The testo 770 series identifies the testing in-process and automatically selects the correct meter configuration, which saves you time and increases your accuracy.

The testo 770 series of instruments is rich in the features HVAC techs need and want, including TRMS, starting current, and frequency measurement.

Testo’s history of efficiency, innovation, and quality now extends to the entire electrical lineup. Once again, Testo brings high value, feature-packed products to the HVAC contractor market.

In addition to the standard functions of the testo 770-1 hook clamp meter, the testo 770-2 includes a thermocouple adapter, and measures microamps.

Features:

Unique hook-on function separates and grabs wires, without using your hands
Retractable post makes hook release fast and easy
µA for flame rod (ignition flame sensor) testing, and can measure temperature using type K thermocouple adapter

More products TESTO

TESTO 755-2 - CURRENT / VOLTAGE METER WITH 200 A AC, 1000 V AC/DC, CONTINUITY, AND PHASE ROTATION TESTER

• Phase rotation tester and voltage range up to 1000 V
• Unique feature which allows the user to check for voltage using only a single lead
• Polarity detection for DC circuits
• Meter automatically detects testing in-process and selects correct meter configuration which saves time and optimizes accuracy

TESTO 440 - INDOOR COMFORT COMBOKIT WITH BLUETOOTH

• Accurate measurement results, thanks to air density compensation via integrated absolute pressure measurement
• Measuring range: 0 to 10,000 ppm, 14 to 122 °F, and 5 to 95% RH
• The Bluetooth handle makes it more convenient to carry out your measurements and guarantees less cable clutter in your case - it transmits readings to the testo 440, from up to 65 feet away
• Practical button on the handle - for storing individual readings
• Versatile - the universal handle can be connected to all probe heads, so you can take care of more applications, and use less equipment

TESTO 476 - POCKET STROBE HANDHELD STROBOSCOPE

• High adjustment accuracy and stability thanks to dynamic setting dial
• High light intensity thanks to high-performance xenon flashlamp
• Powerful Li-Ion rechargeable battery pack for at least 2 hours of continuous operation
• Extremely short flash duration (< 9 µs)

TESTO 176T4 - FOUR-CHANNEL TEMPERATURE DATA LOGGER

• External thermocouple parallel connections provide reliable temperature monitoring at up to four sites
• Large, easy to read, bright, backlit display makes it easy to see the current temperature
• Large data memory capable of storing 2,000,000 temperature readings
• Rugged and waterproof according to IP54

TESTO 745 - NON-CONTACT VOLTAGE TESTER WITH BUILT-IN FLASHLIGHT

• Two sensitivity levels, with audible and visual indication
• Flashing LED indicates sensitivity range, down to 12 V AC, or standard range above 50 V AC
• Differentiates hot from neutral in AC outlets
• Low pass filter reduces false indications

TESTO 317-2 - GAS LEAK DETECTOR WITH OPTICAL TREND DISPLAY

• Display of gas concentration via bar display
• Self-test of sensor after switching on
• Pitch of alarm rises along with gas concentration
• Battery monitoring with optical display

TESTO - MINI THERMOMETER

• Adjustable min./max. alarm
• Permanently connected probe
• With clip for set-up, wall mounting or attachment
• Measuring range: -50 to 150 °C

TESTO 521-1 - DIFFERENTIAL PRESSURE MEASURING INSTRUMENT 0 TO 100 HPA (ACCURACY &PLUSMN;0.2% OF F.V.)

• Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.
• Calculation of the flow velocity and the volume flow via Pitot tube (optional)
• Multi-point and timed mean calculation
• 2 probe inputs for additional pressure and temperature probes

TESTO 205 - ONE-HAND PH/TEMPERATURE MEASURING INSTRUMENT

• Ideal for measuring the pH value and temperature in semi-solid media, e.g. in meat
• Combined pH measuring tip with temperature probe - can be changed by the user
• Maintenance-free pH measurement thanks to gel electrolyte
• Two-line, illuminated display: pH value and temperature at a glance

TESTO 316-EX - GAS LEAK DETECTOR

• ATEX approval (94/9/EC)
• ppm and vol.% display
• Flexible probe for inaccessible areas
• 3 different types of gas can be detected: methane, propane and hydrogen