VICTOR 303B Digital Laser Infrared Thermometer Temperature Gun
INFRARED THERMOMETER 303B Infrared thermometer with Range -20℃～550℃ Handheld thermometer
Temperature Gauge Digital IR Thermometer
I. Brief Introduction to the Product
The instrument is a professional hand-held non-contact infrared
thermometer, and is featured by convenient use, strict design, high
measurement accuracy, broad temperature measurement range, and with
HEIMANN infrared temperature probe, the product has high measuring
precision and more stable performance etc. It has the functions
like laser aiming, LCD backlight, over-temperature alarm and
automatic shutdown. When being used, the product can measure the
temperature of objects quickly and accurately only with the probing
window aiming at objects.
II. Basic Operating Principles
All objects whose temperature is higher than absolute zero degree
will transmit a certain proportion of infrared radiation energy
according to their own temperature. The size and wavelength-based
distribution of radiation energy have very close relationship with
its surface temperature. According to this theory, we may obtain
the accurate temperature of a measured object by accurately
measuring its infrared transmission energy.
III. Main Technical Indexes
(I) Normal work conditions:
1.Ambient temperature: 10℃～30℃
2.Storage temperature: -10℃～40℃
3.Relative humidity: ≤90%
4.Power supply: One 9V battery (NEDA1604/6F22 or similar model);
(II) Basic size: 97mm×43mm×160mm (L×W×H)
(III) Weight (net weight): 125g (excluding battery)
(IV) LCD resolution (precision): 0.1℃/℉
(V) Measuring range: -20℃～550℃(-4℉～1022℉)
(VI) Power consumption: ≤50mw
(VII) Measuring error: ±2.0℃ or ±2% ( or ±3.0℃ at 0℃-25℃),
whichever is bigger
(VIII) Measuring time: ≤0.5s
(IX) Measuring distance: D:S=12:1 (measuring distance is relative
to object target; measuring condition: vacuum medium).
(X) Automatic shutdown time: 60s
(XI) Safety design standard: Meeting European CE safety standard.
| Signs | Sign Function Description |
| Up | Functional Key: Press “EMITM” key to select the setting of
emissivity, with the sign “ ” displayed simultaneously; press “up”
key for upward adjustment; keep pressing the measuring key, and
then press “up” key to turn on and off backlight. |
| Down | Functional Key: Press “EMITM” key to select the setting of
emissivity, with the sign “ ” displayed simultaneously; press
“down” key for downward adjustment; keep pressing the measuring
key, and then press “down” to turn on and off infrared laser light. |
| Select | Functional key: Press the key circularly to select maximum value
(MAX), average value (AVG), minimum value (MIN), the difference
between the maximum value and minimum value (DIF), data hold
(HOLD), low temperature alarm (LAL), high temperature alarm (HAL),
zero offset adjustment (offset), and emissivity setting (E). |
| EMITM | Press “EMITM” key to select the setting of emissivity, with the
sign “ ” displayed simultaneously; and trigger “up” and “down” to
adjust the emissivity. |
| Down | Press this key to select the conversion of Cels degree |
| ℃ | Temperature unit: Celsius degree |
| ℉ | Temperature unit: Fahrenheit degree |
| Auditory tone cues |
| The appearance of the sign “ ” indicates over low battery voltage. |
| The appearance of the sign “HR” indicates over-high ambient
temperature. |
