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1 Contents

Contents

1 Contents ........................................................................ 2

2 Observe prior to use! ................................................... 4

3 Safety instructions ....................................................... 4

4 Intended use ................................................................. 5

5 Overview ....................................................................... 6

5.1. Display and control elements ........................... 6

5.2. LC display ........................................................ 7

5.3. Control key functions ........................................ 8

5.4. Rotary switch functions .................................... 8

5.5. Further functions .............................................. 9

5.6. Explanation of icons ....................................... 10

6 Operating the instrument .......................................... 10

6.1. Switching the instrument on ........................... 11

6.2. Switching the background illumination on/off . 11

6.3. Switching the instrument off
(automatically/manually) ....................................... 11

6.4. Using testo 770-3 with

testo Smart Probes App ................................. 11

6.4.1. Establishing Bluetooth

connection (770-3) .......... 11

6.4.2. Transmitting readings ........................................... 12
6.4.3. Overview of the App operating controls ................ 12

7 Carrying out a measurement ..................................... 12

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 ................................ 15

7.4.1. testo 770-1/-2 ....................................................... 15
7.4.2. testo 770-3 ............................................................ 15

7.5. Power measurement (testo 770-3 only) ......... 16

7.6. Frequency measurement ............................... 16

7.7. Temperature measurement (optional)

(testo 770-2/-3 only) ....................................... 16

7.8. Inrush current (INRUSH) ................................ 17

Содержание 770

Страница 1: ...testo 770 Clamp meter Instruction manual 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Страница 2: ... 6 4 Using testo 770 3 with testo Smart Probes App 11 6 4 1 Establishing Bluetooth connection 770 3 11 6 4 2 Transmitting readings 12 6 4 3 Overview of the App operating controls 12 7 Carrying out a measurement 12 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 ...

Страница 3: ... 9 1 General technical data 19 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 24 11 1 Certifications 26 11 2 Declaration of Conformity 27 12 Protecting the environment 27 ...

Страница 4: ...trician not by oneself The instrument may only be touched at the designated grip areas the display elements must not be covered If the safety of the operator can no longer be guaranteed you must decommission the instrument and ensure that it cannot be used inadvertently This applies if the instrument has obvious indications of damage cracks on the housing defective test leads leaking batteries wil...

Страница 5: ...ediately with plenty of water If battery acid gets into your eyes rinse them immediately with plenty of water and seek medical advice 4 Intended use The instrument may only be used under the conditions and for the purpose for which it was designed The instrument conforms to measurement category CAT IV with a rated voltage of 600V to earth Measurement category CAT IV is for use at the source of vol...

Страница 6: ... keys 2 LC display 3 Clamp trigger 4 Clamp hook 5 HOLD key 6 Rotary switch 7 Grip area 8 On the rear Battery compartment 9 Input jack for voltage resistance continuity capacitance diode frequency and µA measurements 10 Ground COM jack for all measurements from point 9 ...

Страница 7: ...luetooth enabled testo 770 3 only 9 Maximum minimum average measurement 10 Alarm off 11 Hold is activated LC display holds the current reading 12 Battery capacity display Display Feature No Symbol Battery capacity 100 30 Battery capacity 30 15 Battery capacity 15 2 flashes and acoustic signal emitted Battery capacity 2 0 instrument switches off automatically 13 Automatic power off function is acti...

Страница 8: ... measurement Back to AUTO mode Min Max Switches between MAX MIN and AVG functions Switch off recording mode Inrush If position A is selected the instrument switches to inrush mode Reset the inrush measurement if a measurement is already shown on the LC display Switches back to the mode most recently activated before INRUSH was selected Illumination Background illumination on off testo 770 3 Illumi...

Страница 9: ...splay Exit function press HOLD 1 s the current measurement is displayed The Hold function can be used from all measuring modes MAX MIN AVG allows for switching between maximum minimum and the periodic display of AVG values This function is disabled in the default setting Activate function press 1 s Max value is displayed Display min value and periodic display of AVG values press 1 s each time Exit...

Страница 10: ...d Media Authority guidelines This product has been tested to the requirements of CAN CSA C22 2 No 61010 1 second edition including Amendment 1 or a later version of the same standard incorporating the same level of testing requirements Bluetooth testo 770 3 only Conformity mark verifies compliance with the valid EU Directives EMC Directive 2014 30 EU with the EN 61326 1 standard Low Voltage Direct...

Страница 11: ...display as APO If no control key is pressed within 15 min the instrument switches off automatically If necessary the automatic power off function APO can be turned off Disable power off function press the HOLD key and turn the rotary switch from the OFF position to a different position Once the instrument has switched off the power off function is reset to the default setting Manually Switch off t...

Страница 12: ...Bluetooth The current readings are automatically displayed in the App 6 4 3 Overview of the App operating controls 1 Choice of applications 2 Display of connected instruments 3 Switch between views list graphic table 4 Settings for measurement The menu adjusts depending on the instrument connected and the application selected 5 Restarts the measuring value recording in graph and table format 6 Exp...

Страница 13: ...onnection e g via crocodile clips Strong RFinterference and or open leadswhen measuring A AC may result in unstable display readings 7 2 1 Measuring A AC or A DC Automatic measuring mode 1 Switch instrument on set rotary switch to The instrument switches on The instrument is in AUTO A mode 2 Enclose the live conductor and centre it in the jaws The instrument automatically detects the A AC or A DC ...

Страница 14: ...hown in the relevant row on the LC display Automatic measuring mode 1 Switch instrument on set rotary switch to The instrument switches on The instrument is in AUTO V mode 2 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 features a built in zero crossing detector When the measured signal voltage or current indica...

Страница 15: ...n on the LC display 7 4 2 testo 770 3 Automatic measuring mode Automatic detection for resistance capacitance in the following range 0 0 ohms to 6 000 mohms 0 500 nF to 600 0 µF Change to manual measuring mode for the remaining measuring range 1 Switch instrument on set rotary switch to The instrument is switched on 2 Connect test leads black test lead to black jack red test lead to red jack Then ...

Страница 16: ...ower and power measurement for direct current voltage press 1 s 7 6 Frequency measurement The frequency is displayed automatically during an A AC or V AC measurement The following minimum values are necessary for correct display of frequency with voltage and or current measurement Voltage 200 mV Current 1 5 of the measuring range 7 7 Temperature measurement optional testo 770 2 3 only A thermocoup...

Страница 17: ...UTO A mode 2 Enclose the live conductor and centre it in the jaws 3 Activate inrush current calculation press 1 s The measured value is shown on the LC display 4 Restart inrush current calculation press 1 s The measured value is shown on the LC display 5 Exit inrush current calculation and switch back to AUTO mode press 2 s 8 Service and maintenance 8 1 Replacing the batteries The batteries need t...

Страница 18: ... 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 Send the instrument to Testo Service for calibration 8 4 Storage Store the instrument in dry closed rooms If the instrument is not in u...

Страница 19: ... m Measurement category CAT IV 600 V Level of contamination 2 Protection class IP 40 Power supply 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 µA current measurement high impedance testo 770 2 3 only Dimensions H x W x D A...

Страница 20: ...s Resistance 400 0 Ohm 4 000 kOhm 40 00 kOhm 400 0 kOhm 4 000 MOhm 40 00 MOhm 0 1 Ohm 1 Ohm 10 Ohm 100 Ohm 1 kOhm 10 kOhm 1 5 of meas val 3 digits Continuity alarm 0 to 30 Ohm Diode test yes 0 to 2 5 V Capacity 51 20 nF6 0 01 nF 10 typically 1 The lower measuring ranges are only specified from 5 does not apply to DC current AC current measurements with the current probe 2 Signal bandwidth 40 Hz to...

Страница 21: ...voltage10 11 12 600 mV 6 000 V 60 00 V 600 0 V 0 1 mV 1 mV 10 mV 100 mV 1 0 of meas val 3 digits DC current jaws A jack μA 600 A 600 μA 0 1 A 1 μA 2 0 of meas val 5 digits 1 5 of meas val 5 digits 7 Maximum measurement duration is 15 s 8 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 ...

Страница 22: ... 5 digits for current strength 10 A 10 5 digits typical for current strength between 2 A and 10 A Power 10 current strength 10 A 15 typical for current strength 10 A Capacitance measurement 6 000 nF14 0 001 nF 10 of meas val 25 digits 60 00 nF 0 01 nF 2 of meas val 10 digits 600 0 nF 0 1 nF 1 5 of meas val 5 digits 6 000 µF 0 001 µF 1 5 of meas val 5 digits 60 00 µF 0 01 µF 1 5 of meas val 5 digit...

Страница 23: ...ooth radio class Class 3 Bluetooth company 10274 testo 770 3 only The use of the wireless module is subject to the regulations and stipulations of the respective country of use and the module may only be used in each case in countries for which a country certification has been granted The user and every owner undertake to adhere to these regulations and prerequisites for use and acknowledge that t...

Страница 24: ...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 Lithuania LT Luxembourg LU Malta MT Netherlands NL Austria AT Poland PL Portugal PT Rumania RO Sweden SE Slowakia SK Slowenia SI Spain ES Czech Republic CZ Hungary HU United Kingdom GB...

Страница 25: ...rate the equipment Shielded interface cable must be used in order to comply with the emission limits Warning This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Canada Product IC ID 612...

Страница 26: ...ons testo 770 3 only 26 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 ...

Страница 27: ...ment 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 ...

Страница 28: ...0970 7700 en 03 V01 00 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

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