mensor DPG 2400 Operating Instructions

Operating Instructions

Digital Pressure Gauge

Digital Pressure Gauge DPG 2400 Series PN 0017460001R • 07/2013

DPG 2400

2 Operating Instructions DPG 2400 Series

Digital Pressure Gauge
DPG 2400 Series

Warning

!

This Warning symbol indicates that danger of injury for persons
and the environment and/or considerable damage (mortal danger,
danger of injury) will occur if the respective safety precautions are
not taken.

!

Caution

This Caution symbol indicates danger for the system and
material if the respective safety precautions are not taken.

This Notice symbol does not indicate safety notices but
information for a better understanding of the facts.

Operating Instructions DPG 2400 Series 3

Digital Pressure Gauge
DPG 2400 Series

Table of Contents

1. General Information 5

1.1 Warranty 5

1.2 Important Notice 5

1.3 Software License Agreement 6

1.4 Mensor Service Plus 6

1.4.1 After the Warranty 6

1.4.2 Calibration Services 6

1.4.3 Accreditations 6

2. Safety Notices 7

2.1 Warnings and Caution Notices 7

3. Product Description 9

3.1 General Description 9

3.2 Display 9

3.3 Power Supply 9

3.4 Serial In/Out Communications 9

4. Specifications 11

5. Installation 13

5.1 Unpacking the Instrument 13

5.2 Dimensions 14

5.3 Pressure Connections 15

5.4 Electrical Connections 16

5.5 Power On 16

6. Local Operation 17

6.1 Keypad 17

6.2 Standard Display 17

6.3 Menu Screens 18

6.3.1 Main Menu Screen 18

6.3.2 Password Entry Screen 20

6.3.3 Sensor Calibration Screen 20

6.3.4 Pressure Units Screens 22

6.4 Menu Tree 23

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Digital Pressure Gauge
DPG 2400 Series

7. Remote Operation 25

7.1 General 25

7.2 Communication Syntax 25

7.2.1 Password Protection 26

7.2.2 Response String Format 26

7.2.3 DPG 2400 Address 26

7.2.4 Wildcard Address Operator(*) 26

7.2.5 Commands and Queries 27

7.2.6 User Programmable Pressure Units 29

7.2.7 Pressure Units Codes and Conversions 30

8. Calibration 31

8.1 Environment 31

8.2 Equipment 31

8.3 Pressure Standard 33

8.4 Calibration Medium 33

8.5 Calibration Process 33

8.5.1 Zero Adjustment 33

8.5.2 Span Adjustment 34

Operating Instructions DPG 2400 Series 5

Digital Pressure Gauge
DPG 2400 Series

1. General Information

1.1 Warranty

All products manufactured by Mensor are warranted to be free of defects in workman­ship and materials for a period of one year from the date of shipment. No other express
warranty is given, and no affirmation of Seller, by words or actions, shall constitute a
warranty. SELLER DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABIL­ITY OR FITNESS FOR ANY PARTICULAR PURPOSES WHATSOEVER. If any defect in
workmanship or material should develop under conditions of normal use and service
within the warranty period, repairs will be made at no charge to the original purchaser,
upon delivery of the product(s) to the factory, shipping charges prepaid. If inspection
by Mensor or its authorized representative reveals that the product was damaged by
accident, alteration, misuse, abuse, faulty installation or other causes beyond the con­trol of Mensor, this warranty does not apply. The judgment of Mensor will be final as
to all matters concerning condition of the product, the cause and nature of a defect,
and the necessity or manner of repair. Service, repairs or disassembly of the product
in any manner, performed without specific factory permission, voids this warranty.

MENSOR MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS
MANUAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Mensor
shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use of this material.

1.2 Important Notice

The product specifications and other information contained in this manual are subject to
change without notice.

Mensor has made a concerted effort to provide complete and current information for the
proper use of the equipment. If there are questions regarding this manual or the proper
use of the equipment, contact Mensor at:

Mensor WIKA Alexander Wiegand SE & Co. KG
201 Barnes Drive Alexander-Wiegand-Straße 30
San Marcos, Tx 78666 D-63911 Klingenberg / Germany
Tel: [phone] Tel: [phone]

1.800.984.4200 (USA only) Web Site: www.wika.de
web site: www.mensor.com Fax: [phone]
fax: . [phone] E-Mail: [e-mail]
e-mail: [e-mail]
[e-mail]

6 Operating Instructions DPG 2400 Series

Digital Pressure Gauge
DPG 2400 Series

1.3 Software License Agreement

This product contains intellectual property, i.e., software programs, that are licensed for
use by the end user/customer (hereinafter “end user”).

This is not a sale of such intellectual property.

The end user shall not copy, disassemble or reverse compile the software program.

The software programs are provided to the end user “as is” without warranty
of any kind, either express or implied, including, but not limited to, warranties
of merchantability and fitness for a particular purpose. The entire risk of the
quality and performance of the software program is with the end user.

Mensor and its suppliers shall not be held to any liability for any damages
suffered or incurred by the end user (including, but not limited to, general, special,
consequential or incidental damages including damages for loss of business profits,
business interruption, loss of business information and the like), arising from or
in connection with the delivery, use or performance of the software program.

1.4 Mensor Service Plus

If you have problems and you don’t find the answer in this manual, contact Mensor at

1.800.984.4200 (USA only) or 1.512.396.4200 for personal assistance, or at any of the
contact addresses listed on the rear cover of this manual. We are ready to help.

1.4.1 After the Warranty

Mensor’s concern with the performance of this instrument is not limited to the warranty
period. We provide complete repair, calibration and certification services after the
warranty for a nominal fee.

1.4.2 Calibration Services

In addition to servicing our own products Mensor can perform a complete pressure
calibration service, up to 20,000 psi, for all of your pressure instruments. This service
includes an accredited calibration.

1.4.3 Accreditations

Mensor is registered to ISO 9001:2008. The calibration program at Mensor is accredited
by A2LA, as complying with both the ISO/IEC 17025:2005 and the ANSI/NCSL Z540-1­1994 standards.

Operating Instructions DPG 2400 Series 7

Digital Pressure Gauge
DPG 2400 Series

2. Safety Notices

2.1 Warnings and Caution Notices

Warning

!

WARNING: NOT EXPLOSION PROOF!
Installation of this instrument in an area requiring devices rated as
intrinsically safe is not recommended.

!

Caution

CAUTION: Some ranges require clean, non-corrosive pressure
media. See “Media Compatibility” in Section 4, Specifications. This
instrument is not designed for oxygen use.

!

Caution

CAUTION: Avoid excessive overpressure to the sensor!
Externally mounted relief valves to provide overpressure protection
are available from Mensor as optional devices.

!

Caution

CAUTION: Use of a power supply other than the one provided by
Mensor will invalidate the warranty.

CAUTION: ESD PROTECTION REQUIRED. The proper use of
grounded work surfaces and personal wrist straps are required
when coming into contact with exposed circuits (printed circuit
boards) to prevent static discharge to sensitive electronic
components.

Additional notices are found throughout this manual.

8 Operating Instructions DPG 2400 Series

Digital Pressure Gauge
DPG 2400 Series

Notes

Operating Instructions DPG 2400 Series 9

Digital Pressure Gauge
DPG 2400 Series

3. Product Description

3.1 General Description

The DPG 2400 is the lowest accuracy single-range pressure measuring instrument
available in the Mensor DPG family. With an uncertainty of 0.03% FS, and a small
package design, this unit is perfect for desk top monitoring of pressure changes and
for use in Production and Test environments. Temperature compensation from 15 to 45
degree C permits use in this temperature range without degradation of accuracy.

The unique design of the DPG 2400 has modest features and simple menu options. It
has a standard RS-232 serial output port that can be used for remote communications.
It can display measured pressure along with peaks or null. Other features are a mono­chrome LCD display, null capability, a single silicon sensor and it is powered by a wall
transformer.

Optional features include external dual differential relief valves, externally mounted relief
valves, RS-485 communications (100 ft cable length recommended), and a rack mount

kit.

3.2 Display

Several different display screens are presented while operating the DPG 2400. Each
screen is arranged into blocks of information, generally organized into columns and
rows. These screens are each described in further detail in Section 6, “Local Opera­tion”, and in Section 7, “Remote Operation”.

3.3 Power Supply

The power adapter is utilized to provide power to operate the DPG 2400. It produces 12
VDC @ 830 mA max.

3.4 Serial In/Out Communications

The serial port can be used to configure and calibrate the DPG 2400, or to read the out­put of its sensor. Depending on how your DPG 2400 was ordered, the instrument came
with either RS-232 or RS-485 serial port communications. Both are explained below.

The RS-232 serial port is configured as 9600 baud, 8 data bits, 1 stop bit and no parity.
It is designed as a 9-pin DCE device so that a straight pin to pin cable can be used to
connect it to a standard PC serial port.

10 Operating Instructions DPG 2400 Series

Digital Pressure Gauge
DPG 2400 Series

The RS-485 serial port is configured for 4-wire plus ground connections. The port
operates at 9600 baud, 8 data bits, 1 stop bit and no parity. The device address can
be changed using a remote command. When connecting several units in a multi-drop
configuration, it is recommended that the cable length be limited to 100 ft.

Wiring requirements are provided in Section 5.4, “Electrical Connections”, and a list of
valid commands and responses is provided in Section 7.2.5, “Commands and Queries”.

Operating Instructions DPG 2400 Series 11

Digital Pressure Gauge
DPG 2400 Series

4. Specifications

Accuracy specifications presented herein are obtained by comparison with primary
standards traceable to the National Institute of Standards and Technology (NIST).
These specifications are obtained in accordance with the ISO Guide to the Expression
of Uncertainty in Measurement (GUM). The calibration program at Mensor is accredited
by the American Association of Laboratory Accreditation (A2LA) as complying with both
the ISO/IEC 17025:2005 and the ANSI/NCSL Z540-1-1994 standards.

Mensor reserves the right to change specifications without notice.

Total Uncertainty Better than 0.03% FS for 180 days.

Calibration Interval 180 days

Pressure Ranges 7.5 to 6000 psia, 0.36 to 6000 psig.

Resolution 5 digits

Overpressure Limit 1.5X

Burst pressure Limit 3X up to 500 psig, 2X greater than 500 psig.

Compensated

Temperature Range

15 to 45ºC

Storage
Temperature Range

-20 ... 70ºC

Warm-up <1 minute

Reading Rate ~4.6 / second

Response Time <252 mS

Orientation Effects Negligible >30 psi, zero offset resettable with zero cal or null

function.

Communications RS-232 or RS-485 (100 ft cable length recommended) fixed at

9600 baud, no parity, 8 data bits, 1 stop bit.

Case size 2.6” H x 4.2” W x 4.9” D (see Section 5.2, Dimensions)

Weight <2 lbs.