The POLI MP400 is a basic 4-gas detector for worker safety in hazardous locations, with sensors for oxygen (O2),
combustibles (LEL), carbon monoxide (CO) and hydrogen sulfide (H2S). A hydrogen cyanide (HCN) version
(LEL/O2/CO/HCN) is a low-cost monitor for firefighters. The MP400 is designed to be extremely rugged with a ro-
bust housing and gas sampling by diffusion for no moving parts. The simple, 2-button operation results in ultimate
ease of use and significantly reduced time spent training the user. The rechargeable Li-ion battery pack lasts 16
hours or more in typical use, and the unique Man-Down alarm feature notifies nearby workers if the user becomes
incapacitated.
Features, Functions and Benefits
• Diffusion sampling
• Battery operation 16 hours
• Durable double shot outer case
• 360-Degree LED alarm bar
• Man-Down alarm
• USB Micro charger & communications cable
• Flip screen
• Integrated calibration cup
• Smart sensors carry ID and calibration
• 6 Months continuous datalogging
• Modular design
Multi-Gas Monitors
Ver 1.1
1-866-mPower7
MP400
Santa Clara • Houston • Shanghai • www.mpowerinc.com • HQ Office: (408) 320-1266 • 1-866-mPower7
Specifications
Detector Specifications
Size 5.74 x 3.31 x 1.65 in (140 x 84 x 42 mm)
Weight 13.5 oz (384 g)
Sensors • Electrochemical for O2, CO, H2S and HCN • Pellistor for LEL
Response time (t90)
• 15 seconds (LEL/CO/H2S/O2) • 60 seconds (HCN)
Battery Rechargeable Li-ion pack: ≥16 hours
Direct Readout
• Real-time reading of gas concentration • visual compliance indicator • battery status • datalogging on/off • STEL, TWA, peak and minimum values • Man-Down alarm on/off
Display 128 x 128 graphical LCD, 1.77 x 1.73 in (45 x 44 mm), with LED backlight for enhanced display readability. Automatic screen “flip” feature
Keypad 2 Operation keys
Calibration Manual calibration. CaliCase option allows auto-matic bump test and calibration on up to 4 units simultaneously
Alarms • Audible (95 dB @ 30 cm) • Visual (flashing bright red LEDs) • Vibration • On-screen indication of alarm conditions • Man-Down alarm
Datalogging Continuous datalogging (6 months for 4 sensors at 1 minute intervals, 24 hours/day and 7 days/week)
Charging and Communica-tion
Charging, data download, instrument setup and firmware upgrades on PC or laptop via PC comm, cradle, travel charger, or CaliCase
Temperature -4° to 122°F (-20° to 50°C)
Humidity 0% to 95% Relative humidity (non-condensing)
IP Rating IP-67
EMC/RFI EMC directive: 2014/30/EU
Safety Certifications
Class I, Div 1, Group ABCD T4, -20°C ≤ Tamb ≤ +50°C
IECEx Ex ia IIC T4 Ga II 1G Ex ia IIC T4 Ga (pending) European Conformity (pending)
Warranty 2 Years including sensors
Ordering Information
Version Sensor/Range Part No.
4-Gas
LEL 0.1 - 100% O2 0.1 - 30% CO 1 - 1000 ppm H2S 0.1 - 100 ppm
M004-0001-000
4-Gas
LEL 0.1 - 100% O2 0.1 - 30% CO 1 - 1000 ppm HCN 1 - 100 ppm
M004-0027-000
3-Gas LEL 0.1 - 100% O2 0.1 - 30% H2S 0.1 - 100 ppm
M004-0002-000
2-Gas LEL 0.1 - 100% O2 0.1 - 30%
M004-0005-000
1-Gas LEL 0.1 - 100% M004-0009-000
* Due to ongoing research and product improvement, specifications are subject to change without notice *
Distributed By:
The POLI multi-gas meters offer 4- or 5-gas monitoring of toxic gases, oxygen (O2), combustibles (LEL), carbon
dioxide (CO2) and volatile organic compounds (VOCs). The POLI MP400P is an advanced model with built-in
pump that allows a full selection of sensors for a wide range of applications, including Confined Space Entry, while
the POLI MP400 is a basic, 4-gas diffusion detector for worker safety at hazardous locations. Smart sensors carry
calibration and ID information with them for quick exchange in the field during Hazmat response. Specific sensors
include electrochemical (EC) for carbon monoxide (CO), hydrogen sulfide (H2S), ammonia (NH3), hydrogen cya-
nide (HCN), hydrogen chloride (HCl), hydrogen fluoride (HF), chlorine (Cl2), chlorine dioxide (ClO2), nitric oxide
(NO), nitrogen dioxide (NO2), sulfur dioxide (SO2), ethylene oxide, methyl mercaptan, and others. Also available
are pellistor for LEL level combustibles, non-dispersive infrared (NDIR) for Vol% level CO2 or hydrocarbons, and
photo-ionization detector (PID) for ppm level VOCs. Use of combination CO/H2S or SO2/H2S sensors allow up to 5
gas measurements in a single instrument. The MP400P has rugged construction and easy-to-learn 2-button oper-
ation. The unique Man-Down alarm feature notifies nearby workers if the user becomes incapacitated.
Features, Functions and Benefits
• Wide selection of “plug-and-play” Smart Sensors
• 16-Hour rechargeable Li-ion battery
• Pump-off switch saves battery for longer operation time
• Automatic flow fault on pump
• 360-Degree LED alarm bar
• Man-Down alarm
• USB Micro charger & communications cable
• Flip screen
• 6 Months continuous datalogging
• Durable double shot outer case
Confined Space Entry Monitors
Ver 1.6
1-866-mPower7
MP400P
Santa Clara • Houston • Shanghai • www.mpowerinc.com • HQ Office: (408) 320-1266 • 1-866-mPower7
Specifications
Detector Specifications
Size 5.74 x 3.31 x 1.65 in (140 x 84 x 42 mm)
Weight 15.5 oz (435 g)
Sensors Over 30 interchangeable and field-replaceable sen-sors including PID for VOCs, EC for Toxic and O2, Pellistor for LEL, and NDIR for LEL, Vol% and CO2
Response time (t90)
• 15 seconds (LEL/CO/H2S/O2) • Others vary – see sensor specification sheet
Battery Rechargeable Li-ion pack: 16 hours in diffusion mode, 12 hours with pump
Direct Readout
• Real-time reading of gas concentration • PID measurement gas and correction factor, • Visual compliance indicator • Battery status • Datalogging on/off • STEL, TWA, peak and minimum values • Man-Down alarm on/off
Display 128 x 128 graphical LCD, 1.77 x 1.73 in (45 x 44 mm), with LED backlight for enhanced readability. Automatic screen “flip” feature
Keypad 2 Operation keys
Sampling Bulit-in pump or diffusion
Calibration Manual calibration. CaliCase option allows auto-matic bump test and calibration on up to 4 units simultaneously
Alarms • Audible (95 dB @ 30 cm) • Visual (flashing bright red LEDs) • Vibration • On-screen indication of alarm conditions • Man-Down alarm with pre-alarm
Datalogging Continuous datalogging (6 months for 4 sensors at 1-minute intervals, 24 hours/day and 7 days/week)
Charging and Communica-tion
Charging, data download, instrument setup and firmware upgrades on PC or laptop via PC comm, cradle, travel charger, or CaliCase.
Temperature -4° to 122°F (-20° to 50°C)
Humidity 0% to 95% Relative humidity (non-condensing)
IP Rating IP-65 (pump versions); IP-67 (diffusion versions)
Safety Certifications
Class I, Div 1, Group ABCD T4, -20°C ≤ Tamb ≤ +50°C
IECEx Ex ia IIC T4 Ga II 1G Ex ia IIC T4 Ga (pending) European Conformity (pending)
EMC/RFI EMC directive: 2014/30/EU
Warranty • 2 Years on instruments • 2 Years on sensors for pellister LEL, and O2, CO, H2S, SO2, HCN, NO, NO2, and PH3 EC sensors
• 1 Year on other sensors
Sensor Options
Sensor Range Resolution
PID 0-2000 ppm 0.1 ppm
Oxygen (O2) 0-30%Vol 0.1%Vol
Combustibles (LEL%) 0-100%LEL 1%LEL
Hydrocarbons (Vol%) 0-100%Vol 0.1%Vol
CO2 (Carbon Dioxide) 0-50000 ppm 100 ppm
CO (Carbon Monoxide) 0-1000 ppm 1 ppm
H2S (Hydrogen Sulfide)
0-100 ppm 0.1 ppm
0-1000 ppm 1 ppm
CO + H2S CO 0-500 ppm 1 ppm
H2S 0-200 ppm 0.1 ppm
SO2 + H2S SO2 0-20 ppm 0.1 ppm
H2S 0-100 ppm 0.1 ppm
NH3 (Ammonia) 0-100 ppm 1 ppm
Cl2 (Chlorine) 0-50 ppm 0.1 ppm
ClO2 ( Chlorine Dioxide) 0-1 ppm 0.01 ppm
H2 (Hydrogen) 0-1000 ppm 10 ppm
HCl (Hydrogen Chloride) 0-15 ppm 0.1 ppm
HF (Hydrogen Fluoride) 0-10 ppm 0.1 ppm
HCN (Hydrogen Cyanide) 0-100 ppm 1 ppm
NO (Nitric Oxide) 0-250 ppm 1 ppm
NO2 (Nitrogen Dioxide) 0-20 ppm 0.1 ppm
PH3 (Phosphine) 0-20 ppm 0.01 ppm
SO2 (Sulfur Dioxide) 0-20 ppm 0.1 ppm
C2H4O (Acetaldehyde) 0-20 ppm 0.1 ppm
ETO (Ethylene Oxide) 0-100 ppm 0.1 ppm
CH3SH (Methyl Mercaptan) 0-10 ppm 0.1 ppm
* Due to ongoing research and product improvement, specifications are subject to change without notice *
Distributed By:
WARNINGS
Read Before Operating The full POLI User’s Guide must be carefully
read by all individuals who have or will have the
responsibility of using, maintaining or servicing this
product. The product will perform as designed only if
it is used, maintained and serviced in accordance with
the manufacturer’s instructions.
Caution
⚫ Change battery only in area known to be non-
hazardous.
⚫ Use only mPower’s battery PN: 12.01.09.0001.
Attention
⚫ Changez la batterie uniquement dans une zone
connue pour être non dangereuse.
⚫ Utiliser uniquement la batterie mPower PN:
PN: 12.01.09.0001.
Warning
• Never operate the monitor when the cover is removed. • Remove the monitor cover and battery only in area known as
non-hazardous. • Use only mPower’s lithium battery part
number12.01.09.0001. • This instrument has not been tested in an explosive gas/air
atmosphere having an oxygen concentration greater than 21%.
• Substitution of components will impair suitability for intrinsic safety and void warranty.
• It is recommended to bump test with a known concentration gas to confirm the instrument is functioning properly before use.
• Before use, ensure that the ESD film on the display is not damaged or peeling.
Avertissement • N'utilisez jamais le moniteur lorsque le couvercle est enlevé. • Retirer le couvercle du moniteur et la batterie uniquement
dans une zone connue comme non dangereuse. • Utilisez uniquement le numéro de pièce de la batterie au
lithium mPower12.01.09.0001. • Cet instrument n'a pas été testé dans une atmosphère
explosive gaz / air ayant une concentration en oxygène supérieure à 21%.
• La substitution de composants compromettra l'aptitude à la sécurité intrinsèque et annulera la garantie.
• Il est recommandé de tester avec un gaz de concentration connu pour confirmer que l'instrument fonctionne correctement avant de l'utiliser.
• Avant de l’utiliser, assurez-vous que le film ESD sur l'écran n'est pas endommagé ou épluché.
User Interface Two key operation, four sensor sockets, one big
LCD, eight alarm LEDs, one buzzer, two vibration
alarms.
mPower Electronics Inc. 3046 Scott Blvd. Santa Clara, CA 95054
Phone: +1(408)320-1266 Fax: +1(669)342-7077 [email protected] www.mpowerinc.com
POLI MP400 Series
Quick Start Guide
Sensors
Gas Inlet LED Alarm
Buzzer
Left Key (Confirm /Number Increase)
LCD
Charge/Comm Port
LED Alarm
Right Key (Power/ Cursor Moving)
1
2 3
PN: M004-4007-000 v1.2
Turning the Unit On Press and hold the Down Key for 3 seconds, until
the buzzer beeps and the red LED flashes. After a
warm up and self-test sequence, the unit enters
normal reading mode, showing real time gas
concentrations.
Turning the Unit Off In normal reading mode, press and hold the Down
Key for a 5-second count down, until “Unit Off” is
displayed.
Charging Always fully charge the battery before use. Plug
the charger into the bottom of the POLI. The battery
icon on the LCD shows the charge status. During
active charging, the icon cycles from empty to full
and a yellow alarm light remains on, which switches
to green when completely charged.
Charging/Comm Cable The USB Charging/Communications cable allows
charging the unit on a personal computer. A locally-
purchased cable can work as well for charging, but
mPower’s cable must be used for proper data transfer
when communicating with mPower Suite.
Normal Mode After warm-up is complete, the unit enters normal
reading mode and displays the instantaneous gas
concentrations continuously.
Other values like STEL, TWA, Peak , Min, Date,
LEL gas, etc. can be checked by pressing the Right
Key to cycle through these screens one by one. The
Left “Test” key check alarm function.
Two text and symbol boxes at the LCD bottom are
mapped to the Left [+/OK] and Right [ /↓] keys. The
text or symbol in the boxes will vary with the
menu.
Configuration Mode In Config Mode, the user can perform sensor
calibrations, change the alarm limits and set up other
parameters. To navigate, use the Left and Right key
functions as indicated on the LCD bottom. In general,
the Right [ /↓] moves the cursor to highlight a
function and Left [+/OK] enters or exits the function
or changes numerical values.
Enter Config Mode Hold down the Left and Right Keys together for 3
sec. The config mode is password
protected with a default password of
“0000”. Input all four digits and
press Left (OK) to enter config mode.
Config Mode Menu
Calibration: Calibration, Bump, Set span value
Measure: Enable/Disable sensors, Gas units
Alarm: Set alarm limits, Man-Down info, etc.
Datalog: Clear data, Set interval, Select sensors
Monitor Set-up: LCD, Pump speed, Language
Wireless: Wireless on/off or Register
Exit: Exit from Config Mode
Exit Config Mode Press the Right Key repeatedly until the “Exit”
icon is highlighted, then press Left to exit.
Scrolling Numerical Entries While modifying numerical values such span
values or alarm limits, the function of the Left [+/OK]
key can be switched between number increase
and decrease by pressing both keys
simultaneously.
Change Alarm Limits
All alarm limits can be customized, including High,
Low, STEL and TWA alarms.
• To enter the alarm limit setting:
Config mode → Alarm Menu → Alarm Type.
• To change a value:
Press Right to highlight the desired digit and press
Left to change the value. Holding down the Left
Key for continuous number scrolling.
• To save and exit:
Press the Right Key until “Done “ appears in the
bottom-left corner, then press Left to exit. If
changes have been made, there will be a message
to confirm saving the new values. Press “Yes” to
save, “No” to discard.
4 5
Man Down alarm on Notice information
Datalog status Battery status
Concentration Reading
Wireless status
Pump status
Sensor type
Unit of measure
Indications of Left and Right key functions
Valid on Cal & Bump Test
6 7
Bump Test A bump test is a quick 30-second check if the
sensors and alarms functioning, without doing a
precise calibration.
• To enter bump test:
Config mode → Calibration Menu → Bump Test
• Select sensors to be bump tested:
All sensors are selected by default. Press Right to
start selecting, and Left to toggle a selection on or
off. Move the highlight with the Right key, then
press the check box when all selections are done.
• Apply test gas to the inlet.
• Press Left (Start) to initiate
the 30-second bump test
timer. When complete, a Pass
or Fail result is displayed
Fresh Air Calibration Zero calibration sets the baseline for the sensor and
is done in normal fresh air or other clean air source.
• Enter fresh air calibration:
Config Mode → Calibration → Fresh Air Calib.
• Select sensors to be zeroed in the same manner as
described for Bump testing.
• Start fresh air zero:
Press the Left key and a count-down timer starts.
When the count-down is finished, “Pass” or “Fail”
will be displayed. To abort the zero calibration use
the Left key during count down.
• The Oxygen sensor is set to 20.9% during Fresh
Air calibration and can be zeroed using the
Nitrogen Calib menu.
Span Calibration Span calibration uses known concentrations of gas
to define the response of the sensor(s) to the gas(es).
Multiple sensors can be calibrated simultaneously
using a gas mixture. Use a fixed-flow regulator
providing about 0.5 LPM. For pumped units a
demand-flow regulator can also be used.
• To Set Span Value:
Config Mode → Calibration Menu → Span Value
• Press Right to highlight a sensor, Left to select
and Left [+/OK] again to increase or decrease that
sensor’s span concentration. Repeat with other
sensors as needed.
• To perform Span Calibration:
Config Mode → Calibration Menu → Span Calib
→ Select Sensor as for Bump Test → Span Calib
• Apply gas to gas inlet, on
the top of the unit.
• Press Start and wait for the
count-down timer and
calibration result.
• Switch off the gas and exit Calib Mode.
Maintenance and Service For pumped units, replace the inlet filter a regular
basis, especially when used in high-dust environments.
For battery or sensor replacement and other
maintenance or services, please contact mPower’s
service department or refer to the User Manual.
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