


| รหัสสินค้า | SKU-11378 |
| หมวดหมู่ | เครื่องวัดคุณภาพอากาศ(Air Quality Meter),CEM |
| ราคาปกติ | |
| ลดเหลือ | 0.00 บาท |
| สถานะสินค้า | Pre-Order |
| ลงสินค้า | 19 ก.พ. 2565 |
| อัพเดทล่าสุด | 19 ส.ค. 2568 |
| คงเหลือ | 1 ชิ้น |
| จำนวน | ชิ้น |
CEM รุ่นDT-9881เครื่องวัดฝุ่นละอองในอากาศDetector Air(4In1)Particle Counter HCHO,CO
|
Particle Counter |
|
|
Channels |
0.3, 0.5, 1.0, 2.5, 5.0 um |
|
Flow Rate |
0.1 cu-ft/min (2.83 L/min) |
|
Counting Efficiency |
50% at 0.3um ; 100% for particle > 0.45 um |
|
Coincidence Loss |
5% at 2,000,000 particles per cubic-foot |
|
Data Storage |
up to 5000 sample records on the SD card (not included) |
|
Count Modes |
Cumulative, Differential and Concentration |
|
HCHO measurement |
|
|
Range |
0.01 to 5.00 ppm |
|
Basic accuracy |
+/- 5% |
|
Display Resolution |
0.01 ppm |
|
CO measurement |
|
|
Range |
10 to 1000 ppm |
|
Basic accuracy |
+/- 5% |
|
Display Resolution |
1 ppm |
|
Air Temperature and Relative Humidity Measurement |
|
|
Air Temperature Range |
0 deg C to 50 deg C (32 deg F to 122 deg F) |
|
Dewpoint Temperature Range |
0 deg C to 50 deg C (32 deg F to 122 deg F) |
|
Relative Humidity Range |
0 to 100% RH |
|
Air Temperature Accuracy |
10 deg C to 40 deg C: +/- 0.5 deg C (0.9 deg F) other: +/- 1 deg C (1.8 deg F) |
|
Dewpoint Temperature Accuracy |
10 deg C to 40 deg C: +/- 0.5 deg C (0.9 deg F) other: +/- 1 deg C (1.8 deg F) |
|
Relative Humidity Temperature Accuracy |
40% to 60%: +/- 3%RH 20% to 40% and 60% to 80%: +/- 3.5%RH 0% to 20% and 80% to 100%: +/- 5%RH |
|
Operating Temperature |
0 deg C to 50 deg C (32 deg F to 122 deg F) |
|
Storage Temperature |
-10 deg C to 60 deg C (14 deg F to 140 deg F) |
|
Relative Humidity |
10 to 90% RH non-condensing |
|
Display |
2.8" 320x240 Color LCD with backlight |
|
Power |
|
|
Battery |
Rechargeable battery |
|
Battery Life |
About 4 hours continuous use |
|
Battery Charge Time |
About 2 hours with AC adapter |














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