Ashcroft ZT11 Manuale di istruzioni per l'installazione e la manutenzione - Pagina 3

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Installation and Maintenance Instructions
for ZT11 High Purity Transmitter
OUTLINE DRAWINGS: ZT11 VCR Type Fixed, M12
2
3
SPAN ADJUST
POTENTIOMETER
0.53
[13.5]
3.26
2.10
1.54
[82.7]
[53.3]
[39]
0.24
[6]
0.63
[16]

5. PRECAUTIONS FOR USE

5.1 Transportation Precautions

This is a precision measuring instrument.
m
Do not drop or impact when transporting as
CAUTION:
shock may cause damage and render the
instrument inoperable.

5.2 Unpacking Precautions

•Check packaging appearance prior to unpacking.
• Carefully handle and do not drop unit carton.
• Open instrument's sealed bag in a clean
m
environment. Do not expose Pressure
CAUTION:
Transmitter's gas contact parts to moisture,
dust, etc.
• Upon unpacking, inspect unit to verify that
the model type and physical appearance are
correct and free from damage.
• Contact distributor or Ashcroft if any
abnormality has been identified with the
product.
© Ashcroft Inc. 2020, 250 East Main Street, Stratford, CT 06614-5145, USA, Tel: 203-378-8281, Fax: 203-385-0357, www.ashcroft.com
All sales subject to standard terms and conditions of sale. ZT11_Transducer_im_RevA_(I&M011-10274)_04-03-20
1
4
ZERO ADJUST
POTENTIOMETER
Ø 1.00
M12X1
ELECTRICAL
CONNECTION
Ø 0.79
0.87 HEX
[22]
9
⁄
-18 UNF
16
5.3 Installation Precautions
(1) ZT11 pressure transmitter is equipped with a union
connection that is compatible with a VCR fitting. For
installation, make sure to use hexagonal flats to tighten
fitting. Do apply force to the unit enclosure when attached
to the pressure line.
(2) This product has protection class IP67 (connector mat-
ing state/JIS C 0920).
[25]
For longer-term operation, select a location that is not
0.18
[4.5]
exposed to direct sunlight, condensation, dust, oil or water. In
addition, please pay particular attention to the following during
installation.
• Do not drop or impact unit as shock may
[20]
render
• Do not install product in an environment
exposed to vibration, impact, direct sunlight
or dust.
• Use product in ambient temperatures
between
• Allow for space around the instrument for
maintenance and adjustment.
•
Do not touch or breath on gas contact
parts, while taking care not to damage the
seal surface.
m
CAUTION:
• Do not apply excessive force to the
enclosure during installation.
m
WARNING:
• Take care not to block the air inlet on the
top of the instrument (Refer to "5. Outline
drawings"). Unit will not provide prescribed
performance if the air inlet is obstructed/
blocked.
• Do not apply excessive force or excessive
bending to the cable once the connector
is attached to the product and the mating
connector.
• Snoop test of the sensor part should be
avoided as this may cause an insulation
resistance defect.
• Prior to commencing operation, it is
recommended to purge the unit with
sufficient inert gas. This will remove any
atmospheric component, particles, and/or
foreign matter within the pipe
unit inoperable.
-4° to 158°F (-20° to 70°C)
3