OMEGA DPG280 Series Digital Pressure Gauge User Guide

OMEGA DPG280 Series Digital Pressure Gauge User Guide

Section 1 – Introduction

1.1 Precautions

• Please check the packaging and appearance after you received the product.
• Please check the mode and specification of the product. Keep correct electrical connection and mounting method.
• Please installation WITHOUT power.
• During using, please notice the technical and operation conditions: the temperature of medium, burst pressure, power supply.
• This product is a precision device, DO NOT use hard objects to touch the diaphragm or disassemble.
• During installation, do not install or disassemble strongly, especially the installation of thread.
• Please install or disassemble with a suitable wrench, otherwise, the damage is not in the scope of warranty.
• After starting the gauge, it is a normal phenomenon to take a few minutes to keep it stable and work normally.
• If the product is out of order, please contact our after-sale technical staff.
• During installation, the gauge will be affected by installation stress. After installation, please zero clearing.
  (!!)The product damage caused by non-professional operation according to the operation regulation is not the scope by the warranty.

The DPG280 is shipped with 2 AAA batteries outside of the unit. To install or replace batteries, first remove the four screws. Then remove the lid using a flat head screwdriver and the two pry slots (shown above), as needed.
CAUTION: Do not apply force to keypad area on the front of the unit when replacing the lid. Force should only be applied on the raised edges of the unit or areas that do not contain keypad buttons or the screen.
NOTE: Battery operating and storage temperatures can vary by manufacturer. The temperature rating of the replacement batteries you choose may limit the temperature to a narrower range than specified for the DPG509. Please consult the battery manufacturer for temperature limitations. Battery life will vary based on the quality of batteries installed and combination of selected settings. Below are general guidelines to maximize battery life:

• Keep the backlight off or rarely use
• Select a low sampling rate
• Avoid prolonged exposure to extreme temperatures

Section 2 – Setup

2.1 General Dimensions

Section 3 – Menu and Configuration

3.1 LCD and Code Description

3.2 Button Functionality

3.3 Adjust of Filter Constant

Short press ‘back-light’ and ‘ZERO’ buttons together, it shows ‘r-03′, and means the filter constant is 03. Then change the value through pressing ‘ZERO’ button, the value is between
01~10. After setting, press back-light button to save and quit.
Notice: The value smaller, the figure changes more quickly; the value bigger, the figure changes more slowly and the figure more stability.

3.4 Power

BATTERY        Two AAA battery

3.5 Data Record

1. On/off data record function After power, short press ‘ back-light’ button, then the ‘pressure unit sign’ begin to flicker, it means the data record function is open.
   Press ‘back-light’ button again, then the ‘pressure unit sign’ stop flickering, it means the data record function is closed.

2. Adjustment the record interval time Long press ‘back-light’button for 3 seconds till it shows ‘FXXXX’, such as ‘F0001′, it means the data record every one second. Through press ‘power’ and ‘zero’ buttons to
   change the value. Through press ‘back-light’ button to shift different position value. After setting, press ‘unit’ button to save and quit. The value range: (1~3600) seconds.

3. Date export First, please install the correct software on computer. Second, contact gauge with computer through special USB-line which is in the package box. Third, operation methods.

3.6 Peak Value

Long press ‘UNIT’ button for 4 seconds, the screen will show the Maximum value after last zero clearing, then press ‘UNIT’ button , it will show Minimum value, then press ‘ UNIT’ button to quit.
During show Max or Min value, long press ‘ZERO’ button to clear record before, and enter a new record.

3.7 Troubleshooting

1. Question: Back-light Dim Answer: Low Battery, install new battery
2. Question: Battery identification flashing Answer: Low Battery, install new battery
3. Question: Pressure no change

Answer: Reason Analysis:

1. Pressure port is block
2.  Zero clearing with pressure applied
3. Pressure sensor damage

Solutions:

1. Clear pressure connector
2. Zero clearing without pressure
3. Return factory for repair

4. Question: Showing ‘E–H’

Answer: Reason Analysis:

(1). Over pressure
(2). Pressure sensor is damaged

Solutions:

(1). Decrease pressure
(2). Return factory for repair

5.) Question: Pressure change slowly

Answer: Sampling rate low. Sampling rate value decrease

6.) Question: Pressure change slowly

Answer: Value is beating too fast. Sampling rate value increase

7.) Question: Frequent Pressure Shock

Answer: Add Buffer Tube

8.) Question: High Temperature

Answer: Add Radiator Tube

Section 4 – Software Instructions 4.1 Software

Instructions

1. Plugin the USB adaptor. Extract the software package to you desire folder. Click “Omega DPG280 DataCenter.exe” to start the application. “dot net Framework 4.8” should be install if the software cannot start. This installation has been placed in the drivers folder.
   

2. Click the “search” button to list the connected pressure gauge. See the “Driver install” section if no device found.

3. Select the unit and click “download” button to start the download process.
   

4. Drag the data chart to zoom in the curve, right click to zoom out.
   

5. Click the “Export” button to export the history data.
   

6. Click the “Clear” button to clear the history data in gauge.

ⅱ Diver install

1. Right click the “This computer” and select “manager”
2. Right click the exclamatory marked USB device and select “update driver”. Click “Browse this computer to find the driver”. Select the “/Drivers/CH341SER” folder and click “OK” to install the driver.
   \

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 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, indemnification, strict liability or otherwise, shall not exceed the purchase price of the component upon 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.

RETURN REQUESTS / INQUIRIES

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.

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