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New Cosmos Electric XP-302M-R-A-1 Instruction Manual

Multi-gas
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■ XP-302M-R
■ XP-302M-R
■ XP-302M-R
■ XP-302M-R
■ XP-302M-R
■ XP-302M-R
Model designation
XP-302M-R-A/B/C-1/2
A/B/C denotes target gases
A: Oxygen (O2), combustible gas (COMB),
hydrogen sulfide (H2S), and carbon monoxide (CO)
B: Oxygen (O2), combustible gas (COMB), and
hydrogen sulfide (H2S)
C: Oxygen (O2), combustible gas (COMB),
and carbon monoxide (CO)
1/2 denotes accessory
1: Gas sampling tube (1m) with probe nozzle
2: Gas sampling tube (8m) with sampling float
-A-1
Multi-gas Detector
-B-1
Instruction Manual
-C-1
-A-2
-B-2
This instruction manual applies to the six models listed to the left.
Keep this manual for easy reference.
-C-2
Carefully read this manual prior to use.
Note: Refer to page 2 for information on explosive-proof application.
XP-302M-RET(00)
July 2018

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Summary of Contents for New Cosmos Electric XP-302M-R-A-1

  • Page 1 ■ XP-302M-R -A-1 Multi-gas Detector ■ XP-302M-R -B-1 Instruction Manual ■ XP-302M-R -C-1 ■ XP-302M-R -A-2 ■ XP-302M-R -B-2 This instruction manual applies to the six models listed to the left.  ■ XP-302M-R Keep this manual for easy reference. -C-2 ...

  • Page 2: Table Of Contents

    Table of Contents Package Contents Introduction Explosion-proof Requirements Symbols Used in this Manual Safety Precautions Unit Dimensions and Components Exterior appearance Optional alarm unit Operation Carry Case Usage Preparation Operation Procedure Gas Concentrations Screen Gas Alarm Peak Hold Automatic Backlight and Backlight Timeout Functions and Settings Functions and Settings: Alarm Test Functions and Settings: Data Logging...

  • Page 3: Package Contents

    Package Contents This product is packed and shipped with the utmost care. If any items are missing or damaged, please contact New Cosmos or its distributor for replacement. XP-302M-R multi-gas portable suction type detector with carry case and shoulder strap (Refer to Model designation on cover page.) For XP-302M-R-A/B/C-1, Gas sampling tube (1m) with drain filter and probe nozzle...

  • Page 4: Introduction

    1. Introduction Thank you for purchasing the New Cosmos multi-gas detector XP-302M-R series. Prior to use, please read this instruction manual to ensure safe and reliable operation, and to prevent accidents. This gas detector can measure 3 or 4 gases, such as oxygen (O2), combustible gas (COMB), hydrogen sulfide (H2S) and carbon monoxide (CO) while simultaneously displaying all gas concentrations.

  • Page 5: Symbols Used In This Manual

    Introduction Symbols Used in this Manual This manual uses Danger, Warning, Caution and Note symbols to draw attention to procedures, materials, methods, and processes, which require particular attention. Indicates an imminently hazardous situation that can result in death DANGER or serious injury. Indicates a potentially hazardous situation that may result in death WARNING or serious injury.
  • Page 6 1. Introduction  If this product is to be unused for an extended period of time, the CAUTION battery level must be checked periodically (monthly). Replace the batteries if the battery level is low. Failure to do so may cause them to leak, which will lead to product failure.

  • Page 7: Unit Dimensions And Components

    2. Unit Dimensions and Components Exterior appearance ⑦ ④ ③ ⑤ ⑧ ① ⑭ ② ⑰ ⑬ ⑫ ⑮ ⑯ ⑥ Rear view Right view ⑩ ⑨ ⑪ Item Component Description/Function Turns on/off the LCD backlight depending on the Light sensor ambient brightness.
  • Page 8 2. Unit Dimensions and Components Item Component Description/Function Alarm unit connector Connects an optional alarm unit. with screw cap USB cover Covers the USB cable port. DC jack cover Covers the DC jack. Battery cover For battery replacement. POWER button Turns the unit on/off.
  • Page 9 2. Unit Dimensions and Components Gas sampling tube (1m) ③ ② ④ ① Item Component Description/Function Gas sampling tube (1m) Conveys gas to the gas detector. Coupler Connects to the gas detector. Prevents water and dust from entering the gas detector, and Drain filter houses a filter element (FE-2).

  • Page 10: Optional Alarm Unit

    2. Unit Dimensions and Components Optional alarm unit ③ ② ⑥ ④ ① ⑤ Item Component Description/Function Protective case Houses the alarm unit. Indicates the operation status of the alarm unit. Lit when the alarm unit is on. Green operation light Flashing when a gas detector fault or a communication error is detected, or to notify a battery replacement is needed.

  • Page 11: Operation

    3. Operation Carry Case Usage detector Gas sampling tube (1m) Gas sampling tube and operated with the gas sampling probe nozzle can be stored tube spooled and stored inside in the pocket holder on the the carry case and the drain filter rear of the carry case.

  • Page 12: Preparation

    3. Operation Preparation (Connecting gas sampling tube (1m/8m), alarm unit, and AC adaptor) WARNING Firmly connect all connectors and tube to ensure proper gas detection. ■ Connect the gas sampling tube (1m) 1. Screw the probe nozzle into the drain filter. Press the gas sampling tube’s coupler onto the gas detector’s gas inlet until it clicks.
  • Page 13 3. Operation ■ Connect the optional alarm unit 1. Install two batteries (page 38). 2. Rotate the screw cap counterclockwise to remove it from the alarm unit connector. 3. Align the communication cable’s connector to the alarm unit connector. Rotate the sleeve clockwise to engage the threads, and tighten firmly.

  • Page 14: Operation Procedure

    3. Operation Operation Procedure Always perform a routine check (page 39) before use. WARNING STEPS Gas concentrations Preparation 2. Detection 3. Power off 1. Power on Warm-up screen Power on -> Warm-up -> Gas concentrations screen Zero adjustment (zeroing) starts automatically when the detector is WARNING turned on.
  • Page 15 3. Operation 2. Detection The detector is ready for use when the gas concentrations screen is displayed. → Page 14 “Gas Concentrations Screen” → Page 15 “Gas Alarm” Gas concentrations screen If a reading exceeds the full scale value, move the detector to clean WARNING air area immediately.

  • Page 16: Gas Concentrations Screen

    3. Operation Gas Concentrations Screen This detector can simultaneously display three or four gas concentrations on its LCD. There are three display format options. Each press of the DISPLAY button will change the display format. From the display setting screen (page 30), it is possible to select the format of the first screen shown when the gas detector turns on.

  • Page 17: Gas Alarm

    3. Operation Gas Alarm When the gas concentration exceeds the gas alarm set value, a gas alarm will activate. Detailed gas alarm operation is given in the table below. Refer to page 8 for the alarm unit’s operation when an alarm is active. When the gas concentration falls below the gas alarm set value, the gas alarm will automatically deactivate (automatic reset).

  • Page 18: Peak Hold

    3. Operation Peak Hold Once the peak hold function is activated, the new peak value will be updated and maintained on the LCD even if the actual gas concentration falls below that value. For combustible gas (COMB), hydrogen sulfide (H2S) and carbon monoxide (CO), the highest marked concentration will be maintained as its peak value.

  • Page 19: Functions And Settings

    3. Operation Functions and Settings The MENU screen allows the user to set or activate functions. To access the MENU screen, press the MENU button. Menu screen Item Function and setting details Reference Operation test for alarm light and audio alarm. Alarm Test Page 18 Additionally, the alarm volume can be adjusted.

  • Page 20: Functions And Settings: Alarm Test

    3. Operation Functions and Settings: Alarm Test (1) Press the MENU button to access the MENU screen. (2) “Alarm test” is selected. Press the  button to confirm the selection. Menu screen (3) The ALARM TEST screen is displayed. The light and audio alarm start flashing and chirping.

  • Page 21: Functions And Settings: Data Logging

    3. Operation Functions and Settings: Data Logging (1) Press the MENU button to access the MENU screen. (2) Press the ▲ or ▼ button to select “Data logging”. Press the  button to confirm the selection. Menu screen (3) The LOGGER screen will be displayed. Press the ▲ or ▼ button to select the desired item.
  • Page 22 3. Operation Start data logging ■ (1) Go to the LOGGER screen by taking s eps (1) and (2) on page 19. Start – Value is instantly logged at NOTE every set interval. Interval – Logging interval. To change the logging interval, refer to page 23. Remaining –...
  • Page 23 3. Operation Stop data logging ■ (1) Go to the LOGGING NOW screen by taking steps (1) and (2) on page 19. Logging now screen (2) Press the  button. The data logging in progress will stop and the message “LOGGER STOPPED” will be displayed.
  • Page 24 3. Operation Clear log data ■ (1) Go to the LOGGER screen by taking steps (1) and (2) on page 19. (2) Press the ▲ or ▼ button to select “Clear”. Press the  button to confirm the selection. Logger screen (3) You will be prompted “Clear all logs?”...
  • Page 25 3. Operation Change logging interval ■ (1) Go to the LOGGER screen by taking steps (1) and (2) on page 19. (2) Press the ▲ or ▼ button to select “Interval”. Press the  button to confirm the selection. Logger screen (3) The screen for setting the logging interval will be displayed.

  • Page 26: Functions And Settings: Alarm Set Values

    3. Operation Functions and Settings: Alarm Set Values Before changing the alarm set values, the safety lock needs to be deactivated (page 32). Alarm set values are very important for gas detection. Any changes to WARNING them must be performed by an authorized safety manager. Once completed, confirm that all the set values are correct.

  • Page 27: Functions And Settings: Clock

    3. Operation Functions and Settings: Clock (1) Press the MENU button to access the MENU screen. (2) Press the ▲ or ▼ button to select “Settings”. Press the  button to confirm the selection. Menu screen (3) The SETTINGS 1/2 screen will be displayed. Press the ▲...

  • Page 28: Functions And Settings: O2 Mode Setting

    3. Operation Functions and Settings: O2 Mode Setting Before changing the O2 mode, the safety lock needs to be deactivated (page 32). O2 mode setting must be performed by an authorized safety manager. WARNING Set the O2 mode to “Low-Low ↓ Peak” to monitor oxygen deficiency. (1) Press the MENU button to access the MENU screen.

  • Page 29: Functions And Settings: Volume/Mute

    3. Operation Functions and Settings: Volume/Mute The volume level for the audio alarm must be changed by an WARNING authorized safety manager only. After changing the volume setting, perform an alarm test for confirmation. (1) Press the MENU button to access the MENU screen. (2) Press the ▲...
  • Page 30 3. Operation (5) The VOLUME SETTING screen will be displayed. Press the ▲ or ▼ button to select the item you want to change. Press the  button to confirm the selection. Volume setting screen Item Setting details Turns on/off the mute mode. All sounds are muted while this mode is active.

  • Page 31: Functions And Settings: Lcd Contrast

    3. Operation Functions and Settings: LCD Contrast (1) Press the MENU button to access the MENU screen. (2) Press the ▲ or ▼ button to select “Settings”. Press the  button to confirm the selection. Menu screen (3) The SETTINGS 1/2 screen will be displayed. Press the ▲...

  • Page 32: Functions And Settings: Display

    3. Operation Functions and Settings: Display (1) Press the MENU button to access the MENU screen. (2) Press the ▲ or ▼ button to select “Settings”. Press the  button to confirm the selection. Menu screen (3) The SETTINGS 1/2 screen will be displayed. Press the ▲...

  • Page 33: Functions And Settings: Safety Lock

    3. Operation (6) Press the ▲ or ▼ button to change the setting. (7) Press the  button for confirmation. Press the MENU button to return to the gas concentrations screen. Display setting screen Functions and Settings: Safety Lock The safety lock is very important. Unlocking must only be done by an WARNING authorized safety manager.
  • Page 34 3. Operation (5) Press the ▲ or ▼ button to select “Lock”. Unlock selected Lock selected (6) Press the  button for confirmation. The safety lock will activate (locked) and the lock icons will appear to the left of the three locked functions. Pressing the MENU button instead of the ...
  • Page 35 3. Operation (4) The SETTINGS 2/2 screen will be displayed. Press the ▲ or ▼ button to select the key icon. Press the  button to confirm the selection. This key icon is invisible while the safety lock is active (locked). Press the ▲ or ▼ button to select it, key icon will become visible.

  • Page 36: Notifications/Error Messages On Display

    4. Notifications/Error Messages on Display If an error is detected, the corresponding notification/error message will be displayed on the LCD accompanied by beeping. The table below lists major notifications and messages. If a notification or error message is displayed on the LCD, follow the instruction displayed. (Refer to page 8 for the optional alarm unit’s operation in the event of an error.) If no notification/error message is displayed but buttons or display do not function, remove the batteries, reinstall them, and power cycle the unit.

  • Page 37: Consumable Replacement

    5. Consumable Replacement Filter Element Replacement Replace the filter elements with new ones if they are dirty or wet. If water is present inside the drain filter or filter case, remove the water and clean the drain filter or filter case. If water enters the gas sampling tube or gas detector, proper gas detection is WARNING not possible.
  • Page 38 5. Consumable Replacement Activated Carbon Filter Replacement WARNING Do not replace the activated carbon filter in a hazardous area. An activated carbon filter is installed inside the CO sensor for the purpose NOTE of removing alcohol or interference gases like H2S. Replace it with a new one, as required.
  • Page 39 5. Consumable Replacement Remove activated (6) Remove the activated carbon filter and two Sensor cover carbon filter O-rings from the sensor cover. (7) Replace the activated carbon filter with a new one. Install the new activated carbon filter and the two O-rings in the order shown in the drawing below.

  • Page 40: Battery Replacement

    5. Consumable Replacement Battery Replacement When the battery level becomes low, the BATT. light flashes and the gas detector beeps. If battery level drops further and nears empty, the “Battery empty” message is displayed then the gas detector automatically turns off. When the battery level is low, replacement is recommended before they become empty.

  • Page 41: Maintenance

    6. Maintenance This product is precision equipment. The periodic maintenance below is essential to maintain the detector’s performance and ensure safety. In the event of a failure to follow the Safety Precautions (pages 3 and 4), such as impact shock from dropping or water ingress inside the detector, or use in the conditions outside its Specifications (pages 43 to 45), such as detecting gas concentration exceeding the specified range, or use in temperature/humidity exceeding the specified range, please contact us for inspection (fees apply).

  • Page 42: Annual/Semiannual Inspection

    6. Maintenance Check item Description Check the battery levels of the gas detector and optional alarm unit. The battery level of the gas detector is always displayed at the bottom right corner. To check the battery level of the alarm unit, press the MENU button to access the MENU screen.

  • Page 43: Troubleshooting

    7. Troubleshooting Before requesting repair, please refer to the table below. If the detector fails to operate, remove the batteries and install them again. Wait a few minutes then turn on the detector. ■ Gas detector Problem Cause Steps Reference Battery orientation Remove the batteries and Pressing the POWER button does...

  • Page 44: Warranty

    8. Warranty The warranty period is one (1) year from the date of purchase. You are entitled to the limited warranty, if the product malfunctions due to a manufacturing defect during normal use in accordance with the instruction manual, specifications and labels. 1.

  • Page 45: Specifications

    9. Specifications ■ Gas detector Model XP-302M-R Combustible Target gas Oxygen Hydrogen sulfide Carbon monoxide Detection principle Catalytic Galvanic cell Electrochemical Electrochemical Gas sampling Suction method Detection range 0-100%LEL 0-25vol% 0-30ppm 0-150ppm ≦100ppm: (Service range) (101-110%LEL) (25.1-50vol%) (30.1-150ppm) (151-300ppm) Reading accuracy Within ±10ppm (service range Within ±5%LEL...
  • Page 46 10. Specifications ・Gas concentration display format switching Standard display: 3 or 4 numeric gas concentrations with their bar graphs, temperature, date and time simultaneously displayed. Trend graph display: The last 54 peak values in trend graph for 3 or 4 gases.

  • Page 47: Explosion Proof Specifications

    10. Specifications Explosion proof specifications ■ Gas detector Model XP-302M-R Ex ibd IIB T3 X This product is an intrinsically safe device as a whole (ib) and Type of protection uses a combustible gas sensor which employs a flameproof enclosure. Degree of protection (IP code) IP20 Power source: 3.0 VDC, 0.35 A (Panasonic alkaline AA battery...

  • Page 48: Detection Principle

    10. Detection Principle  Galvanic cell sensor (Oxygen) The sensor consists of two electrodes, a membrane and an electrolyte. The electrodes are two different metals, noble metal (Pt, Ag) and base metal (Pb). The noble metal electrode has contact with air via a Teflon membrane. Connecting load resistance to both electrodes generates a potential difference, which promotes the following reactions: ...

  • Page 49: Glossary

    11. Glossary Term Definition Oxygen Hydrogen sulfide COMB Combustible gas Carbon monoxide Zero adjustment Adjusting the zero point (or 21.0% for oxygen) in clean air. (zeroing) Clean air: air free from target or interfering gases, and composed of 20.9-21.0vol% oxygen in dry conditions. Gas atmosphere: Air containing target or interfering gases.
  • Page 50 11. Glossary Term Definition Hazardous area An area in which an explosive atmosphere is present, or may be expected to be present, in quantities such as to require special precautions for the construction, installation and use of electrical apparatus. Non-hazardous area An area in which an explosive atmosphere is not expected to be present in quantities such as to require special precautions for the construction, installation and use of electrical apparatus.
  • Page 51 This page intentionally left blank.
  • Page 52 Additional copies of this instruction manual may be purchased. Contact New Cosmos or its authorized representative for ordering. Authorized representative: Manufacturer: NEW COSMOS ELECTRIC CO., LTD. 2-5-4 Mitsuya-naka, Yodogawa-ku, Osaka 532-0036, Japan URL: http://www.new-cosmos.co.jp/ XP-302M-RET（00）1807.100...

This manual is also suitable for:

Xp-302m-r-b-1Xp-302m-r-c-1Xp-302m-r-a-2Xp-302m-r-b-2Xp-302m-r-c-2

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