Testo 6621 Manual de Usario

Testo No categorizado 6621

Lee a continuación 📖 el manual en español para Testo 6621 (4 páginas) en la categoría No categorizado. Esta guía fue útil para 2 personas y fue valorada con 4.5 estrellas en promedio por 2 usuarios

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Duct version with
display
Wall version with
display
Highly accurate testo humidity sensor with long-term
stability (±2.0% RH)
Optional 2-line LCD display
P2A software for parameterization, adjustment and analysis,
saves time and costs in commissioning and maintenance
Optimum calibration concept thanks to adjustment of the
entire signal chain (1-point, 2-point and analog adjustment)
Adjustment without dismantling the transmitter
2 analog outputs (humidity/temperature), option of 1
passive humidity and temperature analog output
Humidity transmitter
testo 6621
A broad variety of the testo 6621 transmitter is available.
Depending on the application in a room or in a duct,
the corresponding designs can be selected. A display
is available as an option. You can choose between
the housing colours grey and white. The testo 6621 is
persuasive in technical terms thanks to the patented
humidity sensors that guarantee the highest accuracy. The
sensors and the analog outputs can be adjusted, analyzed
and parameterized via the external interface using the P2A
software.
The testo 6621 is a high-performance transmitter for a low
price. It meets the increasing requirements in automated
building services in terms of accuracy, reliability and safety
and thereby saves energy costs.
www.testo.com
%RH
°C
testo 6621 – Humidity transmitter
Technical data
Power
Display
Humidity
testo 6621 –
A01/A03 (wall
version)
testo 6621
– A02 (duct
version)
testo 6621 –
A01/A03 (wall
version)
testo 6621
– A02 (duct
version)
Analog outputs
Housing
Other features
Display 2-line LCD (optional)
Operation
Parameterization P2A software
Assembly
Cable screw connection None (cable routed
through rear wall
opening or
break-out opening on
bottom)
1 x M16 x 1,5
Parameters
Meas. range 0 to 100% RH (>90% RH only briefly)
(not for high humidity processes)
Temperature
Meas. range 0 to +60 °C
(+32 to +140 °F)
-20 to +70 °C
(-4 to +158 °F)
Accuracy* ±2.0 %RH (0 to 90 %RH),
±4 %RH (90 to 100 %RH)
Accuracy ±0,5 °C / 0,9 °F
Sensor Active signal output: NTC
Passive signal output: NI1000
Output type 4 to 20 mA (2-wire)
0 to 1/5/10 V (4-wire)
Measuring rate 1/s
Accuracy of analog
outputs
4 to 20 mA ±0,05 mA
0 to 1 V ±2,5 mV
0 to 5 V ±12,5 mV
0 to 10 V ±25 mV
Temperature
dependency/coefficient
Temperature coefficient: 0.05%/K
(gap of 25 °C/77 °F)
Replaceability of sensor Through Testo
Service
Can be done
by customer (s.
below, Replacement
sensors), subsequent
2-point adjustment
required
Sensor Testo humidity sensor
Inputs and outputs
Number of channels 2 channels (humidity and temperature)
Voltage supply 20 to 30 V AC/DC
Current consumption
Output
2-wire current 4 to
20 mA
Voltage supply [V] Current consumption
[mA]
20 20
24 20
30 30
4-wire voltage 0 to 10V 24 7
30 7
20 20
24 22
30 28
General
Material / colour ABS/
pure white (RAL 9010) or light grey
Weight 160 g80 g / 90 g (A03)
Dimensions 81 x 81 x 26 mm 81 x 81 x 42 mm
see drawing for
probe
Resolution Humidity: 0.1 %RH
Temperature: 0.1 °C/°F
Electronics temperature
(housing) (with/without
display)
0 to +60 °C/32 to +140 °F (A01/A03),
With display: 0 to +50 °C/+32 to +122 °F;
-20 to +70 °C/-4 to +158 °F (A02),
With display: 0 to +50 °C/+32 to +122 °F
Storage temperature -40 to +70 °C (-40 to +176 °F)
Measuring medium Air in air-conditioning systems or air-
conditioned rooms
Protection class IP30 IP65
EMC According to EC directive 2004/108/EEC
Operating conditions
Interfaces 1x mini-DIN for connecting PC
Reaction time t90:
<
15 s at 2 m/s;
For calibration and adjustment, please note:
The response time may be considerably
higher in static air
Scaling range -50 to 100 °C / -58 to 212 °F,
0 to 100 %RH
* The determination of the measurement uncertainty takes place
according to GUM (Guide to the Expression of Uncertainty in
Measurement):
In the determination, the accuracy of the measuring instrument
(hysteresis, linearity, reproduceability), the uncertainty contribution of
the test site as well as the uncertainty of the adjustment site/works
calibration are taken into account. For this purpose, k=2 of the extension
factor, the usual value in measurement technology, is used as a basis,
corresponding to a trust level of 95%.
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654321
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testo 6621 – A01
(wall version)
testo 6621 – A02
(duct version)
testo 6621 – A03
(wall version)
testo 6621 – Humidity transmitter
Technical drawings / Connection plan
Technical drawings
Connection plan
A01 Wiring, 3-wire
A02 Wiring, 3-wire A02 Wiring, active/passive A02 Wiring, active/passive
A01 Wiring, active/passive A01 Wiring A02 Wiring
A03 Wiring

Especificaciones del producto

Marca: Testo
Categoría: No categorizado
Modelo: 6621

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