Measurement Engineering for Air Conditioning and Ventilation - TESTO

Catalogue Measurement Engineering for Air Conditioning and Ventilation

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Infrared Thermometer with Switchable Optics (far-field/close focus)

testo 845 with integrated humidity module

testo 845, Infrared temperature measuring Instrument with cross laser sighting Incl. humidity module, switchable optics for far-field and close focus measurement, contact temperature probe attachable, optical/audible alarm, reading memory, PC software incl. USB data transfer cable, aluminium case, battery and calibration protocol

testo 845

testo 845, infrared temperature measuring instrument with cross-laser sighting, switchable optics for far-field and close focus measurement, contact temperature probe attachable, optical/audible alarm, reading memory, PC software incl. USB data transfer cable, aluminium case, battery and calibration protocol

Probe socket for TC probes for determining emlssivlty

Part no. 0563 8450

Part no. 0563 8451

Description

Meas, range Part no.

Fast-action surface probe with sprung thermocouple strip, also for uneven surfaces, measurement range short-term to +500°C, TC Type K

-60 to +300 °C 0602 0393

Aluminium case for Instrument and accessories (Included)

Robust air probe, T/C Type K

-60 to +400 °C 0602 1793

Checks temperature In air conditioning duct

Accessories Ordering data Part no.

Technical data


	Humidity module, upgradeable for testo 845 (0563 8450)	0636 9784
	Plug-in mains adapter, 5 VDC 500 mA with European adapter	0554 0447
	External fast charger for 1-4 AA rech. batteries, incl. 4 Ni-MH rech. batteries with individual cell charging and charge control display, Incl. Impulse trickle charging, integrated discharge function, with built-in International mains plug, 100-240 V, 300 mA, 50/60 Hz	0554 0610
	Testo printer with wireless IRDA and Infrared interface, 1 roll of thermal paper and 4 AA batteries, for printout of reading on site	0554 0547
	Spare thermal paper for printer (6 rolls), permanent Ink, measurement data documentation legible for up to 10 years	0554 0568
	testo saline pots for control and humidity adjustment of humidity probes, 11.3 %RH and 75.3 %RH with adapter for humidity probe	0554 0660
	Industrial adhesive tape e.g. for polished surfaces (roll, 10 m long, 25 mm wide), E = 0.95, temperature resistant up to +300^C,C	0554 0051
	Silicone heat paste (14g), Tmax = +260^C,C, improves heat transfer in surface probes	0554 0004
	ISO calibration certificate/temperature, Infrared thermometer; calibration points +Q0°C; +120°C; +180°C	0520 0002
	ISO calibration certificate/temperature, Infrared thermometers, calibration points -18°C, 0°C, +Q0°C	0520 0401

	Far-field measurement


	Meas. range	Infrared Contact (type K) Humidity module -35 to +950 °C -35 to +950 °C 0 to +100 %RH 0 to +50 °C -20 to +50 °C td
	Accuracy ±1 digit	±2.5 °C (-35 to -20.1 °C) ±0.75 °C (-35 to +75 °C) ±2 %RH (2 to 98 %RH) ±1.5 °C (-20 to +19.9 °C) ±1 % of mv (+75.1 to ±0.5 °C (+10 to +40 °C) ±0.75 °C (+20 to +99.9 °C) +950 °C) ±1 °C (remaining range) ±0.75% of mv(+100 to +950 °C)
	Resolution	0.1 °C 0.1 °C 0.1 °Ctd
	Emission factor	Adjustable 0.1 to 1.0
	Optical resolution Far-field: (75:1) 16 mm, 1200 mm distance (90%) Close focus: 1 mm, 70 mm distance (90%)
	Measuring rate	t95: 250 ms; Scanning Max/Mln/Alarm: 100 ms
	Dimensions	155 x 58 x 195 mm
	Battery type	2 AA batteries
	Battery life	25 h (without laser), 10 h (with laser without light), 5 h (with laser and 50% light)
	Materlal/Houslnc	ABS Black/gray, metal screen
	Oper. temp.	-20 to +50 °C
	Storage temp.	-40 to +70 °C

	Close focus measurement

0 543 mm

0 279 mm