Máy đo khí CO2, nhiệt độ và Độ ẩm AZ Instrument AZ 7755
Model AZ 7755
Hãng sản xuất AZ Instrument
Xuất xứ Đài Loan
Bảo hành 12 Tháng
Thông số kỹ thuật:
- Dải đo khí CO2: 0 ~ 9999 ppm, (2001 ~ 9999 ppm ngoài dải thang đo)
- Nhiệt độ: -10 ~ 60oC (14 ~ 140oF)
- Độ ẩm: 0,1 ~ 99,9% RH
- Độ phân giải: 1 ppm, 0,1oC /oF
- Độ chính xác:
+ Độ chính xác nồng độ CO2: ± 50 ppm ± 5% giá trị đọc (0 ~ 2000ppm)
Các phạm vi khác không được chỉ định:
+ Độ chính xác Nhiệt độ: ±0,6 oC / ±0,9 oF
+ Độ chính xác Độ ẩm: ±3%RH (at 25oC, 10 ~ 90% RH)
±5%RH (at 25oC,các thang khác)
- Thời gian khởi động: 30 giây
- Thời gian hồi đáp:
+ CO2: < 30 giây (90% thay đổi theo bước)
+ Tair: < 2 phút (90% thay đổi theo bước)
+ Humidity: < 10 minutes (90% thay đổi theo bước)
- RƠ LE(1A 30VDC / 0,5a 125VAC): KHÔNG
- Kích thước màn hình LCD (mm, Chiều cao (C) x Chiều rộng (R)): 26 x 44
- Điều kiện hoạt động: 0 ~ 50oC, 0 ~ 95% RH (tránh ngưng tụ)
- Điều kiện bảo quản: -20 ~ 50°C, 0 ~ 95% RH (tránh ngưng tụ)
- Nguồn điện: 4 pin AA
- Tuổi thọ pin: > 24 giờ (pin Alkaline)
- Kích thước đồng hồ đo (Dài x Rộng x Cao, mm): 205 x 70 x 56
- Trọng lượng: 200g
7755 AZ
Temp. RH CO2 Meter
Features
7755 AZ CO2 Temp RH Meter features:
* Design with NDIR (Non-Dispersive Infrared) wave guide technology sensor
* Triple displays of CO2 level, temperature and humidity
* Data output to PC every 2 seconds for on-line analysis
* Display 8 hrs TWA value (time-weighted average) & 15 minutes STEL value (short-term exposure limit)
* Housing design surrounds with rails to help air ventilation for quick and accurate response
* Easy manual calibration on CO2 and humidity (with AZ salt bottle)
* Dual display 2 parameters simultaneously: CO2, temperature
* Audible carbon dioxide level warning alarm
* Big LCD display with high resolution
* Back light for working in dark area
* Battery and adaptor power supply
* PC connect via USB interface
Application
Application of 7755 AZ CO2 Meter:
The 7755 AZ portable CO2 detector could measure the indoor air quality index, including the CO2 concentration, CO2 level, CO2 level, air temperature, dew point, wet bulb temperature and humidity. The Carbon Dioxide value can be output to PC for on-line analysis. The CO2 sensor can be calibrated easily in the fresh air, and the RH sensor could be calibrated with AZ 33%/75% salt bottle.
The 7755 AZ CO2 device could be used as the CO2 checker for the air quality index in all workspace, office, hospital, school, station or home. It can be calibrated easily in the fresh air and its back light function could let user operate in the dark area. The 7755 AZ is your best choice as the indoor air quality (IAQ) testers.
Poor indoor air quaintly is considered unhealthy because it causes tiredness, loss of ability to concentrate, and even illness (ex: sick building syndrome). IAQ monitoring and survey, especially on CO2 level and air ventilation become widely applied in public areas such as office, classroom, factory, hospital, work space, residential, commercial building and hotels. It is also suggested in regulations of industrial hygiene in some countries.
The 7755 AZ CO2 & Temperature & Relative Humidity Meter was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.
Specification
Specification of 7755 AZ CO2 Meter:
| Model | 7755 |
| CO2 Range | 0~9999 ppm (2001~9999 ppm out of scale range) |
| CO2 Resolution | 1 ppm |
| CO2 Accuracy | ±50 ppm ±5% of reading (0~2000 ppm), other range are not specified |
| CO2 Response Time | ＜30 Seconds (90% step change) |
| CO2 Warm-up Time | 30 Seconds |
| Air Temperature Range | -10~60℃, 14~140℉ |
| Air Temperature Resolution | 0.1℃, 0.1℉ |
| Air Temperature Accuracy | ±0.6℃, ±0.9℉ |
| Air Temperature Response Time | ＜2 mins (90% step change) |
| Humidity Range | 0.1~99.9% RH |
| Humidity Resolution | 0.1% RH |
| Humidity Accuracy | ±3%RH (at 25℃, 10~90%RH); others ±5%RH |
| Humidity Response Time | ＜10 mins (90% step change) |
| LCD Size | 44(L) * 26(W) mm |
| Meter Size | 205(L) * 70(W) * 56(H) mm |
| Operating Temperature | 0~50℃ |
| Operating RH% | 0~95% RH (avoid condensation) |
| Storage Temperature | -20~50℃ |
| Storage RH% | 0~90% RH (avoid condensation) |
| Power Supply | AA * 4 PCS |
| Battery life | ＞ 24 hours (Alkaline Battery) |
| Weight | ~200g |
| Standard Package | Meter, Manual, Batteries, Hard Carry Case |
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