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AC/DC Powered
Digital Pressure Gauge
DPG101
INSTRUCTION
SHEET
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For latest product manuals: omegamanual.info
Introduction
DPG101 is an electronic digital
pressure gauge used to monitor
hydraulic fluids. It monitors the
pressure via the resistance measured
on an isolation membrane. The
output signal is amplified by a
high-precision, low-temperature drift
amplifier. The signal is then fed into
a high accuracy A/D converter for the
microprocessor to process and then
show on the LED display.
This flexible, simple to operate
digital pressure guage is safe,
reliable, and easy to debug. The
DPG101 is widely used in hydropower, water, petroleum, chemical,
mechanical, hydraulic, and other
industries.
Features
• High resolution, 4-digit LED
display
• 100mm standard gauge dial
• Stainless steel structure
• Parameter correction function
(adjust instrument zero and error
value)
Specifications
Note, if the fluid being measured
exceeds 80ºC, select the high
temperature accessory.
• Measuring Range
-0.1~0~100MPa
• Accuracy Range
±0.25% for gauge
pressure >5psi
±0.5% FS for all others
including absolute,
compound gauge, and
Vacuum ranges
• Overload Pressure
150%~200%
• Pressure Type
G/A
• Stability
≤0.1% FS per year
• Power Supply
220VAC
• Display
4 digits
• Screen Size
0.56”LED
• IP Rating
IP65
• Relative Humidity
≤90%
• Operating Temp
-30ºC ~ 80ºC
• Fluid Temp
-40ºC ~150ºC
• Thread Size
1/4 NPT Male
• Thread Material
SS316
Dimensions
Mechanical Installation
Install directly on the hydraulic pipe
line. Other size connectors can be
ordered. In high vibration / shock
environments, pressure pipe joints
can be mechanically decoupled
through the use of hoses.
NOTE: Vertical installation is required
when the measuring range is less
than 100kPA.
Electrical Installation
4-20mA wiring
1 (red): power+
2 (Blue): power-
Notes to prevent Interference
• Keep connection as short as
possible
• Use shielded wire
• Avoid direct access to the wiring
of the user’s device or devices
causing interference.
• When using mini hoses, ground
the shell separately
M5702/
1218
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omega.com [email protected]
Servicing North America:
U.S.A. Omega Engineering, Inc.
Headquarters: Toll-Free: 1-800-826-6342 (USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436 (USA & Canada only)
Tel: (203) 359-1660 Fax: (203) 359-7700
e-mail: [email protected]
For Other Locations Visit omega.com/worldwide
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it
contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, human applications.
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13
WARRANTY/DISCLAIMER
months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal
one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive
maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will
issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA,
if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply
to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing,
operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit
shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive
corrosion; or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not limited to
contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither
assumes responsibility for any omissions or errors nor assumes liability for any damages that result from
the use of its products in accordance with information provided by OMEGA, either verbal or written.
OMEGA warrants only that the parts manufactured by the company will be as specified and free of
defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER,
EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING
ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY
DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein are exclusive, and
the total liability of OMEGA with respect to this order, whether based on contract, warranty, negligence,
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which liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component”
under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on
humans. Should any Product(s) be used in or with any nuclear installation or activity, medical application, used on
humans, or misused in any way, OMEGA assumes no responsibility as set forth in our basic WARRANTY / DISCLAIMER
language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage
whatsoever arising out of the use of the Product(s) in such a manner.
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING
ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S
CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should
then be marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in
transit.
FOR WARRANTY RETURNS, please have the following
information available BEFORE contacting OMEGA:
1. Purchase Order number under which the product was
PURCHASED,
2. Model and serial number of the product under warranty,
and
3. Repair instructions and/or specific problems relative to the
product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our
customers the latest in technology and engineering. OMEGA is a trademark of OMEGA ENGINEERING, INC.
© Copyright 2018 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced,
translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior written consent of
OMEGA ENGINEERING, INC.
RETURN REQUESTS / INQUIRIES
FOR NON-WARRANTY REPAIRS,
repair charges. Have the following information available
BEFORE contacting OMEGA:
1. Purchase Order number to cover the COST of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems relative to the
product.
consult OMEGA for current
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