mPower Electronics M008-0001-000 User Manual Download Page 1 | Manualshive

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VOXI

Fixed Photo-ionization Detectors

MP812 & MP815

User’s Guide

Rev 0.4

October, 2019

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Summary of Contents for M008-0001-000

Page 1: ...VOXI Fixed Photo ionization Detectors MP812 MP815 User s Guide Rev 0 4 October 2019...

Page 2: ...peration Overview 11 5 Controller Operations 11 5 1 Hardware and Software Requirements 11 5 2 Connecting the VOXI to the Controller Mobile Device 12 5 3 Operation Shortcut Buttons and Overview 12 5 4...

Page 3: ...e only mPower s sensor and accessories Substitution of components will impair suitability for intrinsic safety and void warranty The instrument should be calibrated after installation before initial u...

Page 4: ...ontroller Options include real time remote monitoring with a built in wireless modem using mPower Suite application software 1 1 Key Features VOC emissions monitoring using innovative PID for performa...

Page 5: ...ers are programmed using the mPower Suite mobile App on a smart phone or tablet Status LED Low Alarm LED High Alarm LED Power Supply Alarm and Data Output Wires Electrical Ground Connector Secondary F...

Page 6: ...unting 3 1 1 Mounting Location For safety and ease of maintenance the VOXI should be installed in a non hazardous gas location 1 Extension tubing of up to 100 feet 30 m can be attached to the inlet to...

Page 7: ...unit to be offset about 1 cm from the wall or pole 3 2 Rain Cap If mounted outdoors the rain cap can be installed to further reduce the chance of precipitation ingress This cap also allows connection...

Page 8: ...sembly to release and then lift it out Unplug the three terminal block plugs on the PC board The schematic below shows the internal wiring connections Insert the wire through the conduit hole and conn...

Page 9: ...cted and errors must be set as a result In RTU mode message frames are separated by a silent interval of at least 3 5 character times In the following sections this time interval is called t3 5 RTU Me...

Page 10: ...t be adjusted by the user Other operating parameters are set with the controller 5 Controller Operations 5 1 Hardware and Software Requirements An external mobile phone or tablet is required as a cont...

Page 11: ...Buttons and Overview From the Active Device panel click the shortcut buttons in the panel immediately below the instrument icon to execute some frequent operations without going into detailed operatio...

Page 12: ...VOXI operations include Field Service Settings and Operations Log The App automatically enters the Field Service screen 5 4 Field Service Calibration etc VOXI field services include Calibration Pump s...

Page 13: ...om a gas bag e g Tedlar bag filled to at least 1 liter or directly from a gas cylinder fitted with either a demand flow regulator or a fixed flow regulator of about 0 5 LPM 4 The Zero or Span Calibrat...

Page 14: ...during the field installation the VOXI analog output baseline should be adjusted Click the button under 4 mA to set the output Click the increase and or decrease buttons to adjust and send to the VOX...

Page 15: ...ncentration Measurement gas type Measurement concentration unit Modbus ID Wireless baud rate NOTE Firmware cannot be updated by the user From the main screen bottom panel click on the Settings icon an...

Page 16: ...VOXI User s Guide 17 5 6 View Operations Log Click Operations and select the date from the list at the bottom to view the daily operation log...

Page 17: ...re frequently possibly daily when used under very dusty or wet conditions IMPORTANT The VOXI should not be operated without a filter Operation without a filter may damage the instrument and shorten th...

Page 18: ...e lamp Insert a new lamp or clean the existing lamp as described below 3 Use a cotton swab wetted with methanol to clean the flat window surface of the lamp If greasy dirt is hard to remove using meth...

Page 19: ...ver it with pure methanol or ethanol 3 Put the beaker into an ultrasonic cleaning bath and sonicate for 15 minutes Take out sensor and dry it preferably using a gentle stream of clean air to blow the...

Page 20: ...robe blocked Direct connection to calibration gas outlet before the regulator is opened External filter plugged with dirt or liquid Water condensed in the internal gas distribution lines Bad pump or p...

Page 21: ...VOXI User s Guide 22 8 Technical Specifications All specifications are subject to change without notice Please check for updates at www mpowerinc com...

Page 22: ...VOXI User s Guide 23 Technical Support and mPower Contacts mPower Electronics Inc 3046 Scott Blvd Santa Clara CA 95054 Phone 408 320 1266 Fax 669 342 7077 info mpowerinc com www mpowerinc com...

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