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11

(5)  MODE button

:  The on/off "Mode"

button is used to turn the instrument on and
off as well as control most day-to-day
functions.

(6)  Protective cap:

  A protective O-ring

sealed cap and moisture barrier filter are
protect the sensor from damage.

(7)  Sensor:

  The top-mounted sensor may

be easily accessed for replacement or
repair.

(8) 

 

Bottom surface

:  The stainless steel

belt clip may be removed to allow access to
the 4 hidden push-buttons ("CAL", "ALM",
"+" and "-") used to control advanced
functions.

Bright LED alarm
light

One button controls all normal
day-to-day operations including
Auto Calibration adjustment

Accurate
electrochemical
sensor

Easy to read LCD
display with backlight

Loud two-tone
audible alarm

Optional built-in
vibrator alarm for
high noise
environments

Figure 1.1:  Toxi Plus external features

Belt clip

Battery
compartment
cover

Figure 1.2:  Toxi Plus bottom surface

1.11 Toxi Plus accessories

Toxi Plus detectors are shipped complete
with sensor, set of three AAA alkaline
batteries (installed), calibration adaptor,
owner’s manual and quick reference card.
Optional Toxi Plus accessories include
sample draw kit, weather cover, training
video, and internally mounted vibrator
alarm (vibrator option must be specified at
time of purchase).

Содержание Toxi Plus

Страница 1: ...0 Reference Manual Toxi Plus Single Sensor Gas Detector 651 South Main St Middletown CT 06457 860 344 1079 FAX 860 344 1068 04AUG2004 P N 13 044 Version 3 3...

Страница 2: ...1...

Страница 3: ...ONS IT IS ESSENTIAL THAT THE INSTRUCTIONS IN THIS MANUAL BE READ FULLY UNDERSTOOD AND FOLLOWED AVERTISSEMENT LIRE ATTENTIVEMENT LES INSTRUCTIONS AVANT DE METTRE EN MARCHE Toxi Plus Operation Manual Co...

Страница 4: ...mote sample draw assembly 10 1 9 4 Weather cover 10 1 9 5 Training video 10 1 10 Toxi Plus design components 10 1 11 Toxi Plus accessories 11 Chapter 2 Basic operation 12 2 1 Overview of Toxi Plus ope...

Страница 5: ...Re setting the calibration gas concentration 25 4 3 Setting the security beep interval 26 Chapter 5 Trouble Shooting and Repair 27 5 1 Replacing Toxi Plus sensor 27 5 2 Troubleshooting 27 5 2 1 Unit w...

Страница 6: ...to day operation including fully automatic calibration adjustment through use of the single on off Mode button The Toxi Plus is Classified by Underwriters Laboratories Inc and the Canadian Standards...

Страница 7: ...oxi Plus instruments should be checked periodically with known concentration calibration gas Failure to check accuracy can lead to inaccurate and potentially dangerous readings 5 A sensor that cannot...

Страница 8: ...7...

Страница 9: ...us is designed to detect is determined by the sensor The type of sensor must be specified at the time the instrument is purchased The types of sensors currently available include substance specific el...

Страница 10: ...With the alarms latched once an alarm occurs both visual and audible alarms continue to sound even after the atmospheric hazard has cleared The instrument must be manually reset to silence the alarms...

Страница 11: ...nd H2S The sensor selected must be specified at the time of purchase 1 9 2 Vibrator alarm An internally mounted vibrating alarm is optionally available for use in high noise or other environments requ...

Страница 12: ...trols all normal day to day operations including Auto Calibration adjustment Accurate electrochemical sensor Easy to read LCD display with backlight Loud two tone audible alarm Optional built in vibra...

Страница 13: ...ator alarm will briefly activate During start up the LCD display will also show several messages or screens in sequence The first screen displays the software version number Note The software version...

Страница 14: ...ormal operation of the instrument resumes 2 2 3 Technician mode Technician Mode provides access to all advanced functions and displays When the instrument is turned on in the Technician Mode following...

Страница 15: ...nging operating modes It s possible to change operating modes while the instrument is in use without affecting the on going calculations used to determine Peak STEL and TWA alarms Simply slide the bel...

Страница 16: ...moisture barrier filter Normal air movements are enough to carry the sample to the sensor The sensor reacts to changes in the concentration of the gas being measured Values are quickly updated and dis...

Страница 17: ...kits and long lasting cylinders of test gas specifically developed for easy Toxi Plus calibration Customers are urged to use Biosystems calibration materials when calibrating their Toxi Plus detector...

Страница 18: ...ach is usually to use a direct reading substance specific sensor If hydrogen sulfide is known to be potentially present the sensor selected should be specifically for the detection of H2S and calibrat...

Страница 19: ...esh air If the Toxi Plus is operated in either the Basic or Technician mode readings should equal 0 PPM If the instrument is operated in the Text Only mode all readings should indicate conditions are...

Страница 20: ...initiating auto calibration procedures 3 Make sure the instrument is located in an area where the air is known to be fresh 4 Press the MODE button 3 times within two seconds This will wake up the inst...

Страница 21: ...as it is screwed into the cylinder of gas 3 The instrument will display the sensor readings as they rise When they have stabilized at their highest value the instrument will note the response and if...

Страница 22: ...ly which verifies that the zero values have not been changed The instrument will then return to normal operation 3 5 2 Span calibration using keypad buttons Span calibration procedures using buttons o...

Страница 23: ...it may indicate that the sensor is unresponsive or dead and requires replacement 11 When span calibration has been completed press and hold the Cal button down until the LCD screen indicates that cal...

Страница 24: ...o sound even after the atmospheric hazard has cleared Press the MODE button to reset the instrument silence the alarms and restore normal operation Procedures for latching Toxi Plus alarms are given i...

Страница 25: ...ode as discussed in Section 2 2 4 then turn the instrument off 2 Turn the instrument on while pressing and holding down the Alarm button This will place the instrument in the Alarm Adjust Mode 3 Adjus...

Страница 26: ...ry When gas is applied to the sensor during auto calibration the instrument automatically adjusts the sensitivity of the carbon monoxide to produce readings that match this 50 PPM concentration Sensor...

Страница 27: ...ocedure to turn the security beep on 1 Make sure the Toxi Plus detector is in the Technician mode as discussed in Section 2 2 4 then turn the instrument off 2 Turn the instrument on while pressing and...

Страница 28: ...g and repair procedures that can be done in the field Caution The following repair procedures should only be performed by authorized personnel 5 2 1 Unit will not turn on Possible causes Battery disch...

Страница 29: ...ny calibration gas fittings take the instrument to fresh air and allow readings to stabilize Do a manual fresh air zero adjustment using buttons on the instrument keypad as discussed in Section 3 5 1...

Страница 30: ...ood example of an acutely toxic substance which is immediately lethal at relatively low concentrations Exposure to a 1 000 PPM parts per million concentration of H2S in air produces rapid paralysis of...

Страница 31: ...osure limits which are higher than the eight hour TWA The STEL is the maximum average concentration to which an unprotected worker may be exposed in any fifteen minute interval during the day During t...

Страница 32: ...rms should be set If OSHA has not determined a ceiling value for greatest safety the Toxi Plus ceiling alarm should be set at the same value as the STEL alarm If OSHA has not determined a STEL value t...

Страница 33: ...alibration easy in this case it is necessary to use special calibration Zero Contaminant gas This gas cylinder Biosystems part number 9039 is used in conjunction with the sample draw calibration adapt...

Страница 34: ...H2S Sulfur dioxide SO2 CO 100 10 100 25 0 H2S 10 100 350 100 0 SO2 10 20 65 15 100 NO 30 0 25 6 0 NO2 15 20 60 15 120 Cl2 10 20 40 10 5 H2 60 5 60 15 0 HCN 15 0 40 10 50 HCl 3 0 5 1 0 NH3 0 0 0 Ethy...

Страница 35: ...e instrument is in service Toxi Oxy Pro 2 years from date of purchase Toxi Oxy Limited 2 years after activation or 2 years after the Must Be Activated By date whichever comes first Mighty Tox 90 days...

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