Related Manuals for TESTO 770
Summary of Contents for TESTO 770
- Page 1 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com testo 770 - Clamp meter Instruction manual...
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Page 2: Table Of Contents
7.1. Preparing for measurement ......12 7.2. Current measurement ........13 7.2.1. Measuring A AC or A DC ........13 7.2.2. Measuring µA AC or µA DC (testo 770/-2/-3 only) 13 7.3. Voltage measurement ........14 7.4. Measuring resistance, capacitance, continuity and diode test ........ - Page 3 9.2. More technical data ........20 9.2.1. testo 770-1/-2 ............20 9.2.2. testo 770-3 ............21 9.3. Bluetooth module (testo 770-3 only) ....23 10 Tips and assistance ..........24 10.1. Questions and answers ....... 24 10.2. Accessories and spare parts ......24 11 Authorizations (testo 770-3 only) ......
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Page 4: Observe Prior To Use
3 Safety instructions 2 Observe prior to use! • The instruction manual contains information and instructions which are necessary for operating and using the instrument safely. Before using the instrument, read the instruction manual carefully and comply with all aspects of it. Keep this document to hand so that you can refer to it when necessary. -
Page 5: Intended Use
Any misuse will result in the complete invalidation of any warranty or guarantee claims against Testo. The manufacturer is not responsible for any damage to property or personal injury resulting from the following: •... -
Page 6: Overview
5 Overview 5 Overview 5.1. Display and control elements Control keys LC display Clamp trigger Clamp/hook HOLD key Rotary switch Grip area On the rear: Battery compartment Input jack for voltage, resistance, continuity, capacitance, diode, frequency and µA measurements 10. Ground/COM jack for all measurements from point 9... -
Page 7: Lc Display
Power factor Dangerous voltage, AC ≥ 33 V, DC ≥ 70 V ® Bluetooth enabled (testo 770-3 only) Maximum, minimum, average measurement 10 Alarm off Hold is activated, LC display holds the current reading... -
Page 8: Control Key Functions
5 Overview 17 Analog display (testo 770-3 only) 18 Indication of polarity in bar chart (testo 770-3 only) 5.3. Control key functions The clamp meter features a rotary switch, as well as 6 control keys, which respond to a brief or a long keypress. -
Page 9: Further Functions
<1 s each time. > Exit function: press >2 s or [HOLD]. This function can be activated in all measuring modes (this function is not available at capacitance measurement with testo 770-1 and testo 770-2). When pressing AUTO AC/DC voltage mode or... -
Page 10: Explanation Of Icons
• Current measurement: select • Resistance, continuity, diode and capacitance measurement: select • μA measurement: select (testo 770-3 only). • Power measurement: select (testo 770-3 only). 5.6. Explanation of icons Icon Meaning Attention! Warning about a danger spot, refer to instruction... -
Page 11: Switching The Instrument On
(770-3) ® You need a tablet or smartphone with the testo Smart Probes App already installed on it to be able to establish a Bluetooth connection. You can get the App for iOS instruments in the App Store or for Android instruments in the Play Store. -
Page 12: Transmitting Readings
7 Carrying out a measurement ✓ The testo Smart Probes App is installed on your mobile terminal device and ready for use. ® > Enable Bluetooth : press and hold down and turn the rotary switch from [OFF] to a function. Then release ®... -
Page 13: Current Measurement
>1 s. The instrument is in automatic measuring mode when AUTO illuminated on the LC display. 7.2.2. Measuring µA AC or µA DC (testo 770/-2/-3 only) Automatic measuring mode Switch instrument on: set rotary switch to The instrument switches on. -
Page 14: Voltage Measurement
7 Carrying out a measurement The instrument is in AUTO µA mode. Connect test leads: black test lead to black jack, red test lead to red jack. Then connect test leads to the test object. The instrument automatically detects the µA AC µA DC mode. -
Page 15: Measuring Resistance, Capacitance, Continuity And Diode Test
Serious risk of injury to the user and/or destruction of the instrument during resistance testing. > Test object must be de-energized. External voltages will distort the measurement result. 7.4.1. testo 770-1/-2 Manual measuring mode Switch instrument on: set rotary switch to The instrument is switched on. -
Page 16: Power Measurement (Testo 770-3 Only)
7 Carrying out a measurement 7.5. Power measurement (testo 770-3 only) For the power measurement, two measurements are carried out at the same time. The voltage of the measurement object is measured via the jack, input jack and using two test leads. The current of the measurement object must be measured using the clamp meter. -
Page 17: Inrush Current (Inrush)
8 Service and maintenance The thermocouple adapter switches on automatically. Activate temperature measurement: press >2 s. The measured values are shown on the LC display in °C and °F. 7.8. Inrush current (INRUSH) The inrush function is an approximation function. This means that readings can differ from one another. -
Page 18: Maintenance
If a malfunction occurs during operation, the ongoing measurement should be stopped immediately. Send the instrument to Testo Service for checking. 8.3. Calibration In order to maintain the specified accuracy of the measurement results, Testo recommends calibrating the instrument once a year. -
Page 19: Technical Data
3 x 1.5 V (AAA / IEC LR03) Battery status display Batt. icon appears from <3.9 V Display 3 3/4 digit, LC display Display range testo 770-1/-2: 4000 digits testo 770-3: 6000 digits Polarity indicator automatic Overload protection for high-impedance (testo 770-2/-3 only) µA current... -
Page 20: More Technical Data
9 Technical data 9.2. More technical data 9.2.1. testo 770-1/-2 Feature Measuring Resolution Accuracy range DC voltage 4.000 V 1 mV ± (0.8% of meas. val. + 40.00 V 10 mV 3 digits) 400.0 V 100 mV 600 V AC voltage 4.000 V... -
Page 21: Testo 770-3
Does not include the measurement error of the temperature probe. The specified accuracy is the sum total of the measurement errors of the thermocouple adapter and the testo 770. The lower measuring ranges are only specified from 5% (does not apply... - Page 22 9 Technical data Feature Measuring Resolution Accuracy range AC current - jaws [A] 600 A 0.1 A ± (2.0% of meas. val. + 5 digits) - jack [μA] 600 μA 0.1 μA ± (1.5% of meas. val. + 5 digits) Resistance 60.00 Ohm 0.01 Ohm...
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Page 23: Bluetooth Module (Testo 770-3 Only)
± 1.5% >250 °C ± 2% Figures correspond to +23 °C ± 5 °C at <80% rel. humidity. Temperature coefficient: 0.15 x specified accuracy per 1 °C (<18 °C and >28 °C) 9.3. Bluetooth module (testo 770-3 only) Feature Values Bluetooth Range <20 m (free field) -
Page 24: Tips And Assistance
11 Authorizations (testo 770-3 only) Please note the following country-specific information for the product authorization. Pos: 37 /TD/Zulassungen/Daten_testo 770 @ 18\mod_1443699524993_0.docx @ 222392 @ 5555555551 @ 1 European Certification Belgium (BE), Bulgaria (BG), Denmark (DK), Germany (DE), Estonia (EE), Finland (FI), France (FR), Greece (GR), Ireland (IE), Italy (IT), Latvia (LV),... - Page 25 11 Authorizations (testo 770-3 only) radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to...
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Page 26: Certifications
11 Authorizations (testo 770-3 only) 11.1. Certifications Tested for safety (tested by TÜV Rheinland) The product is certified for the US and Canadian markets, in accordance with the applicable American and Canadian safety standards. -
Page 27: Declaration Of Conformity
Dispose of faulty rechargeable batteries/spent batteries in accordance with the valid legal specifications. > At the end of its useful life, send the product to the separate collection for electric and electronic devices (observe local regulations) or return the product to Testo for disposal. - Page 28 0970 7700 en 03 V01.00 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com...