77535 AZ EB
NDIR CO2 Temp RH Monitor
Features
ISO 9001 Facility: Manufactured in an ISO 9001 certified environment.
CE EN 61326-1: Designed and tested to meet European EMC safety standards.
CE EN 50543: Designed to meet EN 50543 requirements for portable CO2 detection and safety monitoring.
RoHS & REACH Compliant: We provide a Manufacturer's Self Declaration, ensuring the product meets environmental safety standards for hazardous substances.
77535 AZ CO2 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 77535 AZ CO2 Meter:
The 77535 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 77535 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 77535 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 77535 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 77535 AZ CO2 Meter:
| Model | 77535 |
| CO2 Range | 0~9999 ppm |
| CO2 Resolution | 1 ppm |
| CO2 Accuracy | 0~5000 ppm:±30 ppm ±5% of reading, other range ±10% of reading |
| 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) |
| IP Rating | IP40 |
| EMC | EN 50270:2015 |
| 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 | Alkaline AA * 4 PCS |
| Battery life | ＞ 24 hours (Alkaline Battery) |
| Weight | ~200g |
| Standard Package | Meter, Manual, Batteries, Hard Carry Case |
Youtube
Welcome to learn more about the AZ CO2 meter calibration procedure
AZ CO2 meters are your reliable choices to measure CO2 in the air
Other 3
【FAQ of 77535 AZ CO2 Temp RH Meter】
Q1: How does the NDIR sensor in the AZ 77535 improve accuracy?
A: The NDIR (Non-Dispersive Infrared) sensor utilizes physical light absorption to detect CO2 molecules specifically. Unlike generic IC-based sensors that estimate levels via chemical reactions, the AZ 77535 is immune to interference from humidity and VOCs, ensuring professional-grade data stability.
Q2: Can the AZ 77535 help with workplace safety regulations?
A: Yes. It automatically calculates the 8-hour TWA (Time Weighted Average) and 15-minute STEL (Short-Term Exposure Limit). These metrics are vital for ensuring indoor air quality meets labor safety standards and for optimizing HVAC system performance.
Q3: Can the AZ 77535 be calibrated by the user?
A: Yes, users can easily perform manual calibration for CO2 in fresh air and use optional 33%RH or 75%RH salt bottles for humidity calibration to maintain accuracy.
