• LIGHT AND PORTABLE. Simple solution for the monitor and the analysis of indoor air quality in variuous situations Instrument and sensors factory calibrated
• IMMEDIATE AND DIRECT READING.  Backlit LCD graphic display for immediate reading of detected quantities
• MULTIPLE PARAMETERS AT THE SAME TIME. Simoultaneous detection of CO2 / CO / Patm / T / RH; Calculation of Dew Point / Wet Bulb Temperature / Absolute Humidity / Mixing Ratio / Enthalpy
• ACCORDING TO THE STANDARDS. According to ASHRAE 62.1applying to all confinated spaces used by people
• SAVE YOUR MEASUREMENTS. Datalogging function with large memory capacity to store the data and transfer to a PC 

• Instrument:
• Dimensions (Length x Width x Height): 210x90x40 mm (HD21ABE);  300x90x40 mm (HD21ABE17 with probe)
• Weight: 470 g (batteries included)
• Materials: ABS, rubber
• Display: Backlit, Dot Matrix,  160x160 dots, visible area 52x42 mm
• Operating conditions:
• Operating temperature: -5 … 50°C
• Warehouse temperature: -25 … 65°C
• Working relative humidity: 0 … 85% RH without condensation
• Instrument uncertainty: ± 1 digit @ 20°C
• Power:
• Mains adapter (code SWD10): 12Vdc/1A
• Batteries: 4 x 1.2V Ni-MH rechargeable batteries AA type
• Autonomy: 8 hours of continuous use in measure mode
• Power absorbed with instrument off: < 45μA
• Security of stored data: Unlimited
• Serial interface:
• Socket: mini-USB
• Type: USB 1.1 or 2.0 non insulated
• Baud rate: 460800
• Data bits: 8
• Parity: None
• Stop bits: 1
• Flow control: Xon-Xoff
• Cable length: Max. 5 m
• Memory: Divided in 64 blocks.
• Storage capacity: 67600 recordings.
• Logging interval: Selectable among: 15, 30 seconds, 1, 2, 5, 15, 20, 30 minutes and 1 hour
• TECHNICAL DATA OF THE SENSORS:
  
• CO2 Carbon Dioxide:
  
• Sensor: NDIR Dual Wavelength
• Measurement range: 0 … 5000ppm
• Sensor working range: -5 … 50°C
• Accuracy: ±50ppm+3% of measure
• Resolution: 1ppm
• Temperature dependence: 0.1%f.s./°C
• Response time (T90): < 120 sec (wind speed = 2m/sec)
• Long-term stability: 5% of measure/5 years
• CO Carbon Monoxide:
• Sensor: Electrochemical cell
• Measurement range: 0 … 500ppm
• Sensor working range: -5 … 50°C
• Accuracy: ±3ppm+3% of measure
• Resolution: 1ppm
• Response time (T90): < 50 sec
• Long-term stability: 5% of measure/year
• Service life: > 5 years in normal environment conditions
• Atmospheric Pressure Patm:
• Type of sensor: Piezo-resistive
• Measurement range: 750 … 1100 hPa
• Accuracy: ±1.5 hPa @ 25°C
• Resolution: 1 hPa
• Long-term stability: 2hPa/year
• Temperature drift: ±3hPa with temperature -20 … +60°C
• Relative Humidity RH (HD21ABE17 only):
• Type of sensor: Capacitive
• Sensor protection: Stainless steel grid filter (on request 20µm sintered filter P6 in AISI 316 or 10µm sintered filter P7 in PTFE)
• Measurement range: 0 … 100 % RH
• Sensor working range: -20 … +60°C
• Accuracy: ±2% (10÷90% RH) ±2.5% in the remaining range
• Resolution: 0.1% RH
• Temperature dependence: ±2% on all temperature range
• Hysteresis and repeatability: 1% RH
• Response time (T90): < 20 sec (wind speed = 2m/sec) without filter
• Long-term stability: 1%/year
• Temperature T (HD21ABE17 only):
• Type of sensor: NTC 10kΩ
• Measurement range: -20 … +60°C
• Accuracy: ±0.2°C ±0.15% of measure
• Resolution: 0.1°C
• Response time (T90): < 30 sec (wind speed = 2m/sec)
• Long-term stability: 0.1°C/year

• (1) HD21ABE17: IAQ Monitor datalogger kit. It measures CO, CO2, atmospheric pressure, temperature and relative humidity.
• (1) DeltaLog10 software downloadable from Delta OHM website (version 0.1.5.3 and later) for data download, monitor, and data processing on Personal Computer
• (4) 1.2V NiMH rechargeable batteries
• (1) CP23 USB cable
• (1) Power supply SWD10
• (1) Operating manual
• (1) Case.
• NOTE: The cables must be ordered separately

Brochure/Datasheet

Instruction Manual

DeltaLog10 software

Note: Prices are not binding at any time subject to change without prior notice