User`s Manual US300PM Ultrasonic Flowmeter
Contents
1. halal US300PM Manual Change Ultrasonic Flowmeter ALOE E This is the supplement for the original manual No IM 01G05B02 01E 1st Edition regarding the added and changed items as below Please also refer to this supplement when you read the manual Addition to the chapter 2 Handling Precautions page 7 Attention The instrument must not be used in a corrosive atmosphere Addition to the section 2 3 General Precautions page 8 The power supply adapter and the AC cable are dedicated to US300PM Please do not use them with other devices Addition to the chapter 4 Getting Started page 15 Attention The current outputs may temporarily turn unstable during the switch on sequence and parameter display setting mode Take care of your process not to be affected by this behavior Addition to the section 4 2 1 Key Operations page 16 and related pages Refer to the following table for the function of corresponding key operations The correct explanations for these key operations in the related pages are also as the table below Related pages 16 2 US300PM doesn t react anymore page 113 BRK nr C ENTER Operation during the measurement or menu display RESET RESET Press these three keys simultaneously to recover from an error This has the same effect as restarting the unit Data will not be affected INIT cold start Press these three keys simultaneously and release ENTER first2. After acknowledging the display of main menu release i BRK key first and then ii C key This will initialize the instrument Most parameters and settings are reset to the factory default values The memory will not be cleared Note that when the data logging function is activated the DELETE MEAS VAL display will appear instead of main menu In this case after releasing i BRK key first and then ii C key select No or YES and then press ENTER to finish the procedure Operation when powering the instrument on INIT coldstart Pressing these two keys simultaneously and after acknowledging the display of main menu release i BRK first and then ii C This will initialize the instrument Most parameters and settings are reset to the factory default values The same procedure is required as above when the DELETE MEAS VAL display appears YOKOGAWA Manual Change for IM 01G05B02 01E 1st Edition No 13 O006E July 25 2013 00 Yokogawa Electric Corporation 1 3 Addition to the section 5 6 Selection of the Sound Path Factor page 30 When you select auto for Sound Path described at the section 11 2 Settings for Dialogues and Menus the setting for the sound path factor will be automatic In this case Reflection Mod display will appear and you can select either Diagonal Mode by no or Reflection Mode by yes A Reflection Mod no gt YES l
3. EY p 5 Australia and AC cable 6 South Africa Mounting fixture C Retaining clip type set of two clips Manual Change for IM 01G05B02 01E 1st Edition No 13 O006E July 25 2013 00 3 3
4. played Addition to the section 11 2 Settings for Dialogues and Menus page 72 Sound Path setting appears next to Meas Point No and you can select auto or user When you select auto the setting for the sound path factor will be automatic Sound Path auto gt USER lt Manual Change for IM 01G05B02 01E 1st Edition No 13 O006E July 25 2013 00 2 3 Changes to the section 11 6 Charging the Battery page 77 Change The chargeable NiCd batteries guarantee an operating time of approximately 14 hours to The chargeable NiCd batteries guarantee an operating time of approximately 10 hours at room temperature 20 C 68 F with full charge Addition to the section 15 5 Activation of a Pulse Output page 101 Maximum pulse output rate is 2 pulse per second 20 Set the Pulse Value and the Pulse Width so that the actual maximum flow in the pipe is less than half the displayed value Max Value Example The actual maximum flow 120m h Pulse Value 0 02m Pulse Width 150ms INFO Max Value 240 0m h Attention Rew It is necessary to activate flow totalizers by pressing key 8 to get the actual pulse output Refer to the section 7 2 for flow totalizers Addition to the chapter A Standard Specifications page 121 The following suffix codes are added p s noi Adani 4 United Kingdom ower Su apter P
5. t Addition to the section 5 6 Selection of the Sound Path Factor page 30 When the pipe outer diameter is more than 600mm the sound path factor as 1 one is recommended Otherwise the measurement may become unstable when flow velocity or fluid temperature changed Addition to the section 5 7 2 Mounting of the Transducers page 31 The pipe wall thickness may slightly vary from part to part Check it in advance by applying a wall thickness probe or some other ways and avoid mounting the transducers on such parts Addition to the section 5 7 2 4 Mounting with Fixtures page 32 Attention When using mounting fixtures there may arise some air gap between the transducer surface and pipe wall because of any distortion of the pipe wall Make sure to avoid having such air gap between them Addition to the section 6 1 Selection of the Physical Quantity and of the Unit of Measurement page 37 Attention In case of mass flow select Other Medium as a measured fluid When Other Medium has been selected US300PM requests to enter the density which is used to calculate mass flow Changes to the section 7 2 Flow Totalizers page 41 Two of the key operations have been changed as below Aas To reset the two flow totalizers to zero Press key 8 three times when a totalizer is displayed 2 To deactivate flow totalizing Press key lt 2 three times when a totalizer is dis
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