Toxi Rae Meter Flashcards

1
Q

What do we have to know prior to using these meters?

A

What gas are we dealing with (the meter is a gas specific meter)

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2
Q

What 3 gas sensors are supplied for this meter?

A

Ammonia (NH3)

Chlorine (Cl2)

Cyanide (HCN)

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3
Q

What can you do if the meter fails to stay powered up?

A

Battery is dead, recharge unit asap.

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4
Q

What powers the meter?

A

Lithium ion rechargeable battery. (Toxi Rae should be kept on charger when not in use)

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5
Q

What does it mean that the Toxi raw is a “passive” meter?

A

The meter does not have a pump to pull the gas through. (You can not use a hose or wand.

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6
Q

What does the alarm indication code (MAX) mean?

A

Gas exceeds electronics max range

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7
Q

What does the alarm indication code (OVER) mean?

A

Gas exceeds measurement range

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8
Q

What does the alarm indication code (HIGH) mean?

A

Gas exceeds “high alarm” limit

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9
Q

What does the alarm indication code (LOW) mean?

A

Gas Exceeds “Low alarm” limit

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10
Q

What does the alarm indication code (STEL) mean?

A

Gas exceeds “STEL” limit

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11
Q

What does the alarm indication code (TWA) mean?

A

Gas exceeds “TWA”limit

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12
Q

What does the alarm indication code (CAL) mean?

A

Calibration failed/needs calibration

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13
Q

What does the alarm indication code (BAT) mean?

A

Low Battery

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14
Q

How can you find the measurement ranges for each sensor?

A

Meter will tell you the measurement ranges for each sensor during the meter warm up cycle

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15
Q

How long do the “Smart Cells” last?

A

About 2 yrs

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16
Q

True/False The Toxi Rae meter can be taken into high temps/moisture

A

False

17
Q

True/False exposures to high concentrations can damage cell

A

True

18
Q

What can happen if the sensor goes to long without an electrical charge?

A

The meter can “die”

19
Q

What must be done when the meter is exposed to “very high” concentrations of gas.

A

The meter must be left running until cleared (may take hrs to clear)

20
Q

HCN values

A

IDLH- 50ppm
Meter Max- 50ppm
Low Alarm- 4.7ppm
High Alarm- 25ppm

21
Q

NH3 Values

A

IDLH-300ppm
Meter Max- 100ppm
Low Alarm- 25ppm
High Alarm- 50ppm

22
Q

Cl2 Values

A

IDLH- WISER 10ppm (30ppm)
Meter Max- 50ppm
Low Alarm- 0.5ppm
High Alarm- 1ppm

23
Q

CO2 values (separate meter)

A

IDLH-40,000ppm(under 1000ppm normal)
Meter Max- 49,999ppm
Low Alarm- 2500ppm
High Alarm- 5000ppm