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This product is an oxygen
detector that complies with
JIS T 8201:2010
XO-326IIsA
XO-326IIsB
XO-326IIsC
Digital Oxygen Indicator
Instruction Manual
This instruction manual is for the three models listed to the left.
Keep this manual for easy reference.
•
Carefully read this manual prior to use.
•
Document No.: XO-326IIT
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Table of Contents
Related Manuals for New Cosmos Electric XO-326IIsA
Summary of Contents for New Cosmos Electric XO-326IIsA
- Page 1 This product is an oxygen Digital Oxygen Indicator detector that complies with JIS T 8201:2010 Instruction Manual XO-326IIsA This instruction manual is for the three models listed to the left. XO-326IIsB Keep this manual for easy reference. •...
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Page 2: Table Of Contents
Table of Contents Package Contents ....................1 1. Introduction ....................... 2 Explosion-proof Requirements (Japan) ............. 2 Symbols Used in this Manual ................3 Safety Precautions .................... 3 2. Unit and Components ..................5 XO-326IIs ......................5 Leather Case ....................7 3. -
Page 3: Package Contents
Package Contents A standard package consists of the following items. If any items are missing or damaged, please contact New Cosmos or its authorized representative for replacement. Item Quantity Digital oxygen indicator with leather case Shoulder strap Replacement filter element (FE-2) 1 set 2 pcs/set Panasonic alkaline AA battery (LR6X) -
Page 4: Introduction
1. Introduction Thank you for purchasing the New Cosmos XO-326IIs series digital oxygen indicator (product, detector, or unit). Prior to use, please read this instruction manual carefully to ensure safe and reliable operation. This product measures the concentration of oxygen while working in pits, manholes, wastewater treatment tanks, basement, tanks, etc. -
Page 5: Symbols Used In This Manual
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 DANGER death or serious injury Indicates a potentially hazardous situation that may result in death WARNING or serious injury... - Page 6 ▪ If this product is to be unused or stored for an extended period of CAUTION time, the batteries must be removed. Leaving them inside while the product is unused or stored for an extended period of time will drain them and cause them to leak, which will lead to product failure.
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Page 7: Unit And Components
2. Unit and Components XO-326IIs XO-326IIsA XO-326IIsB XO-326IIsC - 5 -... - Page 8 Spool for winding and storing the cable 1 m cable (curl cord type) Extension cable (for XO-326IIsB) 5 m cable Extension cable (for XO-326IIsA) 10 m cable Extension cable (for XO-326IIsC) Alarm LED Blinks red when a gas alarm is detected...
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Page 9: Leather Case
Leather Case For XO-326IIsA For XO-326IIsB For XO-326IIsC Item Component Function Shoulder strap bracket Attaches the shoulder strap Sensor pocket Stores a sensor unit Side pocket Stores a quick start guide - 7 -... -
Page 10: Operating Procedure
3. Operating Procedure Perform a routine check prior to use (page 16). WARNING Battery Gas concentration STEPS Detection Power off Power on installation screen 1. Battery installation Units are shipped without batteries. Remove the battery cover and then install the two supplied batteries. - Page 11 Air adjustment (21% adjustment) When the blinking gas concentration value (sensor life indicator) changes to “21.0%”, it means that air adjustment is complete and the unit is ready for detection. Sensor life indicator Air adjustment is complete Check that “23.0%” (sensor life indicator) blinks during air adjustment. As NOTE the sensor gets closer to the end of its life, the value will become smaller.
- Page 12 stage and 2 stage gas alarm operation When the gas concentration exceeds the 1 or 2 stage gas alarm set value, the unit will start beeping, and the gas concentration value and alarm LED will blink. stage gas alarm stage gas alarm ▪...
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Page 13: Error Codes
4. Error Codes If an abnormality occurs in the unit, the corresponding error code will be displayed on the LCD, the unit will start beeping, and the alarm LED will start blinking red. The table below lists major error codes. If an error occurs, take necessary actions according to the displayed error code. -
Page 14: Consumable Replacement
5. Consumable Replacement 5.1. Filter Element Replacement Replace the filter element with a new one if it is dirty or wet. ▪ Ensure that the filter element is aligned and installed correctly. CAUTION Misalignment may compromise gas detection and waterproof performance. -
Page 15: Battery Replacement
5.2. Battery Replacement ▪ Do not replace the batteries in a hazardous area. WARNING ▪ Only use specified batteries (Toshiba alkaline AA battery LR6, Panasonic alkaline AA battery LR6X, or Duracell alkaline AA battery MN1500). The use of unspecified batteries may impair the product’s explosion-proof performance. -
Page 16: Sensor Replacement
3) Pull the red ribbon to remove the batteries from the battery compartment. Shift the red ribbon to the right and pull it NOTE to remove the batteries. Red ribbon nstall the batteries in the correct orientation. Incorrect WARNING orientation may cause them to leak or discharge, leading to device failure or shorter operating time. - Page 17 3) Install a new oxygen sensor into the sensor base as follows: Align the sensor’s connector pins (2 places) into their corresponding holes on the sensor base. Push the sensor top until the sensor bottom makes contact with the sensor base. (The oxygen sensor uses asymmetrical arrangement of its connector pins to prevent incorrect mating.) When installing an oxygen sensor, ensure that the sensor’s WARNING...
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Page 18: Maintenance
6. Maintenance This product is a precision instrument. Please perform the periodical checks and inspections below to maintain the product’s optimal 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 product—or use in conditions outside the specifications (page 19), such as usage in temperature/humidity exceeding the specified range, please contact New Cosmos or your New Cosmos representative for inspection... -
Page 19: Troubleshooting
7. Troubleshooting Before contacting us for service repair, perform basic troubleshooting using the table below. If the product locks up, turn off the unit. After more than 3 seconds, remove all batteries. After a few minutes, put the batteries back in and turn on the product. Do not remove the batteries immediately after the unit is turned off. -
Page 20: 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. Warranty Scope If the product fails or is found to be damaged due to a manufacturing defect during the warranty period, and used in accordance with the instruction manual and specifications,... -
Page 21: Specifications
9. Specifications Model XO-326IIsA XO-326IIsB XO-326IIsC Cable length 10 m (Curl cord type) Target gas Oxygen Detection principle Galvanic cell sensor Sampling method Diffusion Measuring range 0–25.0 vol% (25.1–40.0 %) (Service range) Accuracy +/- 0.5 vol% Resolution 0.1 vol% Gas alarm set value stage: 19.5 vol% 2... -
Page 22: 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: Noble metal electrode:... -
Page 23: Glossary
11. Glossary Term Definition Target gas Specific gas to be detected and used to trigger alarms. Detection range or A range of target gas concentrations that can be measuring range displayed and can trigger alarms. Service range A range of target gas concentrations that the detector can indicate, which are usually outside the Detection Range and used only as reference. - Page 24 Additional copies of this instruction manual may be purchased. Contact New Cosmos or its authorized representative for ordering. The contents of this manual are subject to change without notice. Authorized representative: Manufacturer: NEW COSMOS ELECTRIC CO., LTD. 2-5-4 Mitsuya-naka, Yodogawa-ku, Osaka 532-0036, Japan www.newcosmos-global.com XO-326ⅡsET（03）●●.●●...
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