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BUSCH VacTest - User Manual

BUSCH VacTest
24 pages
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Instruction Manual
VACTEST
Vacuum Measurement Equipment
Digital Transmitter DCC 400
0870212178/-_en / Original instructions / Modifications reserved 16/09/2021

Questions and Answers

  • W
    williamsemilyAug 2, 2025
    Why am I getting a high measurement error with my BUSCH Measuring Instruments?
    • E
      Eric BarnesAug 2, 2025
      A high measurement error in your BUSCH Measuring Instruments could be due to several factors: contamination, ageing, extreme temperature, or maladjustment. You can try readjusting the unit or replacing the sensor. If the problem persists, send the unit in for repair.
  • P
    Paula WoodAug 13, 2025
    What to do if my BUSCH VacTest Measuring Instruments display shows "Err"?
    • D
      danieldavidsonAug 13, 2025
      If your BUSCH Measuring Instruments display shows "Err", it could be due to: * Adjustment done at wrong pressure: ensure the displayed pressure is >40 mbar for atmosphere adjustment or
  • M
    millerkevinAug 21, 2025
    What to do if my BUSCH VacTest Measuring Instruments show error message "Err1"?
    • E
      Erika JosephAug 22, 2025
      If your BUSCH Measuring Instruments show the error message "Err1", it indicates a defective sensor. You should send the unit for repair.

Summary

Safety

Installation Guide

Electrical Connections

USB;RS485 Converter Connection

I;O and Communication Port

Gauge Operation

Setpoint Configuration and Relay Control

Setting pressure thresholds to control relays.

Bake-out and Communication

Command Reference

Main Commands Overview for Gauge Parameters

Lists commands for device info, measurement, and settings.

Gauge Parameter Command Reference

Lists commands for degas, cathode control, and gas correction factors.

Ionization Sensor Control

Setpoint Relay Modes Configuration

Table of settings for relay modes.

Ionization Sensor Control and Mode Settings

Managing the ionization sensor's operation and mode.

Maintenance and Service

Cathode Control Logic Options

How to select voltage signal for sensor control.

Sensor Head Replacement

Sensor Head Replacement Procedure

Step-by-step instructions for replacing the sensor head.

Troubleshooting and Parts

Troubleshooting Common Problems

Solutions for measurement errors and communication issues.

Technical Data

Measurement and Electrical Specifications

Details on measuring range, uncertainty, and electrical interfaces.

Gas Correction Factors

BUSCH VacTest Specifications

General IconGeneral
BrandBUSCH
ModelVacTest
CategoryMeasuring Instruments
LanguageEnglish

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