Environmental Engineering Lab Equipments

indoor air quality monitor

Model: SL-EE-023

Special Features
1). Cost-Effective CO2 monitors made with IR-SOC technology.
2). NDIR technology to Improve the long term Stability.
3). The Alarm mode will sound at 1000PPM or adjust Alarm level
4). Several Modes for adjusting the setting parameters.
5). Portable accurate handheld CO2 Monitor.

Method : NDIR
Display : LCD
Independent CO2 and Temperature Readings Calculates Displays Ventilation Rates
Sample Method - Diffusion or flow through (50-200ml/min)

Performance –CO2 Channel A B
Measurement Range 0-3000ppm 0-10000ppm
Resolution 1ppm at 0-1000ppm
5ppm at 0-2000ppm
10ppm at 0-3000ppm
1ppm at 0-1000ppm
5ppm at 1001-2000ppm
10ppm at 2001-4000ppm
20ppm at 4001-6000ppm
40ppm at 6001-10,000ppm

Accuracy : ±50ppm or ±5% of Reading
Repeatability : ±20ppm
Temperature Dependence : ±0.1% of Reading per °C or ±2ppm per°CWhichever is greater, referenced to 25°C
Pressure Dependence : 0.13% of Reading per mm Hg (Corrected via user input for attitude)
Response Time : < 2min for 63%of Step Change
Warm-up time : <60 Seconds at 22°C
Response time : < 2min for 63%of Step Change

Performance - Temperature Channel
Temperature Range : Display 32 to 122 °F (0 to 50 °C)
Display resolution : 0.1°F (0.1°C)
Display Options : °C/°F or Off . Set up with Up/Down button
Accuracy : ±2°F (±0.1°F)
Response Time : 20-30 minutes
Calibration Interval : 12 Months

OC- Normally Low, 100mA max.@24 VDC. Adjustable set point Factory setting is 1000 ppm, One RJ-45 Connector Digital output in R11 protocal, One graphing Software ZyAura view (Under Developing)

Power Supply
Two Power Supply types
Battery type : Alkaline, AA * 4 (80 Hours)
External : 6 VDC from External AC/DC adapter
Which included in package (Use specified AC adapter only)
Power Requirement
160mA Peak, 15mA average from 6V

General Operating Conditions
Operating Temperature : 32-122 °F (0-50 °C), 0-95% RH, non-condensing.
Storage Temperature : -4 to 140°F (-20 to 60°C)