halstrup-walcher EMA 84 Instruction Manual
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EMA 84 Instruction Manual41 Safety precautions1.1 Appropriate useThe EMA 84 is a portable, battery-powered digital pressure gauge for measuringpositive and negative differential pressures. At the heart of this precision instrument isa pressure measurement capsule containing a membrane spring; the deflection ofthis spring is then ascertained via an inductive measurement principle. Because it isdurable and easy-to-use, the EMA 84 lends itself well to maintenance work andcustomer service applications for heating, air-conditioning and ventilation units, whereit can be used for monitoring filters, measuring fireplace drafts and wind pressure, etc.Its precision and reproducibility also make the EMA 84 is highly suitable for use inlaboratory applications.Always observe the operating requirements—particularly the permissible supplyvoltage—indicated on the rating plate and in the “Technical data” section of thismanual.The instrument may only be handled as indicated in this manual. Modifications to theinstrument are prohibited. The manufacturer is not liable for damages caused byimproper use or failure to follow these instructions. Violations of this type render allwarranty claims null and void.1.2 Shipping, assembly, electrical connections and start-upOnly technical personnel who are appropriately trained and authorized by theoperator of the facility may assemble the instrument and set up its electricalconnections.The instrument may only be operated by appropriately trained individuals who havebeen authorized by the operator of the facility.Specific safety precautions are given in individual sections of this manual.1.3 Troubleshooting, maintenance, repairs, disposalThe individual responsible for the electrical connections must be notified immediatelyif the instrument is damaged or if errors occur.This individual must take the instrument out of service until the error has beencorrected and ensure that it cannot be used unintentionally.This instrument requires no maintenance.Only the manufacturer may perform repairs that require the housing to be opened.The electronic components of the instrument contain environmentally hazardousmaterials and materials that can be reused. For this reason the instrument must berecycled in accordance with the environmental guidelines of the jurisdiction inquestion once it has been taken permanently out of service. |
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