Macurco AimSafety PM400 User manual

IMPORTANT: Keep these user instructions for reference.

AimSafety™ PM400

Multi-Gas Personal Monitor

User Instructions

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 2 |Page

1General Information ................................................................................................................................................ 4

1.1 Key Features ..................................................................................................................................................... 4

1.2 Programmable options (PM Link)..................................................................................................................... 4

1.3 Difference Between PM400 P and PM400 IR ....................................................................................................... 5

1.3.1 Over Range Alarm Function...................................................................................................................... 5

1.3.2 Catalytic Bead technology (PM400 P) Overview ........................................................................................ 5

1.3.3 Non-Dispersive Infra-Red (NDIR) technology (PM400 IR) Overview .......................................................... 6

2Specifications ........................................................................................................................................................... 7

3Product Overview .................................................................................................................................................... 8

3.1 Monitor Overview ............................................................................................................................................ 8

3.2 Display Overview .............................................................................................................................................. 8

3.2.1 LCD display symbols ................................................................................................................................. 9

4Charging, Powering Up and Powering Down........................................................................................................ 10

4.1 Charging the Device........................................................................................................................................ 10

4.2 Power On the Monitor ................................................................................................................................... 10

4.3 Powering Off the Monitor .............................................................................................................................. 11

4.4 User Interface ................................................................................................................................................. 11

4.4.1 Display Modes ........................................................................................................................................ 11

4.5 Menu Screens ................................................................................................................................................. 12

4.6 Alarm and Alerts............................................................................................................................................. 14

4.6.1 Alarm and Alert indication chart ............................................................................................................ 15

4.7 Default Alarm Set Points ................................................................................................................................ 16

4.8 Bump Test Reminder ...................................................................................................................................... 16

5Bump Test .............................................................................................................................................................. 17

6Calibration.............................................................................................................................................................. 20

6.1 Accessing the Calibration Menu..................................................................................................................... 20

6.2 Fresh Air Calibration ....................................................................................................................................... 20

6.3 Span Calibration ............................................................................................................................................. 22

6.4 Exiting the Calibration Menu.......................................................................................................................... 24

7Logging ................................................................................................................................................................... 25

8Maintenance and Cleaning.................................................................................................................................... 26

8.1 Maintenance................................................................................................................................................... 26

8.2 Cleaning .......................................................................................................................................................... 26

9Disposal .................................................................................................................................................................. 26

10 Certificates ......................................................................................................................................................... 27

11 Appendix A – Table of Figures ........................................................................................................................... 28

12 Product limited warranty .................................................................................................................................. 29

Technical Support Contact Information ....................................................................................................................... 29

General Contact Information........................................................................................................................................ 29

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 3 |Page

WARNING

Any unauthorized attempt to repair or modify the product, or any other cause of damage beyond the range of the

intended use, including damage by fire, lightning, or other hazard, voids liability of the manufacturer.

Activate this product only if sensor, visual, detection, and audible cover are clear from contaminants such as dirt and

debris that could block the area where gas is to be detected.

Do not clean and rub the LCD screen of the products with a dry cloth or hands in hazardous environment to prevent static

electricity.

Perform cleaning and maintenance of the products in fresh air that is free of hazardous gases.

Test the response of the sensor regularly with a gas concentration exceeding the alarm set point.

Test LED, audio, and vibration manually.

Gas concentration measurements by the sensor can vary based on the environment (temperature, pressure and

humidity). Therefore, calibration of PM400 should be performed in the same (or similar) environment of the device’s actual

use.

If the temperature changes sharply during use of the device (e.g., indoors vs outdoors), the value of the measured gas

concentration can suddenly change. Please use the PM400 after the gas concentration value has stabilized.

Severe vibration or shock to the device may cause a sudden reading change. Please use PM

400

after the value of gas

concentration has stabilized. Excessive shock to PM400 can cause the device and/or sensor to malfunction.

Alarm values are set based on the alarm standard that are required by international standards. Therefore, alarm values

should be changed only under the responsibility and approval of the administration of the work site where the instrument

is used.

Use IR communications in the safety zone which is free of hazardous gases.

Do not attempt to replace the battery and sensor as PM

400

is designed to be disposable. Changing the battery and sensor

may impair intrinsic safety and the attempt will void warranty.

CAUTIONS

Before operating this device, please read the manual carefully.

This device is not a measurement device, but a gas detector.

If calibration and self-test fails continuously, please do not use the device.

For the O2 detector, perform calibration every 30 days in the fresh air environment.

Before use, please check the activation date, and if the activation date has passed, please do not use the device.

Clean detectors with a soft cloth and do not use chemical substances for cleaning.

To maintain a 24-month lifetime, avoid the below activities except in necessary cases to check events (Max/Min),

lifetime/concentration, and alarm set points. Otherwise, the frequent use of the button will deplete the battery lifetime

less than 24 months.

1. Push the button frequently without valid reasons.

2. Frequent alarm operation or alarms are remained for a long time.

*Normal Alarm Use: 1 time and 2 minutes per day.

3. Connect with the PM Link frequently except the bump testing.

View a serial number on the label at the back side of the device. (ex, 20170101)

1. The serial number indicates below.

ex: SG 01 01 001 2017(Year) 01(Months) 01(Day) 001(Manufacture Order)

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 4 |Page

1General Information

The innovative new AimSafety PM400 4-gas portable monitor brings enhanced convenience and flexibility to gas

detection in hazardous environments. The ergonomic PM400 diffusion gas monitor simultaneously detects up to four

gases, including hydrogen sulfide (H2S), carbon monoxide (CO), oxygen (O2) and combustibles (LEL). AimSafety’s

PM400 is easy to use and delivers continuous visibility of gas concentrations for faster, more informed decisions that

help protect workers and operational assets which can increase revenue and productivity.

The PM400 LCD display provides real-time gas concentrations and allows plant managers or workers to set high and

low alarm set-points for each sensor, and STEL, and TWA alarm set-points for toxic gases. The PM400’s audible, visual

and vibrating alarms alert the user of unsafe gas concentrations. Standard sensors include: Carbon Monoxide,

Hydrogen Sulfide, Oxygen, and either Catalytic Bead (PM400 P) or Infrared (PM400 IR) for combustible gases (LEL). The

PM400 IR will operate continuously for up to 60 days on a single battery charge.

1.1 Key Features

•Easy-to-Read LCD display

•Single button operation

•Rugged, high visual housing

•IP67 dust tight & water resistant

•60-day continuous runtime (IR version)

•IR sensor is immune to poisoning

•IR sensor detects LEL gases in inert (O2deficient) applications

•Sensor options: CO, H2S, O2, LEL

•Event logging

•Visual alarm with bright flashing LEDs

•Distinct audible alarm

•Vibrating alarm

•Durable weather resistant case

•Rugged clip

1.2 Programmable options (PM Link)

•Stealth Mode

•Go/No Go display

•Bump Test due

•Calibration due

•Calibration gas concentrations

•Alarm levels

•STEL and TWA levels

•Firmware upgrades

For a full list of programmable options, please consult the PM Link software manual.

PM400 Multi-Gas Personal Monitor

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1.3 Difference Between PM400 P and PM400 IR

The PM400 P and the PM400 IR are identical units with one exception: The Combustible gas (LEL) sensors are different

in each model. The PM400 P is equipped with a Catalytic Bead (Pellistor) sensor. The PM400 IR is equipped with a

Non-Dispersive Infra-Red (NDIR) sensor. Be sure to understand the strengths and limitations of the sensor that’s

inside the unit (see below). They directly affect the usage and the lifespan of your detection device.

1.3.1 Over Range Alarm Function

Because of the nature of each sensor, the device will behave differently when exposed to high gas levels which

exceed their sensor ranges this is known as an Over Range Alert.

1.3.1.1 PM400 P

In the event of an Over Range alarm, the Catalytic Bead sensor will prompt Over Range alarms and then turn off the

sensor to avoid damaging the sensor elements.

If an Over Range Alarm sounds, exit to a safe area immediately.

The alarm will continue to sound because the sensor is disabled. To silence the alarm, the monitor will need to be

turned off and back on again, thus re-enabling the sensor.

1.3.1.2 PM400 IR

In the event of an Over Range alarm, the NDIR sensor continues to function normally.

If an Over Range Alarm sounds, exit to a safe area immediately.

A simple press of the [Function] key acknowledges and silences the alarm. The sensor continues to stay active even

though the level has exceeded 100% LEL.

1.3.2 Catalytic Bead technology (PM400 P) Overview

1.3.2.1 Advantages of Catalytic Bead technology

•The Catalytic sensor detects a wide range of combustible (LEL) gasses: The PM400 P is the device that should

be used if hydrogen and acetylene are among the gases in your environment that require detection.

Make careful note of the disadvantages of this sensor listed below; they have a direct effect on user safety and on

the function of the device.

1.3.2.2 Disadvantages of Catalytic Bead technology

•The Catalytic sensor can be “poisoned”: Certain chemicals will damage the internal elements and cause the

sensor to lose sensitivity. Common poisons are chemicals which contain silicon (found in hand lotions and

industrial lubricants) and Sulfur compounds, which can be released with gases. Chlorine (found in many

cleaning products) and heavy metals can also poison a catalytic sensor. This list is by no means

comprehensive.

•The Catalytic Bead sensors require oxygen to detect gases: Because a Catalytic Bead sensor burns the

sample of gas, oxygen is required for the monitor to detect the presence of combustible gases.

•The Catalytic Bead sensor can burn out: Exposure to high concentrations of gas can completely disable the

sensor. See section 1.3.1 Over Range Alarm Function.

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 6 |Page

The Catalytic Bead sensor is more prone to sensor drift: These sensors typically require more frequent calibration.

See

•The Catalytic sensor requires more power: Due to the sensor design, the Catalytic Bead sensor requires

more power to operate, thus shortening the runtime of the monitor.

1.3.3 Non-Dispersive Infra-Red (NDIR) technology (PM400 IR) Overview

1.3.3.1 Disadvantages of NDIR technology

•Doesn’t detect certain combustible (LEL) gasses: Gases such as hydrogen and acetylene go undetected by

NDIR sensors.

Be sure the safety of your users isn’t dependent on detecting hydrogen and/or acetylene. The PM400 IR does NOT

detect these gases.

1.3.3.2 Advantages of NDIR technology

•The NDIR sensor does not require oxygen to detect gases: Because the NDIR sensor uses absorbed light

spectrum technology to detect combustible gases, the sensor does not require oxygen to operate, making it

ideal for inert and oxygen deficiency applications.

•The NDIR is more durable: Cannot be inhibited, poisoned by external chemicals and gases.

•The NDIR sensor is more stable: Requires minimal recalibration and is typically stable even after extended

storage.

•The NDIR sensor has a longer lifespan: The sensor has a life expectancy of up to 10 years.

•The NDIR sensor requires less power: Due to the sensor design the NDIR sensor requires less power to

operate, thus allowing for extended runtimes compared to the Catalytic Bead sensor.

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 7 |Page

2Specifications

Model

PM400

Gas Type

LEL

H2S

Detecting Method

Diffusion

Measure type

Catalytic Bead (PM

400

P), Infrared (PM400 IR)

Electrochemical

Cell

Electrochemical

Cell

Electrochemical

Cell

Range

0-100 %LEL

0-30 % by

Volume

0-500 ppm

0-100 ppm

Sensor life

400

P> 2 years,

PM400 IR > 5 years

2 years

> 2 years

Resolution

1%LEL

0.1% by Volume

1 PPM

User Settings

User Selectable via PM Link and PC Software or Bump Test-Calibration Station

Display

Backlit digital LCD display

Alarm display

RED, Flashing LEDs (Light-Emitting Diode)

Audible alarm

90 dB at 4 inches (10 cm)

Vibrating alarm

Vibration Alarm

Alarm level set

User Selectable via PM Link and PC Software or Bump Test-Calibration Station

Event Logging

Data logging: Two months - Continuous at 1 - minute intervals, 24 hours a day, 7

- days a week

Event logging: 30 events, Calibration logging: 30 calibrations, Bump Test logging:

30 bump tests

Mounting type

Clip

Program set mode

User Selectable via PM Link and PC Software or Bump Test-Calibration Station

Operating temperature

-4°F to 122°F (-20°C to 50°C)

Operating humidity

10 to 95% RH (Non-condensing)

Battery

Rechargeable 3.7V Li-ion

Battery Runtime

PM400 P: 24 hours, PM400 IR: 60 days

Material

Polycarbonate and rubber

Dimensions

4.6” (L) x 2.4” (W) x 1.6” (H) (11.8 cm x 6 cm x 4 cm)

Weight (Battery, clip

included)

8.4 oz. (238 g.) – Catalytic Bead model

8.0 oz. (227 g.) – Infrared model

Approval

See Section 10 Certificates

Ingress Rating

IP67 dust tight & water resistant

Compliance

Electromagnetic Compatibility Directive 2014/30/EU

Manufacturing Approval

The detector manufacturer is certified compliant with ISO 9001:2000 provisions

Options

PM Link, PM

400

Bump Test-Calibration Station

Warranty

2 years

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 8 |Page

3Product Overview

3.1 Monitor Overview

3–1 PM400 Monitor

3.2 Display Overview

3–2 PM400 Display Screen

PM400 Multi-Gas Personal Monitor

REV – 2.0 [34-2900-0206-2 ] 9 |Page

3.2.1 LCD display symbols

High Alarm Display

Zero Calibration Display

Low Alarm Display

Device Stabilization &

Calibration Succeeded

Alarm Condition

Standard Gas Calibration Display

STEL Alarm Display

Remaining Battery Display

TWA Alarm Display

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