Unit UT337B 6-Channel 0.3–10 μm Laser Particle Counter

Unit UT337B 6-Channel 0.3–10 μm Laser Particle Counter

Unit UT337B is a laser particle counter by UNI-T that measures the quantity and size distribution of airborne particles in real time; it detects simultaneously in 6 channels from 0.3 µm to 10.0 µm. The reference standard is ISO 21501-4-2018; the counting efficiency is ≥50% at 0.3 µm and 100% at 0.5 µm. The sampling flow is 2.83 L/min (±5%, 0.1 CFM), the maximum sampling concentration is 2,000,000/L and the sampling time is 5 s to 6 h; cumulative and differential counting modes are provided. Temperature (±0.5 °C, -10–50 °C), relative humidity (±5.0%, 0.1–99.9%) and dew point (±0.5 °C, 0–50 °C) are also measured. It has a 3.5″ colour LED screen, data storage of 10000 records, an integrated camera, app connection via Wi-Fi, PC connection via Type-C and data export. It runs for about 5 hours on a 2600 mAh lithium battery and weighs about 710 g. The standards are EN 61326-1:2021 (Class A) and EN 60825-1:2014, and results can be assessed against ISO 14644-1 Class 4–9 and EU GMP A–D cleanliness classes.

Temperature Measurement±0.5 °C (-10–50 °C)
Humidity Measurement±5.0% (0.1–99.9%)
Additional FunctionsPDF ve CSV olarak veri dışa aktarma; ISO/EU GMP örnekleme raporu; entegre kamera ve el feneri; eşik aşımında LED ve buzzer ile sesli ve görsel alarm; temizlik sınıfı değerlendirmesi (ISO 14644-1 Class 4–9, EU GMP A–D); çoklu dil ayarı (EN, FR, DE, IT, ES, SV, PL, CZ)
Operating Temperature0–50 °C; 0–95% bağıl nem (yoğuşmasız)
Storage Temperature-30–50 °C; 0–95% bağıl nem (yoğuşmasız)
Power SourceDC 5 V 2 A (şarj); 2600 mAh Li-ion pil
Product Dimensions290 mm × 103 mm × 62 mm
GramYaklaşık 710 g
Standard AccessoriesLazer partikül sayıcı, alet kutusu, kullanım kılavuzu, genel dosya indirme kılavuzu, USB kablosu, temizleme filtresi, örnekleme borusu, el askısı
Particle Size0.3 µm, 0.5 µm, 1.0 µm, 3.0 µm, 5.0 µm, 10.0 µm (6 kanal)
Counting Efficiency0.3 µm: ≥50%; 0.5 µm: 100%
Sampling Flow Rate2.83 L/min (±5%), 0.1 CFM
Purge Time≤10 min (10 dakikada 2 kez sürekli 0; %95 güvenilirlik)
Maximum Sampling Concentration2,000,000/L
Sampling Time5 s–6 sa
Measurement ModesKümülatif; fark konsantrasyon/sayım
Dew Point Temperature±0.5 °C (0–50 °C)
Display3.5″ renkli LED ekran
Mobile AppWi-Fi ile uygulama bağlantısı
USB InterfaceType-C (PC bağlantısı)
Operating TimeYaklaşık 5 saat
Charging TimeYaklaşık 4 saat
CertificationsCE, RoHS
AccuracyPartikül dağılım hatası ≤±30% (0.5 µm ve 5.0 µm); partikül konsantrasyon hatası ≤±30% FS (0.5 µm); tekrarlanabilirlik bağıl hatası ≤10%
Sampling IntervalZaman aralığı 5–240 s; örnekleme gecikmesi 5–240 s
Memory10000 kayıt; 1000 örnekleme noktası; 1000 örnekleme
StandardsISO 21501-4-2018 (referans standart); EN 61326-1:2021 (Sınıf A); EN 60825-1:2014