The testo 720 is a 1-channel temperature measuring instrument that can measure temperatures from -100 to +800°C using Pt100 or NTC probes. It has a backlit display, audible alarms for limit values, and can store min/max readings. Measurement data can be printed in the field using an optional Testo printer. It comes with a battery, calibration protocol, and protective housing. A variety of probes are available for various applications like air, surface, food, and immersion/penetration measurements.
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Testo 720 datasheet
1. testo 720 We measure it.
Technical data / Accessories
General technical data
testo 720 Oper. temp. -20 to +50 °C
Storage temp. -30 to +70 °C
testo 720, 1 channel temperature measuring Battery type 9V block battery
instrument Pt100/NTC, with battery and
calibration protocol Battery life 70 h
Dimensions 182 x 64 x 40 mm
Weight 171 g
Part no. 0560 7207 Material/Housing ABS
Warranty 2 years
Sensor types
Pt100 NTC
Meas. range -100 to +800 °C -50 to +150 °C
Accuracy ±0.2% of mv (+200 to +800 °C) ±0.2 °C (-25 to +40 °C)
±1 digit ±0.2 °C (remaining range) ±0.3 °C (+40.1 to +80 °C)
±0.4 °C (+80.1 to +125 °C)
±0.5 °C (remaining range)
Resolution 0.1 °C 0.1 °C
Accessories Part no.
Accessories for measuring instrument
9V rech. battery for instrument, instead of battery 0515 0025
Recharger for 9V rechargeable battery for external recharging of 0515 0025 battery 0554 0025
Testo fast printer with wireless infrared interface, 1 roll thermal paper and 4 AA batteries 0554 0549
Spare thermal paper for printer (6 rolls), permanent ink 0554 0568
TopSafe, protects from impact and dirt (incl. 2 attachment magnets) 0516 0221
Case for measuring instrument and probes 0516 0210
Transport case for meas. instr. and probes (405 x 170 x 85 mm) 0516 0201
Transport case for measuring instrument, 3 probes and accessories (430 x 310 x 85 mm) 0516 0200
Silicone heat paste (14g), Tmax = +260°C 0554 0004
improves heat transfer in surface probes
ISO calibration certificate/temperature 0520 0001
for air/immersion probes, calibration points -18°C; 0°C; +60°C
ISO calibration certificate/temperature 0520 0021
Meas. instr. with air/immersion probe; cal. points 0°C; +150°C; +300°C
ISO calibration certificate/temperature 0520 0031
meas. instr. with air/immersion probe; calibration points 0°C; +300°C; +600°C
DAkkS calibration certificate/temperature 0520 0211
meas. instr. with air/immersion probe; calibration points -20 °C; 0 °C; +60 °C
ISO calibration certificate/temperature 0520 0071
meas. instr. with surface probe; calibration points +60°C; +120°C; +180°C
DAkkS calibration certificate/temperature 0520 0271
contact surface temperature probes; calibration points +100°C; +200°C; +300°C
2. We measure it.
Temperature measuring
instrument (1-channel)
testo 720
Ideally suitable for applications in laboratories and industry
°C
Continuous display of min./max. values
Audible alarm (adjustable limit values)
Resistant to aggressive media with TopSafe
Hold-button for freezing measurement display
Large illuminated display
Measurement data printout on site with Testo fast printer
The testo 720 is a robust temperature measuring instrument You, as the user, can store limit values in the instrument
for precise air, surface and immersion measurements in the yourself; as soon as these upper or lower limits are violated,
measuring range from -100 to +800 °C. It is possible to an audible alarm sounds. The instrument also continuously
connect Pt100 probes as well as NTC probes to the one- shows all minimum and maximum values in its large backlit
channel measuring instrument. display. Using the optional Testo report printer, the
In combination with the TopSafe, the testo 720 is resistant measurement results can be directly printed out on site as
to aggressive media – as is the glass-coated probe, which required.
has proven its worth in daily laboratory work.
www.testo.co.uk
3. testo 720 We measure it.
Probes
Probe type Dimensions Measuring Accuracy t99 Part no.
Probe shaft/probe shaft tip range
Laboratory probes
Laboratory probe Pt100, glass- -50 to +400 °C Class A (-50 to +300 °C), Class 45 s 0609 7072
200 mm 30 mm B (remaining range) 1) 12 s1)
coated, exchangeable glass pipe
(Duran 50), resistant to corrosive
substances, Fixed cable Ø 6 mm Ø 5 mm
Air probes
Efficient, robust NTC air probe, -50 to +125 °C ±0.2 °C (-25 to +80 °C) 60 s 0613 1712
115 mm 50 mm ±0.4 °C (remaining range)
Fixed cable 1.2 m
Ø 5 mm Ø 4 mm
Efficient, robust air probe, Pt100, -50 to +400 °C Class A (-50 to +300 °C), Class 70 s 0609 1773
114 mm 50 mm B (remaining range) 1)
Fixed cable
Ø 5 mm Ø 4 mm
Surface probes
Waterproof NTC surface probe for -50 to +150 °C ±0.5% of mv (+100 to +150 °C) 35 s 0613 1912
115 mm 50 mm ±0.2 °C (-25 to +74.9 °C)
flat surfaces, Fixed cable 1.2 m ±0.4 °C (remaining range)
Ø 5 mm Ø 6 mm
Pipe wrap probe with Velcro for -50 to +70 °C ±0.2 °C (-25 to +70 °C) 60 s 0613 4611
300 mm ±0.4 °C (-50 to -25.1 °C)
pipe diameter to max. 75 mm,
Tmax. +75°C, NTC
Robust, waterproof surface -50 to +400 °C Class B 1) 40 s 0609 1973
114 mm
temperature probe, Pt100, Fixed
cable
Ø 5 mm Ø 9 mm
Immers./penetr. probes
Waterproof NTC -50 to +150 °C ±0.5% of mv (+100 to +150 °C) 10 s 0613 1212
115 mm 50 mm ±0.2 °C (-25 to +74.9 °C)
immersion/penetration probe, Fixed ±0.4 °C (remaining range)
cable
Ø 5 mm Ø 4 mm
Robust, waterproof Pt100 -50 to +400 °C Class A (-50 to +300 °C), Class 12 s 0609 1273
114 mm 50 mm B (remaining range) 1)
immersion/penetration probe, Fixed
cable
Ø 5 mm Ø 3.7 mm
The measuring instrument inside TopSafe is waterproof with this probe.
1) According to standard 60751, the accuracies of Class A and B refer to -200 to +600 °C (Pt100)
4. testo 720 We measure it.
Probes
Probe type Dimensions Measuring Accuracy t99 Part no.
Probe shaft/probe shaft tip range
Food probes
Stainless steel NTC food probe -50 to +150 °C 2) ±0.5% of mv (+100 to +150 °C) 8s 0613 2211
125 mm 15 mm ±0.2 °C (-25 to +74.9 °C)
(IP65) with PUR cable, Fixed cable ±0.4 °C (remaining range)
Ø 4 mm Ø 3 mm
Stainless steel NTC food probe -50 to +150 °C ±0.5% of mv (+100 to +150 °C) 8s 0613 3311
125 mm 15 mm ±0.2 °C (-25 to +74.9 °C)
(IP67) with PTFE cable to +250°C, ±0.4 °C (remaining range)
Fixed cable
Ø 4 mm Ø 3 mm
Robust NTC food penetration 115 mm -25 to +150 °C 2) ±0.5% of mv (+100 to +150 °C) 7s 0613 2411
30 mm ±0.2 °C (-25 to +74.9 °C)
probe with special handle, ±0.4 °C (remaining range)
reinforced PUR cable, Fixed cable Ø 5 mm
Ø 3.5 mm
Frozen food probe NTC, corkscrew -50 to +140 °C 2) ±0.5% of mv (+100 to +140 °C) 20 s 0613 3211
30 mm ±0.2 °C (-25 to +74.9 °C)
design (incl. plug-in wire), Plug-in 110 mm
±0.4 °C (remaining range)
cable
Ø 8 mm Ø 4 mm
Robust, Pt100 stainless steel food -50 to +400 °C Class A (-50 to +300 °C), Class 10 s 0609 2272
125 mm 15 mm B (remaining range) 1)
probe (IP65), Fixed cable
Ø 4 mm Ø 3 mm
The measuring instrument inside TopSafe is waterproof with this probe.
1) According to standard 60751, the accuracies of Class A and B refer to -200 to +600 °C (Pt100)
2) Long-term measurement range +125°C, short-term +150°C or +140°C (2 minutes)
Subject to change without notice.
0981 9334/msp/A/01.2012
www.testo.co.uk