205型雙光束臭氧監(jiān)測(cè)儀

聯(lián)邦等效方法（FEM）

Yes, EQOA-0410-190

線性動(dòng)態(tài)范圍

0 to 250 ppm

解析度

0.1 ppb

精度（1σ均方根噪聲）

Greater of 1.0 ppb or 2% of reading for 10-s average

準(zhǔn)確性

Greater of 1.0 ppb or 2% of reading

檢測(cè)限（2σ）

2.0 ppb for 10-s average

NIST可溯源校準(zhǔn)

Yes

測(cè)量間隔

2 s (Data averaging options: 10 s, 1 min, 5 min, 1 hr)

流量（標(biāo)稱）

~1.8 Liter/min

流量要求

>1.2 L/min

基線漂移

< 1 ppb/day
< 3 ppb/year

靈敏度漂移

< 1%/day
< 3%/year

測(cè)量時(shí)間，頻率

2 s, 0.5 Hz

響應(yīng)時(shí)間，的步驟更改

4 s, 2 points

測(cè)量和平均時(shí)間

2 s, 10 s, 1 min, 5 min, 1 hr

臭氧單位

ppb, pphm, ppm, µg m-3, mg m-3

壓力單位

mbar, torr

溫度單位

°C, K

T和P更正

Yes

工作溫度范圍

0 to 50 °C standard; optional -20 to 50 °C with low temperature modifications (pump and lamp heater cold-weather package)

操作高度范圍

~0-13.5 km (150-1,013 mbar) standard; optional ~0-25 km (30-1,013 mbar) with upgraded pressure sensor

電源要求;由電池或110/220 VAC電源提供

12 V dc or 120/240 V ac, nominally 650 mA at 12 V, ~8 watt (~7 watt with cell heater unplugged)

尺寸

3.7 x 8.5 x 11.5 inches (9.5 x 21.5 x 30 cm)

重量

5.8 lb (2.6 kg); 3.1 lb (1.4 kg) without instrument case

內(nèi)部數(shù)據(jù)記錄器容量

16,383 lines (2-s fast measurement mode = 9.1 hr; 10 s avg. = 1.9 days;
1 min avg = 11 days; 5 min avg = 1.9 mo; 1 hr avg = 1.9 yr

SD卡記錄器容量

> 2 GB (> 5-year capacity for 10-s averaging mode)

用于其他儀器的內(nèi)部記錄的模擬輸入

3 Analog Inputs, 0-2.5 V; For example, could log external T, P, and RH

數(shù)據(jù)輸出

RS232, 0-2.5 V Analog, LCD Display, External USB Converter (Optional 4-20 mA Current; request quote)

數(shù)據(jù)傳輸波特率

2400, 4800, 19200

輸出范圍

User-Defined Scaling Factor in Menu

DewLine™

Yes

靜音，長(zhǎng)壽命的內(nèi)置氣泵

Yes

流量計(jì)

Yes

選項(xiàng)

Battery; External Particle Filter; Serial-to-USB Adapter; GPS; Bluetooth; 4-20 mA Current Output; Cold-Weather Package (pump, lamp heater); High-Altitude Upgrade (pressure sensor); Extra-Long-Life, Low-Temperature Internal Air Pump; Low-Power Option; Rack-Mount Case Configuration