微電腦激光粉塵儀
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微電腦激光粉塵儀
詳細說明
LD-3C型激光粉塵儀是以激光為光源具有國際先進水平的最新型袖珍式粉塵儀。唯一符合衛生部行業標準的快速測塵儀；已有千臺以上在全國各地使用。
該儀器適用于公共場所可吸入顆粒物（PM10）濃度的快速測定、工礦企業生產現場等勞動衛生方面粉塵濃度的檢測，以及環境保護領域可吸入塵濃度的監測，還可用于空氣凈化器凈化效率的評價。 ·引進日本全套生產制造及檢測標定技術及設備 Preview：
LD-3C model laser dust monitor is an intelligent multifunctional portable monitor developed by Beijing BINDA Green Technology Ltd. –the former Dust Group of Beijing Institute New Technology Application. Being one kind of advanced world standard dust monitor, the monitor can be used to quickly measure inhalable particle--PM10-- concentration in public, measure the labor hygiene related dust concentration at the field of production and monitor inhalable dust concentration in environmental protection, as well as evaluate the efficiency of an air cleaner.
The monitor is a light-scattering one with a laser light source. The quality control comes up to the national technology supervision ministry’s standard—Light-scattering Type Digital Dust Monitor Quality Control Regulations JJG 846-93 and the operation comes up to the labor ministry’s standard—Light-scattering Measurement of the Dust Concentration in Air LD98-1996 and hygiene ministry’s standard—Measurement Method of Inhalable Particle Concentration (PM10) in Air in Public, Light-scattering Method WS/T206-2001.
主要特點： LD－3C（H） 0.001 mg/m3 ； LD－3C（H） 0.001~10 mg/m3 ； Main Specifications：
1. Measuring sensitivity: LD- 3C(L) 1 CPM = 0.01 mg/m3;
LD- 3C(H) 1 CPM = 0.001 mg/m3.
2. Measuring range: LD- 3C(L) 0.01 ~ 100 mg/m3;
LD-3C(H) 0.001~10 mg/m3.
3. Measuring time interval: Standard time 1 minute. 0.1 minute and manual timing
4. Measuring accuracy: ±10%.
5. Display screen: 4 digit liquid crystal screen with indications
6. Data Storage: Cycle store 99 group of data.
7.Time sampling: Measuring time interval 1~9999 second, Power off time 0~9999
can be set.
8. Setting dust concentration alarm threshold:
concentration threshold less than 65 mg/m3; measuring time interval: 1~9999 second.
9. Output interfaces:
(1) Serial interface for PC communication: RS 232;
(2) Output interface of micro-printer;
(3) Output interface for analog value: 0 – 1 V;
(4) Output interface for digital value: level signal.
10. Power supply: Ni – MH rechargeable batteries group (1.2 V ´ 4), capacity for 8
hours, 220 V AC / 12 V DC adapter also provided.
11. Dimensions: 192 ´ 69 ´ 140 mm.
12, Weight: 1.4 kg .
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