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Ref.No.

062017 

STORAGE & CLEANING 

It should be stored at room temperature. The sensor lens is the most delicate part of the thermometer. The lens should be kept clean at all times, 

care should be taken when cleaning the lens using only a soft cloth or cotton swab with water or medical alcohol, allowing the lens to fully dry 

before using the thermometer. Do not submerge any part of the thermometer. 

LCD ERROR MESSAGES 

The thermometer incorporates visual diagnostic messages as follows: 

‘Hi’ or ’Lo’ is displayed when the temperature being measured is outside of the settings of HAL and LAL. 

 

‘Er2’ is displayed when the thermometer is exposed to rapid changes in the ambient temperature. ‘Er3’ 
is displayed when the ambient temperature exceeds 0

o

C (32°F) or +50

o

C (122°F). The thermometer 

should be allowed plenty of time (minimum 30 minutes) to stabilize to the working/room temperature. 

Error 5~9

, for all other error messages it is necessary to reset the thermometer. To reset it, turn the 

instrument off, remove the battery and wait for a minimum of one minute, reinsert the battery and turn 

on. If the error message remains please contact the Service Department for further assistance. 

‘Hi’ or ’Lo’ is displayed when the temperature being measured is outside of the measurement range.

 

BATTERIES

 

The thermometer incorporates visual low battery indication as follows: 

‘Battery OK’: measurements 

  are possible 

‘Battery Low’: battery needs to be   

replaced, measurements are still possible 

‘Battery Exhausted’: measurements are not 

possible 

When the ‘Low Battery’ icon indicates the battery is low, the battery should be replaced immediately with AA, 1.5V batteries. Please note: It is 

important to turn the instrument off before replacing the battery otherwise the thermometer may malfunction. 

Dispose of used battery promptly and keep away from children. 

SPECIFICATION 

Item 

Non-contact Infrared Scan function 

Thermocouple Probe Scan function 

(K type; probe not included.) 

Measurement Range 

-35 to +1600

 o

C (-31 to +2912

 o

F)

-64 to +1400°C (-83.2 to +2552°F)

Operating Range 

0 to +50°C (32 to +122°F) 

Accuracy(Tamb=23±3°C)  Tobj=-35~0: ±(2°C+0.05/degC)°C, 

Tobj=0~1600: ±2% of reading or 2°C (4°F) whichever is greater 

±1% of reading or 1°C (1.8°F) whichever is 

greater (Test under Tamb=23±6

°

C) 

Emissivity Range 

0.95 default – adjustable 0.1 to 1 step .01 

Resolution 

0.1°C/0.1°F at -83.2 to 999.9(°C/°F), otherwise 1°C/1°F 

Spectral Range 

8~14

μ

Response Time (90%) 

1sec 

Distance:Spot 

60:1 (90% energy covered) 

Internal Memory 

Detailed 24 Memories with Temperature & Emissivity 

External Memory Type 

Support 8G micro SD card (Recommend to use the attached SD card). 

If SD card data logger is failed, please reset the switch

11

 

USB Function 

Please download the program from CD. (CD & USB cable are enclosed with the package) 

Output Interface 

SPI, USB, SD card 

Battery Life 

Typical 14, min 10 hours continuous use (Alkaline, with laser and backlight) 

Dimensions 

202.99*176.07*58.31 mm (7.99×6.93×2.30 inch) 

Weight 

401 grams (14.14 oz) including batteries (AA*2pcs) 

Note: Under the electromagnetic field of 3V/m from180 to600 MHz, the maximum error is 10 

o

C (18 

o

F). 

  Caution: The measure range is for thermometer only. User should choose proper probe types for different kinds of application. 

Please make sure the  target  to be measured will not exceed the temperature  range of the probe to avoid  permanent damage of 

the thermocouple probe. 

Caution: To avoid electric shock and thermometer damage, do not measure live circuit where voltage exceeding 24V AC RMS or 

60V DC  with the thermocouple probe. 

 

EMC/RFI: 

Readings may be affected if the unit is operated within radio frequency electromagnetic field strength of 

approximately 3 volts per meter, but the performance of the instrument will not be permanently affected.

Summary of Contents for OS758-LS

Page 1: ...e mail info omega com For latest product manuals www omegamanual info OS758 LS Non contact Infrared Thermometer TM Shop online at omega com User sGuide NORWALK CT ...

Page 2: ...otice Servicing North America Omega Engineering Inc 800 Connecticut Ave Suite 5N01 Norwalk CT 06854 Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Canada only Engineering Service 1 800 872 9436 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide omega com info omega com U S A Headquarters ...

Page 3: ...with Thermocouple socket 5 and put the probe in on the target the thermometer will display the temperature automatically without pressing any button To see the minimum or maximum data during the probe measurement please hold down the Up key 4 or Down key 3 After measure high temp the probe may remain HOT for a while After taking the temperature press Mode key 2 for the Memory M00 then press Meas k...

Page 4: ...tion Dispose of used battery promptly and keep away from children SPECIFICATION Item Non contact Infrared Scan function Thermocouple Probe Scan function K type probe not included Measurement Range 35 to 1600 o C 31 to 2912 o F 64 to 1400 C 83 2 to 2552 F Operating Range 0 to 50 C 32 to 122 F Accuracy Tamb 23 3 C Tobj 35 0 2 C 0 05 degC C Tobj 0 1600 2 of reading or 2 C 4 F whichever is greater 1 o...

Page 5: ...GA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows ...

Page 6: ...rs M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U Industrial pH Conductivity Equipment DATA ACQUISITION M U Communications Based Acquisition Systems M U Data Logging Systems M U Wireless Sensors Transmitters Receivers M U Signal Conditioners M U Da...

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