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EMA 200 Instruction Manual

8 Troubleshooting

Error description

Potential cause

Corrective action

display does not appear

dead battery

install new battery
use a 9V IEC 6 LR 61 battery

instrument returns false
values

zero point has shifted

battery is low

adjust zero point
(see section 4.4)

'Batt' appears in the display field,
i.e., replace battery

zero-point calibration
cannot be performed

defective pressure measurement
capsule

send the instrument to the
manufacturer for repair

Summary of Contents for EMA 200

Page 1: ...ssure Gauge halstrup walcher GmbH Stegener Stra e 10 D 79199 Kirchzarten Germany 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 Doc...

Page 2: ...ng the instrument on off 7 6 2 Display modes measurement hold max min 7 6 3 Changing pressure units 8 6 4 Zeroing key 8 6 5 Analogue output 9 7 Configuration 9 7 1 Setting units of pressure 9 7 2 Temp...

Page 3: ...out the lifecycle of the instrument It must be provided to any individuals who assume responsibility for operating the instrument at a later date It must include any supplementary materials provided b...

Page 4: ...the rating plate and in the Technical data section of this manual The instrument may only be handled as indicated in this manual Modifications to the instrument are prohibited The manufacturer is not...

Page 5: ...warns you of a potential hazard that could lead to bodily injury up to and including death if the corresponding instructions are not followed WARNING This warns you of a potential hazard that could le...

Page 6: ...ng units At its heart is a pressure measurement capsule with a beryllium bronze membrane spring which is displaced by the pressure difference between the two chambers of the measurement capsule Measur...

Page 7: ...onnect the and ports appropriately for measuring differential pressure 6 Operating the instrument The following sections explain how to operate the instrument correctly 6 1 Switching the instrument on...

Page 8: ...l use the new units until it is switched on off or until the next time the units are changed The units selected during configuration see section 7 are always set when the instrument is switched on 6 4...

Page 9: ...point key until ConF appears in the top line of the display After the operator releases this key the instrument launches the first item setting units of pressure To exit the configuration menu simply...

Page 10: ...pressing the and keys Briefly depressing the key will exit this mode If the flow rate display has been activated the menu for setting the density of the medium to be measured appears if not the next...

Page 11: ...ween 20 and 100 of the measurement range While operators may enter final pressures 20 doing so will decrease the DA resolution The bottom line of the display will show the code AnH Selects which digit...

Page 12: ...s an auto on off function that can be used to avoid consuming battery power unnecessarily This feature which can be toggled on and off will power down the instrument after 20 minutes if the pressure d...

Page 13: ...s parameter is used to reset the instrument to its default settings if desired The bottom line of the display will show the code rES Turns this function on yes or off no Turns this function on yes or...

Page 14: ...nstall new battery use a 9V IEC 6 LR 61 battery instrument returns false values zero point has shifted battery is low adjust zero point see section 4 4 Batt appears in the display field i e replace ba...

Page 15: ...in the meas range 3 place LCD for flow rate temp measurement resolution 1 C accuracy 1 C measurement range 0 60 C analogue output max output voltage 3 3V permissible load 2k temperature range storage...

Page 16: ...pressure changes by more than 2 of the final value or the operator presses a button Each time this happens the wait period is reset to 20 minutes Appendix A Parts in contact with measurement medium B...

Page 17: ...EMA 200 Instruction Manual 17 10 Drawings analogue output 3 5 mm jack...