OTIS OI-315 TOCSIN3 Manuale utente

OI-315 TOCSIN3Personal Monitor

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Operation Manual

Revision 2.0

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Product Overview

The Otis Instruments Model OI-315 TOCSIN3Personal Monitor is a safety device

designed to detect the presence of in ambient air. When activated, the OI-315

continuously monitors ambient air for the presence of toxic gas and alerts the user to

potentially unsafe exposure with visual, vibrating, and audible alarms.

The OI-315 features an alligator clip that allows it to be worn on personnel in the

field at all times, as well as: rubber enclosure for shock prevention, water/dust proof

enclosure, adjustable alarm set points, LCD display with LED backlight, data logging

capability, user-replaceable sensor element, and user-replaceable battery.

NOTE: The images in this manual reflect an H2S unit. Some display screen images

may vary slightly from the unit purchased (based on the gas-type).

Table of Contents!

Product Overview ...............................................................................................................2

Introduction.........................................................................................................................5

Complete System Diagram ................................................................................................5

Complete System........................................................................................................................................ 5

LCD Display Symbols ................................................................................................................................. 6

Power On.............................................................................................................................7

Power Off.............................................................................................................................7

Basic Operation ..................................................................................................................8

Gas Measure Mode .................................................................................................................................... 8

LCD Backlight On/Off.................................................................................................................................. 8

Viewing Date and Time...............................................................................................................................8

Setting Date and Time ................................................................................................................................ 9

Alarms and Indicators......................................................................................................10

Setting Alarms........................................................................................................................................... 10

Default Alarm Set Points...........................................................................................................................10

Alarm Displays .......................................................................................................................................... 11

Alarm Indicators ........................................................................................................................................11

Returning to Normal Operating Mode Following a Low Alarm..................................................................11

Returning to Normal Operating Mode Following a High Alarm ................................................................. 12

Indication of Peak Value and STEL / TWA Value ..................................................................................... 12

Battery Notifications ..................................................................................................................................12

Data Logging (Alarm Data) ..............................................................................................13

Fresh Air Calibration ........................................................................................................14

Standard Gas Calibration ................................................................................................15

Battery Replacement........................................................................................................17

Sensor Element Replacement .........................................................................................18

User Notice........................................................................................................................20

Approval Label Notes.......................................................................................................20

Specifications ...................................................................................................................21

! !

Introduction

This document is an Operation Manual containing diagrams and step-by-step instructions for proper

operation of the Otis Instruments, Inc. Model OI-315 TOCSIN3 Personal Monitor. This document

should be read before initial operation of the product.

Should a question arise during the use of the product, this document will serve as a first reference

for consultation. If further questions arise, or if the device is not working properly, please contact

the sales representative of this product.

Complete System Diagram

The following diagrams should be consulted for identification of the system and all

parts that may be referred to in this operation manual.

Complete System

Gas sensor

Buzzer

Green power button

Blue arrow button

LCD display screen

Alarm LED

Belt clip

Type label

LCD Display Symbols

Alarm

Date

First Alarm

Month

Second Alarm

Time

Safety Success

Log Value

Safety Failure

Time Average Level

Alarm

Fresh Air Calibration

Time Average Level

Alarm

Standard Gas Calibration

Max Peak Value

Battery

Min Peak Value

Unit

Power On

To power on the device, press and hold the green power button for approximately three

seconds.

When powered on, the device will vibrate, flash, and sound an audible alarm to verify

that those features are active. After a 10 second countdown, a “V” icon will flash on the

display screen and the current level of measured gas in ambient air will be shown.

When in Gas Detection Mode (Normal Operating Mode), the “V” icon will disappear

(after blinking several times).

NOTE: In the event that stabilization of the device fails, Gas

Measure Mode will not be entered. Instead, a blinking “X” will

appear on the display screen. The “X” indicates that calibration

of the sensor, or aftercare of the instrument, is required.

Power Off

To power off the device, press and hold the green power button for approximately three

seconds. The display screen will countdown the number of seconds remaining until the

device is “OFF.”

NOTE: If the green power button is pressed while the device is not in Gas

Measure Mode, or if the green power button is not held down for the required

amount of time for powering off the device, the device will remain on.

Basic Operation

NOTE: Appropriate calibration of the device is required prior to operation.

Always ensure that the device makes the proper detection response to the

pertinent gas. Verify that foreign materials that could interfere with the detection

of gas are not blocking the area where gas is to be detected.

Gas Measure Mode

Gas Measure Mode is the normal operating mode of the OI-315.

When in Gas Measure Mode, the concentration of gas and remaining

battery life are displayed on the screen.

LCD Backlight On/Off

To turn on the LCD backlight, press the blue arrow button while in Gas Measure Mode.

To turn off the LCD backlight, press the blue arrow button again (or wait approximately

25 seconds for the backlight to turn off automatically).

Viewing Date and Time

1. Press and hold the blue arrow button for three seconds (while in Gas Measure

Mode).

2. When the icon is displayed on the screen, quickly press the blue arrow button.

The preset time ( = a.m. and = p.m.), year, month, and day are sequentially

confirmed (displayed with the icon or character equivalent of it) with each

additional press of the blue arrow button.

3. Press the green power button to return to Gas Measure Mode (or wait several

seconds for the device to automatically return).

Setting Date and Time

1. Press and hold the blue arrow button for three seconds (while in Gas Measure

Mode).

2. When the icon is displayed on the screen, press and hold the green power

button for five seconds. The Date and Time Set Mode is displayed and a number

will flicker.

3. Press the blue arrow button to change the value (to increase the value quickly,

hold down the blue arrow button).

4. Press the green power button to save the value that is displayed on the screen and

proceed to the next display.

NOTE: The year value cannot exceed “2030.“

10!

Setting Alarms

1. Power off the device.

2. To enter Alarm Set Mode, press and hold the blue arrow button for

approximately two seconds. The device will enter 1st Alarm Set Mode.

3. To change the Low Alarm setting, briefly press the green power button. The

display will indicate the current three-digit Low Alarm setting and the first digit

will flash. Press the blue arrow button to increase the digit by one (per press).

NOTE: Each unit value can be set between “0” and “9.”

4. Once the desired value is displayed on the screen, press the green power button to

save the alarm value (and move to the 2nd Alarm Set Mode). Repeat these steps

for the High Alarm.

5. To return to Gas Measure Mode, press the blue arrow button once.

Default Alarm Set Points

Gas

SO2

H2S

Cl2

NH3

NO2

1st

19%

30 ppm

2 ppm

100 ppm

10 ppm

.5 ppm

25 ppm

3 ppm

2nd

23%

60 ppm

5 ppm

500 ppm

20 ppm

1 ppm

35 ppm

5 ppm

TWA

N/A

30 ppm

2 ppm

N/A

10 ppm

.5 ppm

25 ppm

3 ppm

STEL

N/A

200 ppm

5 ppm

N/A

15 ppm

1 ppm

35 ppm

5 ppm

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