) | 3.0 x 10¯¹ (2.3 x 10¯²) | 1 x 10¯² (7.5 x 10¯³) | |||
| Water vapour tolerance | mbar(Torr) | 15 (11) | 50 (38) | 20 (15) | 30 (23) | |
| Water vapour capacity | gh¯¹ | 8 | 16 | 650 | 300 | 700 |
| Maximum continuous inlet pressure | mbar a (Torr a) | 1013 (760) | ||||
| Maximum gas ballast/purge pressure | bar gauge (psig) | 0.5 (7) | ||||
| Motor Data | ||||||
| Supply voltage | V | 100-120/200-400 (+/-10%) | 11/200-230 (+/-10%) | |||
| Supply frequency | Hz | 50/60 | ||||
| Motor power, 50 Hz (60 Hz) | W | 90 (90) | 160 (160) | 550 (750) | 750 (900) | |
| Nominal rotation speed, 50 Hz (60 Hz) | rpm | 1400 (1700) | 2800 (3400) | 1440 (1720) | ||
| Power connector⁽¹⁾ | IEC EN60320 C13 | IEC EN60320 C19 | ||||
| Recommended fuse, 230 V (115 V) | A | 6 (10) | 15⁽³⁾ (25) | |||
| Physical Data | ||||||
| Weight | kg (lb) | 10 (20) | 37 (82) | 39 (86) | 44 (97) | |
| Oil type (recommended) | Ultragrade 15 | Ultragrade 19 | ||||
| Oil capacity (min-max) | litre | 0.2 – 0.28 | 0.9 – 1.4 | 0.75 – 1.05 | 1..2 – 1.5 | |
| Inlet flange | NW10 | NW25 | ||||
| Exhaust flange⁽²⁾ | Nozzle 11mm external Ø removable from 3/4 in BSP tapped hole | Nozzle 15 mm external diameter removable from 3/4 in BSP tapped hole | ||||
| Noise level at ultimate (50 Hz) | dB(A) | 43 | 54 | 57 | ||
| Noise with acoustic enclosure | dB(A) | 36 | 47 | 50 | ||
| Vibration at inlet flange | mms¯¹ (rms) | No date | <4.5 | |||
| Operating temperature range | °C | 12 – 40 | 13 – 40 | |||
(1) measured as total pressure
(2) pumps listed with IEC connector only
(3) for UK 240 V use 13 A fuse
(4) PFPE variants are supplied with NW25 outlet connection
