HD32.1 – Thermal Microclimate Data Logger

Brand: Delta OHM S.R.L.
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HD32.1 – Thermal Microclimate Data Logger

Part Number: HD32.1 Brand: Delta OHM S.R.L.

Thermal Microclimate Data Logger

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The HD32.1 Thermal Microclimate is a data logger multifunction instrument to measure the microclimate in moderate, hot, severe hot, cold environments and the measure of physical quantities. 

It is provided with 8 inputs for probes equipped with SICRAM module and a back-lighted graphic display. It has been designed for microclimate analysis in the workplace; the instrument is used to detect the necessary parameters to establish if a certain workspace is suitable to perform certain activities.

The instrument can manage three operating programs that can be loaded by the user, according to the measurements program and the quantities being detected.

The operating programs are:
  • prog.A – Microclimate Analysis : this program can simultaneously detect
    • Globe thermometer temperature 
    • Natural ventilation wet bulb temperature 
    • Environment temperature 
    • Atmospheric pressure 
    • Relative humidity 
    • Wind speed 
    • It can also display the local turbulence intensity Tu, for DR (Draught Rating) calculation, WBGT index (Wet Bulb Glob Temperature) with or without solar radiation, WCI index (Wind Chill Index) and average radiation temperature tr.
  • prog.B – Discomfort Analysis : this program can simultaneously detect
    • Air temperature at head height (1.7 m for a standing person; 1.1 m for a seated person) 
    • Air temperature  at abdomen height (1.1 m for a standing person; 0.6 m for a seated person)
    • Air temperature at ankle height (0.1 m)
    • Temperature at floor level
    • Temperature of the net radiometer
    • Net radiation
    • Radiant asymmetry temperature
    • This program is also used to calculate the local discomfort indexes due to vertical temperature gradients or radiant asymmetry temperature
  • prog. C – Physical Quantities : this program can simultaneously detect
    • Temperature 
    • Relative humidity 
    • Illuminance, luminance, PAR, irradiance 
    • Wind speed 
    • Carbon monoxide concentration CO 
    • Carbon dioxide concentration CO2. 
    • By using the operating program C, HD32.1 can simultaneously manage up to six different probes complete with SICRAM module: one or two light probes and a probe for each of the other physical quantities
The instrument is supplied with 4 alkaline C-type batteries, instruction manual and it includes DeltaLog 10 software.

The carrying case, the probes and the cables have to be ordered separately.

Specifications

Brand

Dimensions (Length x Width x Height)

  • 220 x 180 x 50 mm

Weight

  • 1100 g (with batteries)

Materials

  • ABS
  • Polycarbonate
  • Aluminium

Display

  • Backlit, dot matrix
  • 128x64 dots, visible area 56x38 mm

Operative Temperature

  • -5° to 50° C

Storage Temperature

  • -25° to 65° C

Operative Relative Humidity

  • 0 to 90 % RH non condensing

Protection Class

  • IP64

Instrument Uncertainty

  • ± 1-Digit @ 20° C

Mains Adapter (Code SWD10)

  • 12 Vdc/1A

Batteries

  • Four 1.5V batteries size C-BABY

Autonomy

  • With temperature and RH probes: 200 hours with 7800 mAh alkaline batteries
  • With hotwire probe @ 5 m/s: 100 hours with 7800 mAh alkaline batteries

Power Absorbed with Instrument Off

  • < 45 µA

Security of Stored Data

  • Unlimited

Atmospheric Pressure Measurement with Inbuilt Sensor Accuracy

  • ± 0.5hPa

Atmospheric Pressure Measurement with Inbuilt Sensor Resolution

  • 0.1hPa

Atmospheric Pressure Measurement with Inbuilt Sensor Response Time

  • 1 s

Temperature Measurement with Instrument Pt100 Measuring Range

  • -200…+650° C

Temperature Measurement with Instrument Resolution

  • 0.01° C in the range ± 199.99° C, 0.1° C outside this range

Temperature Measurement with Instrument Accuracy

  • ± 0.01° C in the range ± 199.99° C, ± 0.1° C outside this range

Temperature Measurement with Instrument Temperature Drift at 20° C

  • 0.003 %/°C

Temperature Measurement with Instrument Drift After 1 Year

  • 0.1° C/year

Instrument Relative Humidity Measurement Measuring Range

  • 0 to 100 %RH

Instrument Relative Humidity Measurement Resolution

  • 0.1 %RH

Instrument Relative Humidity Measurement Accuracy

  • ± 0.1 %RH

Instrument Relative Humidity Measurement Temperature Drift at 20° C

  • 0.02 %RH/°C

Instrument Relative Humidity Measurement Drift After 1 Year

  • 0.1 %RH/year

Input for Probes with SICRAM Module

  • 8 Male 8-Pole DIN 45326 connectors

RS-232C Serial Interface Type

  • Galvanically isolated RS-232C

Baud Rate

  • Configurable between 1200 and 38400 baud

Data Bit

  • 8

Parity

  • None

Stop Bit

  • 1

Flow Control

  • Xon/Xoff

Serial Cable Length

  • Maximum 15 m

USB Interface Type

  • 1.1 - 2.0 galvanically isolated

Memory

  • Divided in 64 blocks

Storage Capacity

  • 67600 storages of 8 inputs each

Storage Internal

  • To select between: 15, 30 seconds, 1, 2, 5, 10, 15, 20, 30 minutes and 1 hour

Printing Internal

  • To select between: 15, 30 seconds, 1, 2, 5, 10, 15, 20, 30 minutes and 1 hour

Documentation

Datasheet

Operating Manual

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