USER’S GUIDE INSTRUCTION MANUAL PRESSURE TRANSMITTER

USER’S GUIDE
INSTRUCTION MANUAL
For
PRESSURE TRANSMITTER
Model : EQ-PT 1000
NQA
QSR
JAS-ANZ
Registration No.
S I 9 1 0 7 9 9 I N
HALLMARK OF EXCELLENCE
ISO 9001-2000
C E RT I F I E D
HTA INSTRUMENTATION PVT LTD.
NO.73, Ramachandra Agrahara, Near T. R. Mills,
Chamarajpet, Bangalore-560 018, India
TEL: 080-26749750, 26759253 FAX: 080-26740681,
E-mail: hitechas@eth.net, Web: www.htaipl.com
Doc no: HTAIPL/MAN/TRANS-10
Page 1 of 6
OPERATING AND INSTRUCTION MANUAL
for
PRESSURE TRANSMITTER
Þ
Introduction :
The stainless steel pressure port make the sensors
resistant to aggressive media such as Oil, Fuel, Diesel,
waste water and other aggressive liquids. The sensors are
factory calibrated using the state-of-the-art, highly
productive electronic trimming technology.
Þ
Specifications :
•
Measuring Range
Refer Table - A
•
Overload Pressure
1.5 Times the rated value
•
Output Signal
4 to 20 mA
•
Supply Voltage
9 to 30 V DC
•
Accuracy
± 0.5% F. S.
•
Long-term Stability
± 0.2 %/F.S./Year
•
Overload Resistance
50 (V - 12)W
•
Temp. Coefficient
£ 1×0.0001°C • F. S.
•
Response Time
10ms
•
Compensated Temp.
-10 ~ 70°C
•
Span & full scale Adjustment ±5% by two trimmers
Doc no: HTAIPL/MAN/TRANS-10
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WIRING DIAGRAM
for
PRESSURE TRANSMITTER WITH DIN CONNECTOR
Dimensions and Application Circuit
•
Protection
IP 65
•
Weight
Approx. 165 g.
46mm
20mm
105mm
Mechanical Properties Ceramic
EQ-PT1000
10mm
Fig.-1
•
Wetted parts
Ceramic
•
Body
Stainless Steel
•
Fixing Spanner
27mm
•
Mounting orientation
Any Direction
¼" BSP
Male Thread
Wiring Diagram for Pressure Transmitter
Operating Conditions
Model : EQ-PT1000
INDICATOR
+
–
2
1
PIN 2 (–)
•
Operating Temperature range
-40…125°C
•
Storage Temperature range
-20…50°C
•
Humidity
95% RH
3
PIN 1 (+)
Fig.-2
–
+
24VDC Power
Supply
Doc no: HTAIPL/MAN/TRANS-10
Page 6 of 6
Doc no: HTAIPL/MAN/TRANS-10
Page 3 of 6
Þ
Installation :
<
The EQ-PT1000 Pressure Transmitter can be installed in any
Position. Ensure leak proof port fitting with help of Teflon®
tape if necessary. Open the DIN Female Connector & wire
up the electrical Connection as given in Fig.-2, Page 6/6.
Þ
Precautions :
<
Water hammer is an impact load that is the most
misunderstood force known to pressure transducers
today. A water hammer is created by stopping and/or
starting a liquid flow suddenly. The results of a water
hammer or impulse load are devastating to a pressure
sensor. The impulse load occurs suddenly, in the
millisecond time frame, but the effects of it lasts a life
time. Water hammers occur in almost all pressure systems
A simple solution to this devastating effect is to protect
each sensor with a pressure snubber.
<
Snubbers are low cost items that will ensure that this
hammer effect will not render your costly sensor useless.
All pressure sensors should utilize snubbers for all
installations.
<
A snubber will not
Pressure Transducer
<
Snubbers stop spikes only. An over pressure will not be
stopped by a snubber. A spike lasts only to the order of
milliseconds; any over pressure for more than that time
will damage the sensor.
<
Never apply Pressure more than the rated range .
<
There is no Warranty for the diaphragm Damage caused
due to over pressure & surges.
Table - A
Order Code
Operating
Range
EQ - PT 1000 – 1
0 to 2 bar
EQ - PT 1000 – 2
0 to 6 bar
EQ - PT 1000 – 3
0 to 10 bar
EQ - PT 1000 – 4
0 to 16 bar
EQ - PT 1000 – 5
0 to 25 bar
EQ - PT 1000 – 6
0 to 40 bar
EQ - PT 1000 – 7
0 to 100 bar
EQ - PT 1000 – 8
0 to 250 bar
EQ - PT 1000 – 9
0 to 400 bar
EQ - PT 1000 – A
0 to 600 bar
Low Range
High Range
Doc no: HTAIPL/MAN/TRANS-10
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affect the Response Time of
Doc no: HTAIPL/MAN/TRANS-10
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