Wigam 8857 User Manual Download Page 4

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Surface temp.

Air te mp.

Air humidity

Emissivity

IR indicator

Battery ___

ind ic a tor

CONTROLS AND INDICATORS

LCD DISPLAY

Key

- Press to measure surface temp. by
activating IR function.
- Released to hold the surface temp.
Value.
- Press

and

at the same

time to inactivate laser targeting
function or activate targeting function.

Summary of Contents for 8857

Page 1: ...Laser Infrared Hygro Thermometer User s manual ENGLISH...

Page 2: ...it is not retracted The psychrometer is a micro processor based design A must device for HVAC engineers use No need to whirl the meter or refer to the chart Easy to get wet bulb dew point and surface...

Page 3: ...AC to DC adaptor is optional RS232 cable is optional WARNING Important Press the gear damper device before operation While the sensor is retracted the air temp and humidity will not be displayed on th...

Page 4: ...r Battery ___ indicator CONTROLS AND INDICATORS LCD DISPLAY 1 Key Press to measure surface temp by activating IR function Released to hold the surface temp Value Press and at the same time to inactiva...

Page 5: ...back light 4 Key Press to select the operation mode from air temp dew point to web bulb Press for 2 seconds to show T1 dew point T1 surface temp 5 Key Press to change temp unit Press for up when setti...

Page 6: ...g Press above keys again to activate laser targeting PARAMETER SETTING Unit will turn itself off after 5 minutes To override auto power off function press When n appears release keys and unit now is i...

Page 7: ...ash on the left side Pressing for up and for down Press again to save parameter and back to normal Fig C Press key to show the DP on the LCD Press again to show the Wb on the LCD Press again to show t...

Page 8: ...ries immediately 1 Open the battery cover on the rear side 2 Remove the expired batteries 3 Insert new 4pcs AAA batteries and make sure the batteries are inserted with correct polarity put on the cove...

Page 9: ...nter 75 3 calibration 4 Also 75 2 will flash on LCD After 30 minutes the flashing stops to indicate the whole calibration has been completed and the calibration data has been saved in memory Press key...

Page 10: ...xC Hxx x Txx xC Txx xCLRCCRLF Where The 1 value is IR temp the st 2 value is Air temp the 3 value is nd rd Humidity the 4 value is Wet bulb th the 5 value is Dew point th The x here means one of 0 1 2...

Page 11: ...immediately a Circuit error in RH measurement channel return the meter to the dealer for repairing 3 Display disappear a Check whether the low battery indicator displayed before Display disappear if...

Page 12: ...play E1 a Circuit error in temperature measure ment channel return to dealer for repairing 9 MIDDLE display E2 a Dp is out of the range 50 degree C b If always display E2 while air temp is between 20...

Page 13: ...H Wet bulb range o o 21 6 49 9 C 6 88 122 F Dew point range o o 68 49 9 C 90 4 122 F IR temp range o o 40 500 C 40 932 F Accuracy RH 3 at 10 90 others 5 o o Air temp 1 F 0 6 C o o IR temp 2 or 2 C 20...

Page 14: ...damage in shipment and insured against possible damage or loss WARRANTY The meter is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase Th...

Page 15: ...er Sound Level Meter Air Flow meter Infrared Thermometer K type Thermometer K J T type Thermometer K J T R S E type Thermometer pH Meter Conductivity Meter T D S Meter D O Meter Saccharimeter Manomete...

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