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17 

 

 Appendix B – Conversions and formulae 

 

 

 

 

ACCELERATION 

m/s² 

in/s² 

ft/s² 

0.102 

39.37 

3.281 

9.807 

386.1 

32.17 

0.0254 

0.00259 

0.08333 

0.3048 

0.03108 

12 

 

 

 

 

VELOCITY 

mm/s 

m/s 

in/s 

ft/s 

0.001 

0.03937  0.003281 

1000 

39.37 

3.281 

25.4 

0.0254 

0.08333 

304.8 

0.3048 

12 

 

 

 

 

DISPLACEMENT 

µm 

mm 

mils 

in 

0.001 

0.03937  0.0000394 

1000 

39.37 

0.03937 

0.0254  0.0000254 

0.001 

25400 

25.4 

1000 

 

 

 

 

FREQUENCY 

Hz 

CPS 

RPM 

CPM 

60 

60 

60 

60 

0.01667 

0.01667 

0.01667 

0.01667 

 

𝐀

=

𝐕

.

𝟐𝛑𝐅

 

=

𝐃

. (

𝟐𝛑𝐅

 

m/s²  m/s 

Hz 

 

𝐀

=

𝐕

.

𝟐𝛑𝐅

𝟏𝟎𝟎𝟎

 

=

𝐃

. (

𝟐𝛑𝐅

𝟏𝟎𝟎𝟎𝟎𝟎𝟎

 

m/s²  mm/s  µm 

Hz 

 

𝐀

=

𝐕

.

𝟐𝛑𝐅

𝟗𝟖𝟎𝟕

 

=

𝐃

. (

𝟐𝛑𝐅

𝟗𝟖𝟎𝟔𝟔𝟓𝟎

 

g  mm/s  µm 

Hz 

 

 

 

 

𝐕

=

𝐀

𝟐𝛑𝐅

 

=

𝐃

.

𝟐𝛑𝐅

 

m/s²  m/s 

Hz 

 

𝐕

=

𝟏𝟎𝟎𝟎

.

𝐀

𝟐𝛑𝐅

 

=

𝐃

.

𝟐𝛑𝐅

𝟏𝟎𝟎𝟎

 

m/s²  mm/s  µm 

Hz 

 

𝐕

=

𝟗𝟖𝟎𝟕

.

𝐀

𝟐𝛑𝐅

 

=

𝐃

.

𝟐𝛑𝐅

𝟏𝟎𝟎𝟎

 

g  mm/s  µm 

Hz 

 

 

 

 

𝐃

=

𝐀

(

𝟐𝛑𝐅

 

=

𝐕

𝟐𝛑𝐅

 

m/s²  m/s 

Hz 

 

𝐃

=

𝟏𝟎𝟎𝟎𝟎𝟎𝟎

.

𝐀

(

𝟐𝛑𝐅

 

=

𝟏𝟎𝟎𝟎

.

𝐕

𝟐𝛑𝐅

 

m/s²  mm/s  µm 

Hz 

 

𝐃

=

𝟗𝟖𝟎𝟔𝟔𝟓𝟎

.

𝐀

(

𝟐𝛑𝐅

 

=

𝟏𝟎𝟎𝟎

.

𝐕

𝟐𝛑𝐅

 

g  mm/s  µm 

Hz 

 

 

 

 

Where: 

A = Acceleration 

V = Velocity 

D = Displacement 

F = Frequency 

 

 

 

 

 

 

Waveform 

RMS value 

Crest factor 

Sine wave 

𝟏

√𝟐

≈ 𝟎

.

𝟕𝟎𝟕

 

√𝟐 ≈ 𝟏

.

𝟒𝟏𝟒

 

Triangle wave 

𝟏

√𝟑

≈ 𝟎

.

𝟓𝟕𝟕

 

√𝟑 ≈ 𝟏

.

𝟕𝟑𝟐

 

Sawtooth wave 

𝟏

√𝟑

≈ 𝟎

.

𝟓𝟕𝟕

 

√𝟑 ≈ 𝟏

.

𝟕𝟑𝟐

 

Square wave 

 

Where: Peak-peak = 1 

 

 

Summary of Contents for MTN/VM330D

Page 1: ...th PC link Monitran Ltd Monitor House 33 Hazlemere Road Penn Bucks UK HP10 8AD Telephone 44 0 1494 816569 E mail info monitran com Website www monitran com We reserve the right to alter specifications without prior notice HB084 1 Instruction Manual ...

Page 2: ... sensor 5 11 Measurement modes 6 12 Calculation modes 6 13 Memory recall mode 7 14 Settings menu 8 15 Setting the clock 8 16 Setting units 8 17 Setting low pass filter 9 18 Clearing memories 9 19 Setting ISO10816 group 9 20 ISO10816 10 21 PC connection 11 22 Physical 12 23 Specifications 13 24 Troubleshooting 15 25 After sales support 15 A Main operations 16 B Conversions and formulae 17 ...

Page 3: ...oblems of plant vibration monitoring providing an instant readout of the condition of bearings and rotating parts 2 Precautions Only use the unit as directed in this manual Protect the unit from shocks and extremes of temperature humidity and harsh environments such as high salt Use only a soft clean cloth Do not use solvents or harsh cleaning agents The unit contains no user serviceable parts Do ...

Page 4: ...2 4 Preparation for use Carefully remove the instrument from the transit packaging and ensure all accessories supplied agree with the delivery note Visually inspect for transit damage ...

Page 5: ...Power off Previous operating mode Value increase Next operating mode Value decrease Previous calculation mode Previous memory slot Next calculation mode Next memory slot Store value to memory slot Select parameter 6 Display ...

Page 6: ...y or in an environment where your full attention to your surroundings is required 8 Battery status Normal operation 100 50 25 10 Charging The meter will automatically turn off after 15 minutes of inactivity 5 minutes if sensor not connected 9 Charging the unit The supplied multi voltage charger comes with 4 adaptors and is suitable for use worldwide Connect the correct adaptor for your region plug...

Page 7: ...otating the connector to align the key Once in the correct position the connector will drop into the socket and the knurl can be tightened to hold the connector in place Do not overtighten Repeat this process to connect the sensor to the other end of the cable Notes The connection status icon see 6 Display will change accordingly No connection Cable connected Sensor connected Attach spike or magne...

Page 8: ... mode passes the vibration signal through a 1kHz 10kHz band pass filter to attenuate non bearing vibration found at lower frequencies and is used for more precise monitoring of bearings Display Calculation mode RMS Root mean square PK PK Peak to peak 0 PK Zero to peak B Bearing RMS Press to store the displayed value in the current memory slot The current memory number will automatically move to th...

Page 9: ... be the current memory slot for the next store It is possible to quickly clear all memory slots see 18 Clearing memories There are 100 memory slots in total The blue fields shown in the above figure are saved into memory Provided the unit is returned to Monitran for service the memories will remain intact even after battery replacement and calibration see 24 After Sales Support ...

Page 10: ...on twice to highlight CLOCK and press to enter clock mode Use buttons to set DAY MONTH YEAR HOUR MINUTE settings Press buttons to change between DAY MONTH YEAR HOUR MINUTE Press at any time to save and return to settings menu 16 Setting units Enter settings menu see 14 Settings menu Press to select UNITS Use buttons to choose between acceleration A velocity V displacement D Use buttons to select u...

Page 11: ...ll be unaffected 19 Setting ISO10816 group Enter settings menu see 14 Settings menu Press to select ISO10816 see 20 ISO10816 Use buttons to select group 1F 1R 2F 2R 1 1 2 2 Press to save and return to settings menu 1F ISO10816 3 Group 1 300kW 50MW flexible foundation 1R ISO10816 3 Group 1 300kW 50MW rigid foundation 2F ISO10816 3 Group 1 15kW 300kW flexible foundation 2R ISO10816 3 Group 1 15kw 30...

Page 12: ...tion 2R ISO10816 3 Group 1 15kw 300kW rigid foundation ISO10816 7 2009 Rotodynamic pumps for industrial applications including measurements on rotating shafts 1 ISO10816 7 Category 1 200kW 1 ISO10816 7 Category 1 200kW 2 ISO10816 7 Category 2 200kW 2 ISO10816 7 Category 2 200kW Sufficient severity to cause damage to the machine Restricted operation until remedial action can be taken Unrestricted l...

Page 13: ...cted 4 On meter navigate to SETTINGS menu 5 Navigate to DATA option and press OK 6 After 2 3 seconds status window will display Downloading To export all data Click Export Data all to export as csv file comma separated values CSV files can be opened and edited in MS Excel To export partial data Select data to export Click Export Data selection to export selected data only To sort data Click on hea...

Page 14: ...12 22 Physical All dimensions in mm unless stated otherwise ...

Page 15: ...foundation ISO10816 7 4 modes ISO10816 7 Category 1 200kW ISO10816 7 Category 1 200kW ISO10816 7 Category 2 200kW ISO10816 7 Category 2 200kW Visual indication of machine status Severe Restricted Unrestricted Good Frequency range Low pass filters Band pass filter 1kHz 5kHz 10kHz 1 10kHz Units Acceleration Velocity Displacement g m sec mm sec in sec µm mils Display Type Resolution Viewing angle Vie...

Page 16: ...status Battery icon indicates charging status battery level Dimensions Size L x W x H Weight meter only complete kit 130 x 78 x 28mm 0 215kg 1 427kg Accessories MTN VM330D MTN 2100 X MTN MM001 MTN PS002 MTN CA476 MTN CA477 MTN BT004 MTN HE016 MTN HB039 Vibration meter Probe Magnet 4 28UNF Spike Coiled sensor cable USB A to mini USB B cable Worldwide adaptor with 4 adaptors Carry case Handbook ...

Page 17: ...on 6 Restart software 25 After Sales Support Warranty All products are guaranteed against defects in materials and workmanship for a period of 24 months from the date of purchase In the event of failure within 24 months of the original purchase the Company will promptly repair or replace any defective products without charge This warranty is void if repair has been attempted by unauthorised person...

Page 18: ...16 Appendix A Main operations ...

Page 19: ...S RPM CPM 1 1 60 60 1 1 60 60 0 01667 0 01667 1 1 0 01667 0 01667 1 1 𝐀 𝐕 𝟐𝛑𝐅 𝐃 𝟐𝛑𝐅 m s m s m Hz 𝐀 𝐕 𝟐𝛑𝐅 𝟏𝟎𝟎𝟎 𝐃 𝟐𝛑𝐅 𝟏𝟎𝟎𝟎𝟎𝟎𝟎 m s mm s µm Hz 𝐀 𝐕 𝟐𝛑𝐅 𝟗𝟖𝟎𝟕 𝐃 𝟐𝛑𝐅 𝟗𝟖𝟎𝟔𝟔𝟓𝟎 g mm s µm Hz 𝐕 𝐀 𝟐𝛑𝐅 𝐃 𝟐𝛑𝐅 m s m s m Hz 𝐕 𝟏𝟎𝟎𝟎 𝐀 𝟐𝛑𝐅 𝐃 𝟐𝛑𝐅 𝟏𝟎𝟎𝟎 m s mm s µm Hz 𝐕 𝟗𝟖𝟎𝟕 𝐀 𝟐𝛑𝐅 𝐃 𝟐𝛑𝐅 𝟏𝟎𝟎𝟎 g mm s µm Hz 𝐃 𝐀 𝟐𝛑𝐅 𝐕 𝟐𝛑𝐅 m s m s m Hz 𝐃 𝟏𝟎𝟎𝟎𝟎𝟎𝟎 𝐀 𝟐𝛑𝐅 𝟏𝟎𝟎𝟎 𝐕 𝟐𝛑𝐅 m s mm s µm Hz 𝐃 𝟗𝟖𝟎𝟔𝟔𝟓𝟎 𝐀 𝟐𝛑𝐅 𝟏𝟎𝟎𝟎 𝐕 𝟐𝛑𝐅 g mm s µm Hz Where A A...

Page 20: ... Monitran Limited 2018 HB084 1 09 2018 Right of modification reserved ...

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