mPower Electronics MUNI MP420, User Manual

Page 1: ...MUNI Multi Gas Detectors MP420 User s Guide Rev 1 02 October 2020...

Page 2: ...Exiting Configuration Mode 11 5 3 Navigating Configuration Mode to Edit Parameters 11 5 4 Calibration and Bump Testing 12 5 5 Sensor Enable Disable 16 5 6 Sensor Alarm Settings 16 5 7 Monitor Set up 1...

Page 3: ...RATIC READING MAY INDICATE A GAS CONCENTRATION BEYOND UPPER SCALE LIMIT WHICH MAY BE HAZARDOUS ATTENTION DES LECTURES SUP RIEURES A L CHELLE PEUVENT INDIQUER DES CONCENTRATIONS EXPLOSIVES TOUTE LECTUR...

Page 4: ...ons for Safe Use The MUNI multi gas detector must be calibrated if it does not pass a bump test when a new sensor has been installed or at least once every 180 days depending on use and sensor exposur...

Page 5: ...ining the user 1 1 Main Features Various models for basic confined space entry CSE compliance plus SO2 and HCN sensors Diffusion sampling Compact robust lightweight wearable Auto backlit LCD with larg...

Page 6: ...ommunication with mPower Suite configuration and data transfer software The mPower USB cable P N M011 3003 000 is required for a PC to recognize the instrument and communicate with mPower Suite 2 2 Ba...

Page 7: ...tal Display LCD six alarm LEDs one buzzer and one vibration alarm 3 1 Displays and Keys The LCD provides visual information that includes real time gas readings sensor types event log status battery s...

Page 8: ...brated no sensor is overdue for a bump test or calibration according to the intervals configured on the instrument Calibration overdue Bump overdue 3 1 2 Keys and Interface The MUNI has two keys These...

Page 9: ...NI alarms when the battery voltage is low and in other fault conditions Alarm Types and Priority Alarm Type Red LED Buzzer Vibrator Max Sensor Alarm Sensor response limit 3 Flashes sec 3 Beeps sec 1 V...

Page 10: ...is either not installed or turned off the display shows only the installed active sensors 4 4 Alarm Testing and Backlight Under normal operation mode and non alarm conditions the audible buzzer alarm...

Page 11: ...ation Gas and Measurement Gas and its Correction Factor are displayed these can be changed in mPower Suite The last display before returning to Real time readings is Comm Mode Pressing Left OK stops t...

Page 12: ...entered use the key to move the cursor among four digits and press OK to change the input 5 2 Exiting Configuration Mode To exit scroll through the main Configuration Mode Menu using the Right key unt...

Page 13: ...g the mPower Suite software see Section 6 1 When a calibration or bump is due a small icon is displayed next to the sensor name for Cal and for Bump as shown below Calibration is also required if The...

Page 14: ...ally methane but propane and pentane are also commonly used The measurement gas is also selected in mPower Suite Correction Factors CFs are calculated and automatically applied to make the display rea...

Page 15: ...LPM regulator range 0 3 1 0 LPM Press Left OK and wait for the 30 second count down timer and PASS or FAIL calibration result To abort press Right at any time during the count down Turn off the gas su...

Page 16: ...ue Move the cursor to the and press Left OK to save Repeat with other sensors as needed 5 4 2 4 Single and Multi Gas Bump Tests A bump test is a quick check if the sensors and alarms are functioning w...

Page 17: ...c alarm sub menu Scroll Right until the desired sensor is flashing and press Left OK to select the sensor alarm e g HI ALM 20 0 Press Right to highlight the desired digit and Left to change the alarm...

Page 18: ...ice Connected list Click on the S N to get the configuration file from the instrument Edit the configuration parameters as desired including those under the tabs for each sensor in the upper right Cli...

Page 19: ...th Backlight Automatic turns on automatically under dim light conditions and Manual requires the user initiation by pressing either the Left OK or Right keys Policy Check o Must Bump Cal locks the ins...

Page 20: ...ent Gas can be selected from a list of over 50 compounds for the Pellistor LEL sensor If Measurement and Cal Gas are different a correction factor is calculated and applied to make the sensor display...

Page 21: ...s always on and many files can be generated The event files will appear under the Datalog tab on the top of the screen Below is a sample screen of event log information listing event type readings and...

Page 22: ...Cal Bump Procedures For best results download the latest version of mPower Suite at https www mpowerinc com software downloads Further instructions will be included when the MuniDock becomes availabl...

Page 23: ...off the front cover 4 Sensors Carefully lift out each sensor to be inspected or replaced Install the replacement sensor Make sure the electrical contact pins are aligned with the holes in the PC boar...

Page 24: ...ite that buzzer and or other alarms are not turned off Call authorized service center Readings abnormally high or low or noisy Reasons Dirty or plugged filter or inlet Dirty or old sensor Excessive mo...

Page 25: ...MUNI User s Guide 24 10 Technical Specifications All specifications and listed sensors are subject to change without notice Please check for updates at www mpowerinc com...

Page 26: ...MUNI User s Guide 25 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...