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1.  With the instrument in the carry case, 

press and hold the ON/MENU button 

until the screen illuminates (instrument 

may require charge before use). 

 

2.  Make sure the path between the 

calibration cell and instrument is 

unobstructed and both the cell and 

instrument are fully seated in the case. 

3.  A “bump test” can be performed by 

pressing and releasing the MEASURE 

button. Wait for 5 seconds and press 

and release the MEASURE again to 

deactivate. A MAX ppm-m result (located 

lower left on display) should display 1500 

ppm-m (3.0%LEL / 0.15%V/V) or higher. 

 

If the result is less than 1500 ppm-m 

(3.0%LEL / 0.15%V/V), attempt the bump 

test again. If still  unsuccessful, refer  to the 

owners manual for calibration instructions. 

4.  Remove the instrument from the case. Point 

the instrument at an area of concern, press 

and release the MEASURE button. Using 

the “green” spotter laser, slowly scan the 

area in an “S” or “Z” pattern to maximize 

coverage. NOTE: The laser needs 

sufficient  reflection  off  of  an  object  for 

proper operation.  If not achieved, REF/L 

(reflection low) or REF/H (reflection high) 

may be shown.  Reposition or approach 

from a different angle and try again. 

 

5.  For detection through widows, avoid 

90 degree detection and maintain 

distances greater than 5 meters. 

6.  When your investigation is complete, 

stop the measurement by pressing 

and releasing the MEASURE button. 

7.  To power the instrument off, press and 

hold the OFF/BACK button until display 

goes completely dark.

LZ-30

Quick Start

WARNING: 

AVOID EYE CONTACT WITH LASER.

Alarm

  -  (preset  and  adjustable,  visual/

audible/vibration) Three levels 20%, 50% and 

100% of alarm set point.

PLEASE REFER TO OWNERS MANUAL 

FOR COMPLETE DETAILS ON THE 

AFOREMENTIONED AND MORE!

Laser (color and function)

 

IR Laser

 = laser that is tuned for methane 

detection, not in the visible spectrum.

Green

 = Spotter laser, represents location 

of IR laser

Red 

= Distance laser, represents the 

distance in meters at which the IR laser is 

traveling.

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