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Summary of Contents for halstrup-walcher EMA 84
- Page 1 Instruction Manual EMA 84 Digital Pressure Gauge halstrup-walcher GmbH Stegener Straße 10 D-79199 Kirchzarten Phone: +49 (0) 76 61/39 63–0 Fax: +49 (0) 76 61/39 63–99 E-Mail: info@halstrup-walcher.com Internet: www.halstrup-walcher.com Document 7100.002564C 07/2017...
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Page 2: Table Of Contents
EMA 84 Instruction Manual Table of Contents 1 Safety precautions ........................4 1.1 Appropriate use ........................4 1.2 Shipping, assembly, electrical connections and start-up ........... 4 1.3 Troubleshooting, maintenance, repairs, disposal .............. 4 1.4 Symbols ..........................5 2 Instrument description ......................6 2.1 Features .......................... - Page 3 EMA 84 Instruction Manual Purpose of instruction manual This instruction manual describes the features of the EMA 84 digital pressure gauge and provides guidelines for its use. Improper use of this instrument or failure to follow these instructions may cause injury or equipment damage.
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Page 4: Safety Precautions
Its precision and reproducibility also make the EMA 84 is highly suitable for use in laboratory applications. -
Page 5: Symbols
EMA 84 Instruction Manual 1.4 Symbols The symbols given below are used throughout this manual to indicate instances when improper operation could result in the following hazards: WARNING! This warns you of a potential hazard that could lead to bodily injury up to and including death if the corresponding instructions are not followed. -
Page 6: Instrument Description
EMA 84 Instruction Manual Instrument description Features The EMA 84 is a battery-operated, digital precision pressure gauge for measuring overpressure, vacuum and differential pressure of non-aggressive gases. Operating range is 100 Pa to 100 kPa. Because it is robust, easy-to-use and includes an analog output, this instrument is especially suitable for maintenance, customer service and record-keeping for heating, ventilation and air-conditioning units. -
Page 7: Operating Elements
EMA 84 Instruction Manual Operating elements... -
Page 8: Start-Up
Pneumatic connections Connect the EMA 84 to the pressure source at the overpressure port (+) when measuring overpressure, at the vacuum port (-) when measuring vacuum pressure, or at both ports (making certain to connect the + and - ports appropriately) when measuring differential pressure. -
Page 9: Zero-Point Calibration
EMA 84 Instruction Manual Zero-point calibration The instrument has a built-in potentiometer for calibrating the zero-point, a procedure that must be carried out with the pressure ports and/or valves open before every measurement. This is accomplished by turning potentiometer dial B until the display reads 000. -
Page 10: Technical Data
EMA 84 Instruction Manual Technical data Measurement data measurement ranges 0...100 Pa 0...1 kPa 0...10 kPa 0...100 kPa overload capacity 10 x the final value of the measurement range (for measurement ranges 20 kPa) 2 x the final value of the measurement range (for measurement ranges >... -
Page 11: Dimension Drawings
EMA 84 Instruction Manual Dimension drawings 7100 002564C_EMA84.doc 01.02.2018 Ka/Me...
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