 |
|
HANDHELD
INFRARED THERMOMETERS |
|
|
|
Testo 825-T4
Non-Contact, Contact thermometer
|
|
|
825-T4 Non-contact infrared thermometer. Laser sighting
The Testo 825-T4 are
non-contact infrared thermometers and contact thermometers in one compact
instrument.
You can measure the temperature on rotating, inaccessible or
live objects conveniently and
safely using the infrared side of this
multi-function measuring instrument.
The contact side is equipped with the
super-quick, Testo sprung thermocouple.
Reliable and accurate measurements
are possible in uneven surfaces.
The supplied TopSafe case protects the instrument from dust, impact and water
|
 |
Applications:
-
Checks surface temperatures, e.g. on
transformer windings.
-
Checks heat sink temperatures.
-
Measures temperatures of car radiators.
-
Checks bearing temperatures of
bearings
and gears.
-
Measurements on live electrical parts.
|
|
|
|
|
|
|
Testo 825-T4
-
Infrared and contact measurements in one
instrument.
-
TopSafe case and wall/belt holder included
as standard.
-
Contact probe can be used to calibrate the
infrared sensor.
-
Adjustable emissivity.
-
Programmable upper and lower limits with
visual alarm.
|
Testo 825-T4
As above but with the additional features:
- Laser sighting to mark the location of measurement.
- Audible alarm if programmable limits
exceeded.
|
Technical
Specifications
| Measuring
Range |
-50 To
+400°C
|
| Resolution |
0.5°C |
| Accuracy |
±2°C or
±2% of measured value (the larger value applies. |
| Measuring
Ratio |
Distance:
Diameter
= 3:1 |
| Emissivity
Factor |
0.20 to
1.00 (user programmable) |
| Response
Time |
<2s |
| Wavelength |
8 to 14um |
| Ambient
Temp |
0 To +50°C |
| Storage
Temp |
-40 To
+70°C |
| Battery
Type |
Testo 825-T4 - 2 x AAA |
| Battery
Lifetime |
Testo 825-T4 - approx. 20h |
| Warranty |
1 Year |
|
Contact
side with surface probe. |
|
| Measuring
Range |
-50 to
+250°C (short term measurements to +500°C) |
| Resolution |
0.1°C |
| Accuracy |
±1°C,
±1% of Measured Value |
| Response
time |
Approx 5
s |
|
