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TELEDYNE
HASTINGS
INSTRUMENTS
INSTRUCTION MANUAL
MODEL HPM 4/6
VACUUM GAUGE
ISO 9001
CER T IFIED
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Manual Print History The print history shown below lists the printing dates of all revisions and addenda created for this manual. The revision level letter increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between revisions, contain important change information that the user should incorporate immediately into the manual. Addenda are numbered sequentially. When a new revision is created, all addenda associated with the previous revision of the
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Table of Contents 1.0 QUICK START INSTRUCTIONS................................................................................................................... 4 2.0 SPECIFICATIONS ............................................................................................................................................ 5 3.0 INSTALLATION............................................................................................................................................... 6 3.1. R
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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 3. Slide switch to DV4 or DV6 position display. according to tube type 5. Slide switch to center/off position when not in use. Manual: 153-082010_HPM 4-6 Vacuum Gauge Page 4 of 12
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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 ..................................................................
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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
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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
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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 Page 8 of 12
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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 i
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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 positio
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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 Materia
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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 an
