TELEDYNE
HASTINGS
INSTRUMENTS
INSTRUCTION MANUAL
MODEL HPM 4/6
VACUUM GAUGE
I S O 9 0 0 1
C E R T I F I E D
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Table of Contents
1.0
2.0
3.0
QUICK START INSTRUCTIONS................................................................................................................... 4
SPECIFICATIONS ............................................................................................................................................ 5
INSTALLATION............................................................................................................................................... 6
3.1.
3.2.
3.3.
RECEIVING INSPECTION ................................................................................................................................. 6
VACUUM SENSOR (DV-4 OR DV-6 SERIES).................................................................................................... 6
BATTERY INSTALLATION ............................................................................................................................... 6
4.0
GENERAL INFORMATION............................................................................................................................ 7
4.1.
4.2.
SENSOR ELECTRICAL CONNECTOR ............................................................................................................... 7
PRESSURE MEASUREMENTS ........................................................................................................................... 7
5.0
CALIBRATION ................................................................................................................................................. 9
5.1.
5.2.
CALIBRATION IN A VACUUM SYSTEM ............................................................................................................ 9
CALIBRATION WITH A REFERENCE TUBE....................................................................................................... 9
6.0
6.1.
MAINTENANCE............................................................................................................................................. 11
AUTHORIZED MAINTENANCE ...................................................................................................................... 11
7.0
WARRANTY.................................................................................................................................................... 12
7.1.
7.2.
WARRANTY REPAIR POLICY......................................................................................................................... 12
NON-WARRANTY REPAIR POLICY................................................................................................................ 12
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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1.0 Quick Start Instructions
1. Unpack unit and insure battery is installed
2. Connect thermocouple tube.
4. Indicated pressure is displayed on LCD
display.
3. Slide switch to DV4 or DV6 position
according to tube type
5. Slide switch to center/off position when not
in use.
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2.0 Specifications
Operating Range....................................................................DV-4 - 0.01 - 20 Torr (.01 to 20 mbar)
........................................................................................... DV-6 - 0.001 – 1 Torr (.001 to 1.3 mbar)
Operating temperature ......................................................................................................-20 to 50°C
Digital Display ..................................................................................................................... 3 ½ Digit
Input Voltage................................................................................................................. 9 Volt Battery
Input Output ............................................................................................. 11mA @ 9 VDC (Battery)
HPM 4/6 Dimensions In (mm) ............................................................................. 5.91” (150 mm) x
........................................................................................................... 3.15” (80mm) x 1.18” (30mm)
Weight with Case-Lbs (kg).......................................................................................... 1.8 lbs (0.8 kg)
CE Compliance ........................................................................................... EN61326:1997, A1:1998
................................................................................................................................ A2:2001, A3:2003
Electromagnetic interferences (EMI) in the frequency range 80MHtz to 1000MHz at intensity levels of 3V/m may cause
the HPM-4/6 unit to display up to a 21% deviation from the correct reading.
Removing the source of the EMI or increasing the distance between the source and the HPM-4/6 will return the unit
to its normal operating condition.
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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3.0 Installation
3.1.Receiving Inspection
Unpack unit and inspect all items for obvious signs of damage. Immediately advise Teledyne
Hastings and the carrier of any suspected damage.
In the unlikely event that items need to be returned, first obtain an RMA (Return Material
Authorization) number from our Customer Service Department at 1-800-950-2468.
3.2.Vacuum Sensor (DV-4 or DV-6 series)
Figure 3-1 shows a typical Hastings thermocouple vacuum tube. A standard 1/8” npt male stem
is shown for illustration purposes only. If other type fittings are required, refer to Hastings product
bulletin, PB-100A, for availability of other fittings. Product bulletins and other technical
orientation however, the ideal installation is with the tube vertical and stem down. Install
thermocouple tubes observing standard shop practices.
Fig 3.1
3.3.Battery Installation
The battery cover is located on the bottom rear
of the HPM 4/6 Instrument. When the battery
requires replacing, it can be accessed by pressing in
on the battery cover release latch (the small slot on
the top edge of the cover) with a small object such as
a key or small screwdriver and then rotating cover
open. Plug 9-volt battery into battery connector
terminals. Place battery and cable into the battery
compartment. Reinstall battery cover by inserting
the bottom edge of the cover first and then closing
the cover until it snaps into the locked position.
Note: A low battery will be indicated by “LOBAT”
appearing in lower left corner of LCD display.
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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4.0 General Information
Operation of the Hastings gauge sensor (DV-4 or DV-6) is based on a low voltage AC bridge
that heats a noble metal thermopile. A change in pressure in the gauge tube alters the molecular
collision rate and therefore the thermal conduction of the gas or gas mixture surrounding the
thermopile. This causes a temperature shift in the AC heated thermocouples A and B (Fig. 3-1).
The resultant temperature shift causes a change in the DC output from couples A and B (which
varies inversely with pressure). Thermocouple C provides compensation for transient changes in
ambient temperature.
4.1.Sensor Electrical Connector
The thermocouple vacuum sensor tube interfaces with the HPM 4/6 Vacuum Gauge via the
octal connector. The Octal connector is “keyed” so that proper connection is assured. Always grip
the connector by its cover and not the cable when plugging or unplugging the connector.
Disconnecting gauge tube by pulling on the cable may result in damage to the octal socket
and/or cable.
4.2.Pressure Measurements
The HPM 4/6 is shipped from the factory fully calibrated, and will provide immediate and
accurate pressure measurements.
1. Plug octal socket on to DV4 or DV6 thermocouple tube.
2. Turn unit on by positioning the slide switch on the side on of instrument case to DV-4 or
DV-6 position as required depending on which thermocouple tube is being monitored. The
DV4 or DV6 switch position indicators are labeled on the bottom of the unit. Once the slide
switch is in the proper position, the display will indicate one of the following:
a. The correct pressure. (Value within range of sensor selected).
b. Pressure over range “1”, where the sensor is at a pressure greater than full scale or the
sensor not connected.
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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c. Pressure under range “-0.00 to -0.05” (negative display values) indicating that the
instrument requires low-pressure adjustment. Refer to Section 4.
3. Always place slide switch to the off position when not in use. This will help prolong the life of
the battery.
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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5.0 Calibration
5.1.Calibration in a Vacuum System
1
Install a DV-4 or DV-6 sensor in your vacuum system and evacuate vacuum chamber to a
pressure less than 1.00E-04 Torr.
NOTE: Refer to Fig 3 for locations of calibration pots. Adjust only the pot that
corresponds to the particular type of sensor tube installed (DV4 or DV6).
2
DV-4 or DV6 zero adjustment pot:
a. Remove battery compartment cover.
b. Adjust DV-4 or DV6 (as required for particular type of tube installed) calibration pot, until
display reads 0.00.
3
4
The HPM4/6 is now calibrated. Slide switch to OFF position and disconnect gauge cable from
sensor.
Re-Install battery compartment cover.
5.2.Calibration with a Reference Tube
NOTE: Refer to Fig 3 for locations of calibration pots. Adjust only the pot that
corresponds to the particular type of sensor tube installed (DV4 or DV6).
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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1
DV-4 low pressure adjustments:
a. Connect instrument gauge cable to a DB-16D Reference Tube and position slide switch to
DV-4.
b. Remove battery compartment cover, and then adjust DV-4 calibration pot until display reads
pressure value listed on reference tube label.
c. Set slide switch to OFF position and disconnect gauge cable from sensor.
d. Reinstall battery compartment cover.
2
DV-6 low pressure adjustment:
a. Connect instrument gauge cable to a DB-20 Reference Tube and position slide switch to
DV-6.
b. Remove battery compartment cover, and then adjust DV-6 calibration pot until display reads
pressure value listed on reference tube label.
c. Slide switch to OFF position and disconnect gauge cable from sensor.
d. Reinstall battery compartment cover.
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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6.0 Maintenance
6.1.Authorized Maintenance
The HPM 4/6 Power Supply/Display does not require maintenance other than routine battery
replacement and calibration.
Note: A low battery will be indicated by “LOBAT” appearing in lower left corner of LCD
display.
In the unlikely event that the HPM4/6 fails or is damaged, only qualified Teledyne Hastings
personnel should attempt repair. If the HPM4/6 should require service, the unit may be returned by
first obtaining an RMA (Return Material Authorization) number from our Customer Service
Department at 1-800-950-2468.
Refer to Section 7 last page.
Instrument repair should only be performed by Teledyne Hastings service technicians.
Contact with harsh solvents and chemicals to any plastic parts of the HPM 4/6 Vacuum
Gauge can damage the unit and may void the warranty.
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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7.0 Warranty
7.1.Warranty Repair Policy
Hastings Instruments warrants this product for a period of one year from the date of shipment
to be free from defects in material and workmanship. This warranty does not apply to defects or
failures resulting from unauthorized modification, misuse or mishandling of the product. This
warranty does not apply to batteries or other expendable parts, nor to damage caused by leaking
batteries or any similar occurrence. This warranty does not apply to any instrument which has had a
tamper seal removed or broken.
This warranty is in lieu of all other warranties, expressed or implied, including any implied
warranty as to fitness for a particular use. Hastings Instruments shall not be liable for any indirect or
consequential damages.
Hastings Instruments, will, at its option, repair, replace or refund the selling price of the product
if Hastings Instruments determines, in good faith, that it is defective in materials or workmanship
during the warranty period. Defective instruments should be returned to Hastings Instruments,
shipment prepaid, together with a written statement of the problem and a Return Material
Authorization (RMA) number. Please consult the factory for your RMA number before returning
any product for repair. Collect freight will not be accepted.
7.2. Non-Warranty Repair Policy
Any product returned for a non-warranty repair must be accompanied by a purchase order,
RMA form and a written description of the problem with the instrument. If the repair cost is higher,
you will be contacted for authorization before we proceed with any repairs. If you then choose not to
have the product repaired, a minimum will be charged to cover the processing and inspection. Please
consult the factory for your RMA number before returning any product repair.
TELEDYNE HASTINGS INSTRUMENTS
804 NEWCOMBE AVENUE
HAMPTON, VIRGINIA 23669 U.S.A.
ATTENTION: REPAIR DEPARTMENT
TELEPHONE
(757) 723-6531
1-800-950-2468
FAX
(757) 723-3925
E MAIL
mailto:[email protected]
INTERNET ADDRESS
Repair Forms may be obtained from the “Information Request” section of the Hastings
Instruments
Manual: 153-082010_HPM 4-6 Vacuum Gauge
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