testo 905-T2 User guide

180°

Multi-purpose clip

Swivel head. The display can always be read.

	mm	Sprung thermocouple for
150		uneven surfaces, adapts itself
		to the surface.

Multi-pur-

Position measuring head directly on the surface:

wrong

right

	On	Switching on
		Press button once: segment test appears.
		8.88... .8°C			22.2°C
		%					Hold
	On	Press button twice:					21.8°C
		Hold function
	On	Press button three times:
							22.1°C
		Current reading
	On	Switching off
		Keep button pressed for 3 sec.

	On	Switching between °C/°F
		When switching on keep button pressed until the
		segment test is finished. Stick switches from °C
		to °F. Press button again to return to °C. Wait 3
		seconds without pressing the button. The selec-
		ted unit then applies.
		Auto Off function
		After 10 minutes in the power save mode the
		instrument switches itself off.

Instruction manual testo 905-T2

Temperature stick for surface measurements

You have made the right decision by choosing a measuring instrument from the Testo stick product line. If handled properly you will have many years of reliable and accurate measured results.

Technical data

Sensor: ..............................................		Thermocouple, type K
Measurementshort-term torange:-50....to +350°C;		+500°C/
	-58 to +660°F; short-term to +930°F
Parameters:..................................................................		°C/°F
Resolution: ........................................................		0.1°C/0.1°F
Accuracy: (referred to calibration temperature of 25°C)
±1°C ± 1% of m.v./ ±1.8°F ± 1% of m.v.
Ambient temperature:	............0 to +40°C/+32°F to +104°F
Storage temperature: ................		-20 to +70°C/-4 to +160°F
Response time t99: ............................................		Approx. 5 s
Battery type: ..................................		3 V button cell (CR2032)
Battery lifetime:..............................................		Approx. 150 h
Probe stem: ................................		Ø 12 mm / length:150 mm
Warranty: ..................................................................		2 years

Please read before using instrument

•Do not measure on live parts!

•Do not damage crossed metal wires at bottom of probe - Avoid sharp edges.

•Observe measurement ranges of sensor.

•Do not exceed storage and operating temperature

(e.g. protect measuring instrument from direct sunlight)!

•Approx. 15 min. adjustment time if ambient temperature changes.

Inexpert handling cancels your warranty.

Measuring instrument conforms with

EN 50 081-1 + EN 50 082-1

Changing the battery

88:88°C

The battery has to be changed if the symbol appears in the display during the measurement.

Open the housing using a screwdriver. Remove the used button cell. Put in new button cell - Observe polarisation!