1. Okwu mmalite
The IDEAL 61-747 TightSight clamp meter is a CAT III 600 V rated auto-ranging True Root Mean Square (TRMS) digital clamp meter. This instrument is designed for professional and accurate measurement of various electrical parameters in a wide range of applications. Its robust design and innovative features enhance safety and efficiency during electrical testing.

Figure 1.1: IDEAL 61-747 TightSight Clamp Meter with its unique secondary display.
2. Ozi nchekwa
Always adhere to local and national safety codes. Use personal protective equipment (PPE) such as safety glasses and insulated gloves when working with electrical circuits. Ensure the meter is in good working condition before use. Do not exceed the maximum input ratings for any function. Disconnect power to the circuit before making connections for resistance, continuity, capacitance, or diode tests.
- CAT III 600V Rating: This meter is rated for Category III installations up to 600 Volts.
- Lelee tupu eji: Always inspect the meter, test leads, and accessories for any damage before each use. Do not use if damaged.
- Proper Function Selection: Ensure the correct function is selected for the measurement being performed.
- Onye na-akpọtụrụ Voltage (NCV) Sensor: The NCV sensor detects voltage between 40V and 600V. An illuminated red LED and audible tones indicate voltage ọnụnọ.
3. Ihe ngwugwu
Upon opening the package, verify that all items listed below are present and undamaged:
- IDEAL 61-747 TightSight Clamp Mita
- Nnwale Ndị Na-edu (Uhie na Oji)
- K-Ụdị Thermocouple
- 3 x 1.5V AAA Batteries (pre-installed or included separately)
- Soft Storage Pouch with Belt Loop
- Akwụkwọ ntuziaka (akwụkwọ a)

Figure 3.1: The IDEAL 61-747 Clamp Meter and its standard accessories.
4. Njirimara ngwaahịa na akụrụngwa
The IDEAL 61-747 clamp meter incorporates several features designed for ease of use, accuracy, and safety:
- Clamp Isi: Measures AC and DC current up to 400 Amps without breaking the circuit.
- TightSight LCD Display: A patented secondary display located at the bottom of the unit, allowing for easy reading in difficult positions.
- Main LCD Display: Primary display for all measurement readings.
- Ịkpọ oku ọrụ: Mgbanwe Rotary iji họrọ ụdị nha.
- Onye na-akpọtụrụ Voltage (NCV) Sensor: Integrated into the right tip of the clamp for detecting live voltage enweghị kọntaktị kpọmkwem.
- Ọkụ ọkụ arụnyere n'ime ya: Illuminates the work area in low-light conditions.
- Backlit Displays: Both the main and TightSight displays can be backlit for visibility in dark environments.
- Probe Tip Holder: Located on the backside of the right clamp for convenient single-hand operation with test leads.
- Hanging Strap Mount: Compatible with IDEAL hanging straps (sold separately) for hands-free operation.
- Industrial Grade Overmolding: Enhances grip and provides drop protection.

Foto 4.1: N'ihu view nke clamp meter highlighting key components.

Figure 4.2: Detail of the integrated probe tip holder for convenience.
5. Nhazi
5.1 Ntinye batrị
The meter operates on three 1.5V AAA batteries. To install or replace batteries:
- Hụ na agbanyụrụ mita ahụ.
- Chọta ebe batrị dị n'azụ mita ahụ.
- Jiri screwdriver mepee mkpuchi nke ebe batrị ahụ.
- Insert the 3 AAA batteries, observing the correct polarity (+/-) as indicated inside the compartment.
- Dochie mkpuchi nke batrị batrị ma jiri nkedo chekwaa ya.
5.2 Njikọ Ndị Nnwale Nlele
Maka voltage, resistance, continuity, capacitance, and diode measurements, connect the included test leads:
- Insert the red test lead into the V/Ω/CAP/Hz/°C input jack.
- Tinye isi ule ojii ahụ n'ime ihe ntinye COM (nke a na-akpọkarị).
6. Ntuziaka ọrụ
6.1 Gbanyụọ/ gbanyụọ
Rotate the function dial from the OFF position to any desired measurement function to power on the meter. To power off, rotate the dial back to the OFF position.
6.2 Ọrụ Nha
The 61-747 meter offers a variety of measurement capabilities:
- AC/DC Current (A~, A--): Jiri clamp head to measure current up to 400 Amps. Open the clamp by pressing the lever, encircle a single conductor, and release the lever to close the clamp.
- AC/DC Voltage (V~, V--): Connect test leads to the circuit. Measures up to 600V.
- Nguzogide (Ω): Connect test leads across the component.
- Ọga n'ihu (♫): Connect test leads across the circuit. An audible tone indicates continuity.
- Capacitance (CAP): Connect test leads across the capacitor.
- Nnwale diode (♫): Connect test leads across the diode.
- Ugboro ugboro (Hz): Can be measured in conjunction with voltage ma ọ bụ ugbu a.
- Temperature (°F/°C): Connect the K-Type thermocouple to the meter's input jacks.

Figure 6.1: Measuring current with the clamp meter, demonstrating the TightSight display.
6.3 Ọrụ Pụrụ Iche
- TightSight Display: The secondary display at the bottom of the meter mirrors the main display, providing an alternative viewakụkụ n'akuku.
- Onye na-akpọtụrụ Voltage (NCV): Select the NCV function. Place the right tip of the clamp near a live conductor. The red LED in the center of the meter will illuminate and an audible tone will sound if voltage is detected (40V-600V).
- Ìhè azụ: Press the backlight button (often combined with flashlight button) to illuminate the displays for better visibility in dim conditions.
- Igwe ọkụ: Press the flashlight button to activate the built-in flashlight.
- Jidesie: Na-eme ka ọgụgụ dị ugbu a dị na ngosipụta ahụ gbụọ.
- MIN / MAX: Records the minimum and maximum readings over a period.
- RELATIVE (REL): Na-atụ ọdịiche dị n'etiti uru ntụaka echekwara na ọgụgụ dị ugbu a.
- ZERO: Used to zero out the display for DC current measurements to remove residual magnetism.
- Dịgasị: Toggles between auto-ranging and manual ranging modes.
- Gbanyụọ ike akpaaka: The meter will automatically power off after a period of inactivity to conserve battery life. This feature can typically be disabled if needed (refer to the full user manual for specific instructions).

Figure 6.2: Using the Non-Contact Voltage (NCV) sensor.

Figure 6.3: The built-in flashlight illuminating the work area.
7. Nlekọta na nlekọta
Nlekọta kwesịrị ekwesị na-eme ka ogologo oge na izi ezi nke cl gị dịgideamp mita:
- Nhicha: Jiri mgbasa ozi hichaa mita ahụamp cloth and mild detergent. Do not use abrasives or solvents. Ensure the meter is dry before storage or use.
- Ngbanwe batrị: Replace batteries when the low battery indicator appears on the display. Remove batteries if the meter will not be used for an extended period.
- Nchekwa: Store the meter in its soft storage pouch in a cool, dry place, away from direct sunlight and extreme temperatures.
- Nhazi For professional use, periodic calibration by a qualified service center is recommended to maintain accuracy.
8. Nchọpụta nsogbu
If you encounter issues with your IDEAL 61-747 clamp meter, refer to the following common problems and solutions:
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Mita ahụ anaghị agba ọkụ. | Batrị nwụrụ anwụ ma ọ bụ arụnyere na ezighi ezi. | Check battery polarity; replace with new 1.5V AAA batteries. |
| No reading or unstable reading. | Incorrect function selected; poor test lead connection; out of range. | Ensure correct function; check test lead connections; verify measurement is within meter's range. |
| NCV sensor not detecting voltage. | Voltage below detection threshold (40V); sensor not close enough to conductor. | Gbaa mbọ hụ na voltage is within 40V-600V range; position sensor closer to the live conductor. |
| Ngosipụta adịchaghị ma ọ bụ na-egbuke egbuke. | Batrị dị ala. | Dochie batrị. |
9. Nkọwapụta
Key technical specifications for the IDEAL 61-747 Clamp Mita:
| Oke | Uru |
|---|---|
| Nọmba nlereanya | 61-747 |
| Akụkụ ngwaahịa | 10 x 6 x 2 sentimita asatọ |
| Ibu Ibu | 1.41 pound |
| Onye nrụpụta | EZIOKWU |
| Isi Iyi Ike | Battery Powered (3 x 1.5V AAA) |
| Ụdị | Dijitalụ |
| Agba | Uhie |
| Ntụle AC/DC ugbu a | Ruo 400 Amps |
| AC/DC Voltage Ntụ | Up to 600 Volts |
| Onye na-akpọtụrụ Voltage Oke nchọpụta | 40V ruo 600V |
| Temperature Measurement Range (Tester) | -40°F ruo 1832°F (-40°C ruo 1000°C) |
| Temperature Measurement Range (K-Type Thermocouple) | -40°C ruo 250°C (-40°F ruo 482°F) |
| Ogo nchekwa | CAT III 600V |
| Ụdị ngosi | Digital, 4000 Count, Dual Backlit Displays |
| Atụmatụ | True RMS, TightSight Display, Flashlight, Probe Tip Holder, Hanging Strap Mount, Hold, Min/Max, Relative, Zero, Range, Auto Power Off |
10. Akwụkwọ ikike na nkwado
For detailed warranty information and customer support, please refer to the official IDEAL Electrical documentation or contact IDEAL customer service.
Enwere ike ibudata akwụkwọ ntuziaka onye ọrụ gọọmentị na usoro PDF:





