MODEL 2412
Leakage Clamp Meters
MODEL 2412
• Digital clamp meter with tear drop shaped, medium size transformer jaws specially designed for leakage current measurement.
• Frequency filter switch to eliminate the effect of harmonics.
• Output terminal for connection to recorders and facility to operate from external power supply permit continuous leakage current monitoring.
• Resolution 0.01mA.
| AC A (50/60Hz) | 20/200mA/2/20/200/500A ±1.5%rdg±5dgt (20/200mA/2A) ±2%rdg±5dgt (20/200A) ±2.5%rdg±5dgt (500A) |
|---|---|
| AC A (WIDE) | 20/200mA/2/20/200/500A ±1%rdg±3dgt [50/60Hz], ±5%rdg±5dgt [40 - 400Hz] (20/200mA/2A) ±1.5%rdg±3dgt [50/60Hz], ±5%rdg±5dgt [40 - 400Hz] (20/200A) ±2%rdg±3dgt [50/60Hz], ±5%rdg±5dgt [40 - 400Hz] (500A) |
| AC V | 600V ±2%rdg±5dgt (50/60Hz) ±5%rdg±5dgt (40 - 400Hz) |
| Ω | 200Ω ±1.5%rdg±5dgt |
| Conductor size | Ø40mm max. |
| Frequency response | 40 - 400Hz |
| Effect of external stray magnetic field φ15mm 100A | 10mA AC max. |
| Output | Recorder : DC200mV against the maximum value of each range (500A range is 50mV) |
| Power source | 6F22 (9V) × 1 or AC Adaptor |
| Dimensions | 209(L) × 96(W) × 45(D)mm |
| Weight | 450g approx. |
| Included Accessories | 7066A (Test leads) 9169 (Carrying case) 8025 (Plug for output jack) 6F22 × 1 Instruction Manual |
| Optional Accessories | 8008 (Multi-Tran)* 8022 (AC adaptor) (110V) 8023 (AC adaptor) (220V) 7256 (Output cord) |
MODEL 2300R
Fork Current Tester
MODEL 2300R
• True RMS reading is an essential feature for accurate measurement.
• “Non Contact” voltage function indicates the presence of AC voltage by warning the user with an audible signal.
• Set the DC current range to zero in one touch with the Zero Adjust function.
KEW FORK 2300R can be used in crowded connection boxes, where cables are very short, and space is too limited to clamp cables using with a traditional clamp meter.
True RMS (Root Mean Square) Value Measurement
When load current is not affected by the distortion, both averaging value type and true RMS (root mean square) type clamp meters show the almost same value of about 10A with constant wave-form as the above display samples. However, when load current is affected by some distortions such as inverter, etc...,averaging value type clamp meter indicates 5.5A instead of 9.7A and true RMS type clamp meter indicates 7.9A instead of 9.7A with irregular wave-form. Accordingly, true RMS type clamp meter is recommendable for the measurement of the equipment with inverter control devices.
Due to the use of thyristors, inverters and other energy-saving controllers in recent electric wiring, current waveforms often include harmonic components and are distorted compared to sinusoidal waves (50/60Hz).
The Kyoritsu True RMS value tester is able to measure distorted waveforms using true RMS since waveforms are being internally calculated continuously. In contrast, when measurements are made with a averaging value tester, errors are generated in the measurement value because the tester cannot continuously track distorted waveforms.
(Compared to the true RMS value tester, measurement values for the averaging value generate more than 30% errors in some cases.)
| Current measurement | AC A 0 to 100.0A ±2.0%rdg±5dgt (50/60Hz) DC A 0 to ±100.0A ±2.0%rdg±5dgt |
|---|---|
| Crest factor | 2.5 |
| Non contact voltage | Detect AC voltage without contacting with socket wire During voltage detection, "Hi" flashes and a buzzer sounds |
| Maximum digit | 1,049 |
| Conductor size | Max Ø10mm |
| Safety Standard | IEC 61010-1 CAT III 300V Pollution degree 2 |
| Power source | R03 (AAA) × 2 (Auto power off: approx.10 minutes) *Continuous measuring time: AC A approx. 46 hours DC A approx. 52 hours |
| Dimensions | 161.3(L) × 40.2(W) × 30.3(D)mm |
| Weight | 110g (with batteries) |
| Included Accessories | 9113 (Carrying Case) R03 (AAA) × 2 Instruction Manual |
KEW 2056R
AC/DC Digital Clamp Meters
KEW 2056R
• Designed to meet international safety standard IEC 61010-1 CAT IV 600V.
• CAT IV Clamp Meters can measure the Voltage and Current in both every low and high power circuits.
• Very useful for power distribution companies, power utilities and maintenance fields.
• True RMS enables an accurate measurement.
| AC A | 0 - 600.0/1000A ±2.0%rdg±5dgt (50/60Hz) ±3.5%rdg±5dgt (40 - 500Hz) |
|---|---|
| DC A | 0 - 600.0/1000A ±1.5%rdg±5dgt |
| AC V | 6/60/600V Auto Ranging ±1.5%rdg±4dgt (50/60Hz) ±3.5%rdg±5dgt (40 - 400Hz) |
| DC V | 600m/6/60/600V Auto Ranging ±1.0%rdg±3dgt |
| Ω | 600/6k/60k/600k/6M/60MΩ (Auto Ranging) ±1%rdg±5dgt (600 - 6M) / ±5%rdg±8dgt (60M) |
| Continuity buzzer | Buzzer Sounds at 100Ω |
| Temperature | -50ºC - +300ºC (With the use of Temperature probe 8216) |
| Frequency/DUTY | 10/100/1k/10kHz (Auto Ranging) / 0.1 - 99.9% |
| Conductor size | Ø40mm |
| Safety Standard | IEC 61010-1 CAT IV 600V, IEC 61010-031, IEC 61010-2-032, IEC 61326 |
| Power source | R03 (1.5V) (AAA) × 2 |
| Dimensions | 254(L) × 82(W) × 36(D)mm |
| Weight | 310g |
| Included Accessories | 7066A (Test leads) 9094 (Carrying case) Instruction Manual |
| Optional Accessories | 8008 (Multi-Tran) 8216 (Temperature probe) |
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