CM1N1923en Siemens Building Technologies
1
923
dominicaDifferential pressure nsors
for neutral or slightly aggressive gas and liquids • Operating voltage AC 24 V or 33 V • Output signal 10 V
生日快乐英文怎么说• Connecting male thread G ½"
学美式英语• 3 versions covering a total differential pressure range of 0 … 10 bar • Ceramics measurement system
•
High level of safety against overpressures
U
For acquiring the differential pressures in HVAC plant.Suited for u with the following types of medipantsuit
a:• Neutral or slightly aggressive gas
• Neutral or slightly aggressive heating water and cold water (with or without additives,such as hydrazine or glycol)
Type summary
Measurement range
[bar]
Max. overload on one side
[bar]
Nominal pressure Type 2±12PN 5±20PN 40QBE61.3-DP50 (10)
±20
PN 40
QBE61.3-DP10
1923P 01
Description Part no.
Water trap pipe, for medium temperatures above 80 °C (steam)
or below −15 °C
4 286 1652 0 Ordering and delivery
When ordering, plea give name and type reference of the unit, for exemple:
differential pressure nsor QBE61.3-DP2.
The nsor is supplied without the water trap pipe.
Equipment combinations
The differential pressure nsor can be ud with all devices or systems capable of
majesty
handling the nsor’s output signal of 10 V.
Mode of operation
The differential pressure nsor us a ceramics measurement system. The pressure
is measured by making direct contact with the medium. The pressure signal is
electronically converted to a linear 10 V signal (3-wire connection) and made
available at output “U”.
The output signal is proportional to the measurement range.
Mechanical design
The differential pressure nsor consists of:
•plastic housing with removable cover雕像英文
•mounting bracket
• 2 threaded connections G ½
•measurement system consisting of casing with an embedded ceramics element and
a printed circuit board with electronics
•strip with the connection terminals
The cable enters through a Pg 9 cable gland.
Engineering notes
The and all interconnected devices must be wired to the same G0/G−
(measuring neutral). Also refer to the Data Sheets of the devices to which the nsor is
connected.
The differential pressure at the nsor may never exceed the permissible overload on
one side (refer to “Type summary”).
High static pressure can destroy the nsor if it acts on only one side of the
measurement system. This can be prevented by using the following layout:
A B
C
QBE61.3-DP (1)
9
2
3
Z
1
E
A
B Isolating valves
C
Accessories
2/4
Mounting and installation notes
Mounting position: optional.
Medium temperatures above 80 °C (steam) or below −15 °C make it necessary to
install a water trap pipe between piping and nsor.
Connection "+" : higher pressure/smaller vacuum.
Connection "−" : lower pressure/higher vacuum.
When ud for acquiring the differential pressur in liquids, the following must be noted:
•Mount the nsor below the level of pressure measurement
•Mount the nsor on a vibration-free surface
• System venting is mandatory
The differential pressure nsor is supplied with Mounting Instructions.
Technical data
Operating voltage (SELV)AC 24 V ±15 %, 50/60 Hz or
33 V
植树节英语Power consumption<150 mVA
Output signal
Zero point voltage Voltage burden 10 V
(short-circuit-proof and reverd polarity protection) <100 mV
>10 kΩ
Measurement range refer to “Type summary”Sensing element ceramics
Measurement accuracy at 20 °C QBE61.3-DP2
QBE61.3-DP5
QBE61.3-DP10(sum of linearity, hysteresis, and reproducibility) <±1 % of measurement range
<±1 % of measurement range
<±0.5 % of measurement range
Respon time<5 ms
Max. overload on one side refer to “Type summary”" Nominal pressure (system pressure, connected
to both "+" and "−"PN 40
Bursting pressure 1.5 times the nominal pressure
Mediapants什么意思
Perm. temperature not oleiferous, neutral or slightly aggressive gas and liquids
−15...+80 °C (steam with water trap pipe)
Degree of protection of housing IP 54 to IEC 529 Safety class III to EN 60 730 Electrical connections
Connection terminals Cable gland no screws (WAGO), for max. 1.5 mm2 Pg 9
Pressure connections (externally threaded)G ½" Weight (incl. packing) 1.64 kg Perm. ambient temperature
Operation
Transport and storage Perm. ambient humidity −15...+80 °C (medium)
−15...+70 °C (electronics, terminals)−40...+80 °C
<90 % r. h. (non-condensing)
with the medium Sealing material Housing and cover Cable entry Mounting bracket Pressure connection Sensor stainless steel (1.4305), ceramics, copper, brass EPDM
plastic ABS, light-grey (RAL 7035)
PA glassfibre re-inforced, NBR (al)
stainless steel
brass
silicon-free
Product safety
1stAutomatic electrical controls for houhold
and similar u EN 60 730-1 Electromagnetic compatibility
建筑英文翻译Immunity
EN 50 082-2
Electromagnetic compatibility Low voltage directive 89/336/EEC 73/23/EEC
Environmental conditions
Materials and colours
Norms and standards
3/4
4/4
Connection diagram
G (+)Power supply AC 24 V or 33 V U (ä)Measured signal output 10 V M (0) G0/G −, measuring neutral
Note: the symbols in parenthesis correspond to the terminal marking on the terminal block
Dimensions (in mm)
1923M 01
114
6
G ½"
1243414
114
126
2
Pg 9
75
c a . 180
45
ø 13,5
Water trap pipe
1923M 02E
Legend
4 286 1652 0
ã2000 Siemens Building Technologies Ltd.Subject to technical alteration
