background image

 
 

 

Note: The battery compartment, tilt stand, tripod mount, and probe 
holder removal screw are located on the rear of the instrument 

 

Display Description 

 

 

 

MAX (top of LCD): Max Hold function engaged for the Air 
Temperature function 

 

 

HOLD (top of LCD): Data Hold 
function engaged for the Air 
Temperature function 

 

 

PROBE TEMP: Reminder that 
the top LCD digits represent Air 
(Probe) Temperature 

 

 

 : Indicates that the laser 

pointer is on. 

 

 

IR TEMP: Indicates that the 
larger LCD digits represent IR 
temperature measurement 

 

 

MAX (bottom of LCD): Max Hold for the IR Temperature and RH 
function 

 

 

HOLD (bottom of LCD): Data Hold for the IR Temperature function 
and RH function 

 

 

o

C / 

o

F: Temperature units of measure 

 

 

%RH: Relative Humidity unit of measure 

 

 

Large LCD digits at center of display for Relative 

Humidity and IR Temperature Smaller LCD digits 

at top, right of display for Probe Temperature 

 

 : Low battery indicator 

 
 
 

Summary of Contents for RHT70

Page 1: ...User Manual RHT70 Hygro Thermometer IR Thermometer...

Page 2: ...r for convenient targeting Safety Use extreme caution when the laser pointer beam is on Do not point the beam toward anyone s eye or allow the beam to strike the eye from a reflective surface Do not u...

Page 3: ...s represent Air Probe Temperature Indicates that the laser pointer is on IR TEMP Indicates that the larger LCD digits represent IR temperature measurement MAX bottom of LCD Max Hold for the IR Tempera...

Page 4: ...ed 3 Press and hold the large red IR button to begin measuring the surface temperature of a desired target IR TEMP and will appear on the display The laser pointer will switch on to help aim the meter...

Page 5: ...ote that in IR temperature mode Data Hold is automatically engaged when the red IR button is released MAX Buttons Press the MAX button bottom of meter for Air Temperature center of meter for IR temper...

Page 6: ...ments To find a hot spot aim the meter outside the area of interest then scan across in an up and down motion until the hot spot is located IR Theory IR thermometers measure the surface temperature of...

Page 7: ...of the meter 4 Remove the small Phillips head screw on the rear of the meter 5 Open the battery compartment and replace the 9V battery 6 Re assemble the meter before operating Never dispose of used ba...

Page 8: ...chamber or humidity calibration bottle and wait 20 minutes 3 Turn the meter on and turn the adjustment until the humidity reading on the display agrees with the calibration source Specifications Funct...

Page 9: ...80 RH non condensing Power Supply 9V Battery with auto power off after 10 minutes Battery Life Approx 24 hours if Backlight and Laser are used continuously the battery life is reduced to 2 to 3 hours...

Page 10: ...f purchase This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way or purchased from unauthorized distributors so as in our sole judg...

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