GHM Delta OHM HD32.3TCA, Operating Manual

Page: 3 / 46

HD32.3TC
- 3 -
V1.1
1 INTRODUCTION
HD32.3TC
is a portable instrument indicated for the microclimate and Indoor Air Quality (IAQ)
analysis.
Depending on the probes connected, the instrument measures:
•
T dry bulb temperature
•
T
nw
natural ventilation wet bulb temperature
•
T
g
globe thermometer temperature
•
RH relative humidity
•
V
a
air speed
•
CO
2
carbon dioxide
•
P
atm
atmospheric pressure
•
PM1.0
,
PM2.5
,
PM10
particulate matter
and calculates:
•
WBGT indoor (Wet Bulb Globe Temperature) index in absence of solar irradiation
•
WBGT outdoor
(Wet Bulb Globe Temperature) index in presence of solar irradiation
•
Mean radiant temperature Tr
•
PMV (Predicted Mean Vote) index
•
PPD (Predicted Percentage of Dissatisfied) index
•
TU (Turbolence) index
•
DR
(Draft Rate) index
Instrument main features:
•
Data logger with large memory capacity for long measuring cycles.
•
Rechargeable battery that guarantees an operating autonomy of at least 24 hours.
•
Backlit Color 4” graphic LCD (active area 52x87 mm, 800x480 pixel) with capacitive touch.
•
Data immediately available via "cloud" application accessible remotely via Wi-Fi connec-
tion.
•
Three inputs for probes with SICRAM module, which keeps memory of the probe calibration
data. The probes can be inserted in any of the inputs: they are automatically recognized
when the instrument is turned on.
•
RS485 serial port to which auxiliary probes can be connected: for example the
HD32PMB4W probe for measuring fine particles, CO
2
, and atmospheric pressure.
•
OTG Mini-USB port for PC connection and battery charging.
Microclimate
applications:
•
In moderate environment (in compliance with ISO 7730 and ASHRAE 55 standards):
o
Measurement of the
PMV
,
PPD
and
T
r
global comfort indices.
o
Measurement of the DR local discomfort index.
•
In
severe hot environment
(in compliance with ISO 7243 standard):
o
Measurement of the WBGT index.