HD 2303_0_1
HD 2303_0_2HD 2303_0_3

HD 2303.0 – Thermo Anemometer

The HD2303.0 is a portable instrument with a large LCD display. It is designed for use in
the fi elds of air conditioning, heating, ventilation and environmental comfort. It uses hotwire
or vane probes to measure air speed, fl ow rate, and temperature inside pipelines and
vents. Temperature only is measured by immersion, penetration air or contact probes. The
temperature sensor used can be chosen from the Pt100, Pt1000.
The probes are equipped with the SICRAM module, with the factory calibration data
stored inside. The Max, Min and Avg function calculate the maximum, minimum or average
values. Other functions include: the relative measurement REL, the HOLD function,
and the automatic turning off that can also be excluded.
The instruments have IP67 protection degree.

Product Description

The HD2303.0 is a portable instrument with a large LCD display. It is designed for use in
the fields of air conditioning, heating, ventilation and environmental comfort. It uses hotwire
or vane probes to measure air speed, fl ow rate, and temperature inside pipelines and
vents. Temperature only is measured by immersion, penetration air or contact probes. The
temperature sensor used can be chosen from the Pt100, Pt1000.
The probes are equipped with the SICRAM module, with the factory calibration data
stored inside. The Max, Min and Avg function calculate the maximum, minimum or average
values. Other functions include: the relative measurement REL, the HOLD function,
and the automatic turning off that can also be excluded.
The instruments have IP67 protection degree.

INSTRUMENT TECHNICAL CHARACTERISTICS
Instrument
Dimensions
(Length x Width x Height) 140x88x38mm
Weight 160g (complete with batteries)
Materials ABS
Display 2×4½ digits plus symbols
Visible area: 52x42mm
Operating conditions
Operating temperature -5…50°C
Storage temperature -25…65°C
Working relative humidity 0…90%RH without condensation
Protection degree IP67
Power supply
Batteries 3 1.5V type AA batteries
Autonomy (*) 200 hours with 1800mAh alkaline batteries
Power absorbed with instrument off < 20μA
Measuring unit °C – °F – m/s – km/h – ft/min – mph – knot – l/s
m3/min – m3/h – ft3/s – ft3/min

Connections
Input module for the probes 8-pole male DIN45326 connector
Measurement of temperature by Instrument
Pt100 measurement range -200…+650°C
Pt1000 measurement range -200…+650°C
Resolution 0.1°C
Accuracy ±0.1°C
Drift after 1 year 0.1°C/year
(*) It’s referred to all the probes except the hot wire ones, whose autonomy is stated in
the table “Hot wire probes”.

ORDERING CODES
HD2303.0: The kit consists of the instrument HD2303.0, 3 1.5V alkaline batteries, operating
manual, case. Probes must be ordered separately.
Probes complete with SICRAM module
AIR speed measurement probes
Hot-wire probes:
AP471 S1: Hot-wire telescopic probe, measuring range: 0.1…40m/s. Cable 2 metres
long.
AP471 S2: Omnidirectional hot-wire probe, measuring range: 0.1…5m/s. Cable 2 metres
long.
AP471 S3: Hot-wire telescopic probe with terminal tip for easy position, measuring range:
0.1…40m/s. Cable 2 metres long.
AP471 S4: Omnidirectional hot-wire telescopic probe with base, measuring range:
0.1…5m/s. Cable 2 metres long.
Vane probes:
AP472 S1: Vane probe with K thermocouple, Ø 100mm. Speed from 0.6 to 25m/s; temperature
from -25 to 80°C. Cable 2 metres long.
AP472 S2: Vane probe, Ø 60mm. Measurement range: 0.5…20m/s. Cable 2 metres long.
Temperature probes equipped with SICRAM module
TP472I: Immersion probe, Wire Wound Pt100 sensor. Stem Ø 3 mm, length 300 mm.
Cable 2 meters long.
TP472I.0: Immersion probe, Thin Film Pt100 sensor. Stem Ø 3 mm, length 230 mm.
Cable 2 meters long.
TP473P.I: Penetration probe, Wire Wound Pt100 sensor. Stem Ø 4mm, length 150 mm.
Cable 2 meters long.
TP473P.0: Penetration probe, Thin Film Pt100 sensor. Stem Ø 4mm, length 150 mm.
Cable 2 meters long.
TP474C.I: Contact probe, Wire Wound Pt100 sensor. Stem Ø 4mm, length 230mm,
contact surface Ø 5mm. Cable 2 meters long.
TP474C.0: Contact probe, Thin Film Pt100 sensor. Stem Ø 4mm, length 230mm, contact
surface Ø 5mm. Cable 2 meters long.
TP475A.0: Air probe, Thin Film Pt100 sensor. Stem Ø 4mm, length 230mm. Cable 2
meters long.
TP472I.5: Penetration probe, Thin Film Pt100 sensor. Stem Ø 6mm, length 500 mm.
Cable 2 meters long.
TP472I.10: Penetration probe, Thin Film Pt100 sensor. Stem Ø 6mm, length 1000mm.
Cable 2 meters long.
TP49A.0: Immersion probe, Thin Film Pt100 sensor. Stem Ø 2.7mm, length 150mm.
Cable 2 meters long. Aluminium handle.
TP49AC.0: Contact probe, Thin Film Pt100 sensor. Stem Ø 4 mm, length 150mm. Cable
2 meters long. Aluminium handle.
TP49AP.0: Penetration probe, Thin Film Pt100 sensor. Stem Ø 2.7mm, length 150mm.
Cable 2 meters long. Aluminium handle.
TP875.I: Globe thermometer Ø 150 mm with handle. Wire Wound Pt100 sensor complete
of SICRAM module. Cable 2 meters long.
TP876.I: Globe thermometer Ø 50 mm with handle. Wire Wound Pt100 sensor complete
of SICRAM module. Cable 2 meters long.
TP87.0: Immersion probe, Thin Film Pt100 sensor. Stem Ø 3 mm, length 70 mm. Cable
2 meters long.
TP878.0: Contact probe for solar panels. Thin Film Pt100 sensor. Cable 2 meters long.
TP878.1.0: Contact probe for solar panels. Thin Film Pt100 sensor .Cable 5 meters long
TP879.0: Penetration probe for compost. Thin Film Pt100 sensor. Stem Ø 8 mm, length
1000mm. Cable 2 meters long.
Temperature probes without SICRAM module
TP47.100.0: 4 wire direct Pt100 sensor immersion probe. Probe’s stem Ø 3mm, length
230mm. Connection cable 4 wires with connector, length 2 metres.
TP47.1000.0: Pt1000 sensor immersion probe. Probe’s stem Ø 3mm, length 230mm.
Connection cable 2 wires with connector, length 2 metres.
TP47: Only connector for probe connection: direct 4 wires Pt100 and 2 wires Pt1000.

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