TT-CC 770 - Uncategorized Testec - Free user manual and instructions
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| Product Type | Test Instrument (Current Clamp) |
| Brand | Testec |
| Model | TT-CC 770 |
| Measurement Range | 0.1 A to 1000 A AC/DC |
| Output Signal | 1 mV/A or 10 mV/A selectable |
| Bandwidth | DC to 100 kHz |
| Accuracy | ±2% of reading ±0.05 A |
| Jaw Opening | 20 mm diameter |
| Power Supply | 9 V battery (included) or external power adapter |
| Battery Life | Approximately 100 hours of continuous use |
| Dimensions | 230 mm × 80 mm × 35 mm |
| Weight | 350 g (including battery) |
| Operating Temperature | 0 °C to 40 °C |
| Storage Temperature | -20 °C to 60 °C |
| Safety Rating | CAT III 600 V, CAT IV 300 V |
| Included Accessories | Carrying case, test leads, battery, manual |
| Maintenance | Clean with dry cloth; no user-serviceable parts |
| Warranty | 2 years |
Frequently Asked Questions - TT-CC 770 Testec
How do I measure DC current with the TT-CC 770?
Set the range switch to the desired current range (e.g., 20A or 1000A). Press the DC zero button to zero the reading before clamping around the conductor. The output will be proportional to the current.
What is the maximum conductor size I can clamp?
The jaw opening is 20 mm in diameter, suitable for wires or cables up to about 20 mm thick (approx. 500 MCM).
Can I use this clamp with an oscilloscope?
Yes, the TT-CC 770 outputs a voltage signal (1 mV/A or 10 mV/A) that can be connected directly to an oscilloscope via BNC cable.
How do I change the battery?
Remove the battery cover on the back of the unit. Replace the 9 V battery with a new one, ensuring correct polarity. Reattach the cover.
What does the auto-off feature do?
The clamp automatically turns off after 30 minutes of inactivity to save battery. Press any button to wake it up.
Is the TT-CC 770 suitable for AC measurements?
Yes, it measures both AC and DC current. For AC, simply clamp around the conductor and read the output; no zeroing needed.
How often should I recalibrate the clamp?
Testec recommends recalibration every 12 months to maintain accuracy. Contact an authorized service center.
What is the output cable length?
The standard output cable is 1.5 meters long with a BNC connector. Extension cables are available separately.
Can I measure current in tight spaces?
The slim jaw design (20 mm opening) allows access to confined areas. The overall dimensions are compact at 230 mm x 80 mm x 35 mm.
Where can I download the full manual?
The full manual is available for free on notice-facile.com and other support websites. You can also request a translation via the email form.
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USER MANUAL TT-CC 770 Testec
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Product information
Brand : Testec
Model : TT-CC 770
Category : Uncategorized