vaetrix HTG Series User manual

Vaetrix HTG Series User Manual
•Table of Contents
Operation and Quick Start Guide 2-3
Safety 4
Admin 5-8
Alarms 9
Clock 11
Damping and Datalogging 12
Datalogging 13
Display 14-15
Leak Test and Min/Max 16
Sensor 17
Snapshot 18
Tare 19
Units and Temperature 20-21
Data Management Application 22-27
Specifications 28-31
Range Options 32-33
Model Configurator 33
Range and Resolution 35
Service and Warranty 36
•Introduction
Thank you for choosing the Vaetrix Test Gauge. Vaetrix is
engineered by individuals that have been in the process
control industry for well over twenty years. We take pride in
the fact that our products are designed and manufactured in
the USA. The gauge itself is backed by an industry leading
four-year warranty. Our products are designed and built to
take abuse. We would have it no other way.
The only way we can get better is by listening to you, the
customer. If you have any comments or suggestions feel free
to send us an email at [e-mail] or call at 888-797-
3740.
•Brief Overview
The gauge is powered by 3 AA alkaline batteries that provide
over 1000 hours of continuous use. To replace the batteries
just remove the screw located in the battery door or use a
coin for the HTGX Series. Communications for datalogging
and downloads is handed by USB. A standard USB to Micro B
cable will work for the HTG Series or A Standard USB to B for
the HTGX (printer-style cable). For further details on all
important measurement parameters consult the
specifications section in the manual.
1

Operation and Quick Start Guide
When the power key is pressed down the gauge enters the
boot-up sequence.
Gauge firmware revision, range, serial number, and contact
information will be displayed for two seconds.
Once complete the gauge is actively reading pressure and
temperature in Measure Mode.
There are two modes of operation:
(Measure)
The Measure Mode keys ZERO, UNITS, and SNAPSHOT are
active.
The backlight will automatically turn On with any key
press and remain on for 60 seconds. Backlight settings
can be changed in Program Mode under DISPLAY.
(Program)
Simply press and hold the DOWN arrow to access
Program Mode. Use the ARROW keys to navigate and
SELECT to confirm. The quick overview below shows you
all the available menu options.
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Operation and Quick Start Guide
MAIN MENU OPTIONS
ADMIN Control Features, Reduce Resolution, Adjust Calibration,
Restore Factory Calibration
ALARMS On/Off/Set High or Low
CLOCK Set Date, Time, Time Zone, and Format
DAMPING On/Off
DATALOGGING Start, Configure
DISPLAY Timeouts, Contrast, Refresh Interval, Color
LEAKTEST Start, Stop
MINMAX Reset
SENSOR Gauge or Absolute
SNAPSHOT View
TARE Live, Offset, Reset
TEMPERATURE Cel or Far
UNITS Lock, Scroll, Unlock
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Vaetrix HTG Series User Manual
•Safety
We use the International Electrical Symbols on our products
and in the manuals to alert users of key criteria that must be
followed when operating the product.
•Use a #2 phillips screwdriver when tightening the battery
door screws to prevent stripping and provide adequate
sealing.
•Use backup wrench on pressure sensor to install or
remove fitting.
•Gauge is not approved for use in hazardous locations.
•To clean the gauge, wipe down with damp cloth and small
amount of dish soap. Do not submerge the unit in water
at anytime.
•The RTD probe supplied with the product is designed to
measure temperature. Use a thermowell when
measuring temperature inside a pipe with live pressure to
ensure safety.
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Symbol Description
Power Off / Power On
Earth Ground
Warning, Risk of Danger or Damage
European Conformity
Hazardous Voltage
Battery Symbol
Wheelie Bin, Conforms to EC Directive
for Disposal

Vaetrix HTG Series User Manual
•Admin
In the Admin menu you have the ability to CONTROL
FEATURES, REDUCE RESOLUTION, ADJUST CALIBRATION, or
RESTORE FACTORY CAL. A password must be entered to gain
access to these features. The default password is 2017. Use
the ARROW keys enter in the value and press the SELECT
key.
•Admin -Control Features
The menu options in the gauge can locked out according to
your preferences.
SCROLL using the up or down ARROW keys to highlight the
options. Use the right or left ARROW keys to LOCK or
UNLOCK. The end user will enter password to UNLOCK.
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Vaetrix HTG Series User Manual
•Admin –Reduce Resolution
The least significant digit will removed from the display
when selecting REDUCE RESOLUTION. This feature can be
useful for recording values and pulsating pressure if
damping is not used. Full resolution can be restored by
entering back in Admin and selecting INCREASE
RESOLUTION.
•Admin –Adjust Calibration
We recommend calibration on an annual basis. Calibration
frequency should be determined by your quality system
based on history, usage, and other key criteria.
Although we suggest you return the HTG to factory for
calibration, you can field calibrate the unit with trained
personnel and equipment traceable to the National Institute
of Standards and Technology (NIST). To begin the process
select ADJUST CALIBRATION.
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Vaetrix HTG Series User Manual
•Admin –Adjust Calibration
The unit will prompt you to apply the high reference
pressure. We recommend that you are within 10% of the
high pressure reference setpoint. Enter in the known value
by using the ARROW keys to increase or decrease digits and
confirm with the SELECT key.
Follow the same steps for the low pressure reference
setpoint. Once again, we recommend you are with 10% of
the setpoint.
•Admin –Adjust Calibration
The unit will respond by with “Storing Calibration” and
return to Measure Mode.
Certain pressure ranges may have more than two pressure
reference setpoints. Follow the same procedure of entering
in the known value and confirming with SELECT key. Once
the calibration is complete verify the gauge is within
specification by the running the up and down scale
throughout range. Reference the original Certificate of
Calibration for cardinal points.
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Vaetrix HTG Series User Manual
•Admin –Restore Calibration
If you make a mistake during the calibration process or the
gauge is not within specification the factory defaults can be
restored. Navigate to RESTORE FACTORY CAL and press the
SELECT key. The unit will respond by with “Storing
Calibration” and return to Measure Mode.
Contact the factory if you are having any issues with
calibration.
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Vaetrix HTG Series User Manual
•Alarms
The HTG can be setup to indicate a Low and High Alarm.
Once the low or high value is reached the display or value
will turn red until the pressure changes. To adjust an alarm
select Low or High Alarm and then SET. To set the alarm
value use the right or left arrow keys to select the decimal
place and the up and down are keys increase or decrease
the value. Press SELECT to confirm the value and return to
the selection menu.
Once the alarm setpoint has been reached the high or low
alarm icon will show on the display and background color
will change to red to indicate an alarm status.
To disable an alarm, choose OFF and SELECT.
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Vaetrix HG Series User Manual
•Clock
A unique feature of the HTG is a real time operating clock
for data logging or recording events. The unit will keep time
even when the standard AA batteries are replaced. To set
the Date, Time, Time Zone (Daylight saving time), or Time
Format use the ARROW keys to highlight the choice and
press SELECT.
Make sure that gauge is set to match the PC to avoid any
synching issues with time when uploading or downloading
data.
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Vaetrix HTG Series User Manual
•Damping
Damping is designed to average out pulsating pressure and
smooth out the pressure signal so that it is readable on the
display.
•Datalogging
The test gauge has the capability to store up to 22000
pressure readings in up to 200 unique sessions in the
internal non-volatile memory. In datalogging mode, the
current sample rate and how many hours the gauge can
record before the memory is at capacity is shown. At Low
Battery Indication the unit will shut down the datalogging
feature.
To change settings select CONFIGURE. The sample rate can
be set from 1 second to 24 hours. Just use the arrows key to
desired value and press SELECT to confirm.
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Vaetrix HTG Series User Manual
•Datalogging
Datalogging can be setup to automatically start on an Alarm
condition as well. Simply choose START ON ALARM and
press SELECT. Datalogging will start based on either the High
or Low alarm setting and run at the defined interval from
that point forward. Clearing the alarm will not turn off
Datalogging.
DELETE ALL DATA will erase all the logged data on the unit.
Use the UP arrow key or HOME to escape.
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Vaetrix HTG Series User Manual
•Display
The HTG has an active graphics display that can be setup
based on your preferences.
Under TIMEOUTS the DISPLAY or LIGHT can be set to turn
off to conserve battery life. Intervals can be set anywhere
from ten seconds to thirty minutes of inactivity.
Just choose SET and press SELECT to define the interval. Use
the left or right arrow keys to move the cursor and up and
down arrow keys to set the value.
Press SELECT to confirm the value. The status in the menu
will change from INACTIVE to ACTIVE denoting the current
state.
Certain lighting conditions may require an adjustment to the
display contrast for optimum viewing. Use the Up and Down
arrow keys and bargraph indicator to set the contrast. Press
SELECT to confirm the setting.
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Vaetrix HTG Series User Manual
•Display
Certain lighting conditions may require an adjustment to the
display contrast for optimum viewing. Use the Up and Down
arrow keys and bargraph indicator to set the contrast. Press
SELECT to confirm the setting.
The refresh interval or how the graphics display is updated
can be set to the user’s preference. The default setting for
the gauge is REALTIME. This means the gauge updates up to
4 times a second depending on loading.
If a high update rate is not needed the interval can be
extended to conserve battery life. To adjust the refresh
intervals in seconds, use the Arrow Keys and press SELECT.
The interval can be set to a maximum of thirty seconds.
The display backlight color can be changed from Blue to
Green.
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Vaetrix HTG Series User Manual
•Leak Test
Pressure leak testing is used in many applications to verify
product or process integrity. Once Leak Test is selected from
the menu selection a test will start.
To stop the test at any time press right arrow to highlight
STOP. When the test is complete, the gauge will display the
leak rate in units/minute. In addition, the results with start
time and end time are displayed until the next test is
started. Minimum test time is 10 seconds. To start a new
test use the left arrow key.
•Min/Max
The HTG tracks the Maximum and Minimum pressure
readings from the time the unit powers on or the data was
last reset. MAX, MIN and LIVE pressure readings can be
viewed all on one screen. Just choose MINMAX from the
main menu and the following screen will appear. To reset
the values press the SELECT key.
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Vaetrix HTG Series User Manual
•Sensor
A unique feature that sets the HTG series apart from the
competition is the ability to display Absolute or Gauge
pressure from single unit.
Absolute pressure is referenced to a perfect vacuum so it’s
equal the sum of Gauge pressure and Atmospheric pressure.
Gauge pressure is always referenced to atmosphere. It is
always crucial to perform a zero before attempting a
calibration to eliminate any errors that may be caused by
fluctuating pressure or changing conditions.
Just make your choice and press the SELECT key. The
engineering unit chosen will be followed with A (absolute)
or G (gauge).
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Vaetrix HTG Series User Manual
•Snapshot
If you look carefully at the keypad on the HTG you will notice
a camera icon next to right arrow key. The snapshot feature
is a quick way to capture and record pressure readings while
in Measure Mode. Just press right arrow key and you will
notice the camera icon appearing for one second to note a
picture was taken with a date and time snap. Up to twenty
snapshots can be taken and stored. To view the pictures
select SNAPSHOT in program mode.
Use the Up and Down arrow to scroll through the readings.
The date and time is stored with each snapshot. Any new
snapshots taken will overwrite the oldest stored in memory.
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Vaetrix HTG Series User Manual
•Tare
The tare feature lets you deduct a pressure value from live
pressure. Applications where existing pressure can’t be
removed and must be accounted for are perfect for the tare
feature. For example, measuring level in tank based on
hydrostatic pressure using a dead leg.
Manual tare values can be set by selecting OFFSET.
Tare is indicated in Measure Mode when applied.
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Vaetrix HTG Series User Manual
•Units
There are twenty three selectable engineering unit available
to choose from. In Measure Mode, press the UNITS key and
use the ARROW keys to scroll through the options.
Press the UNITS key to accept the selection and the gauge
will return to Measure Mode.
If you would like to focus on a couple different engineering
units or prevent certain users from using an unapproved
choice for calibration, units can be locked or unlocked under
Units in Program Mode.
Use the right or left ARROW keys to highlight LOCK, SCROLL,
or UNLOCK. Use the up or down ARROW keys to either
LOCK, SCROLL, or UNLOCK the engineering units, depending
on which function is highlighted.
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