UT281 series can measure large currents in various harsh and hard to reach environments. They are designed with Rogowski flex coil and can test up to 3000A AC current. UT281A/C are from UNI-T’s Pro Line series, which meet IP54 and 2m drop proof requirements. Due to the ease in operation, accurate readings, stable performance and reliable quality, these flex clamps are ideal tools for electricians.
| Weight | 0.3 kg |
|---|---|
| Dimensions | 32 × 18 × 3 cm |
| Specifications | Range | UT281E |
| AC current (A) | 30A/300A/3000A | ±(3%+5) |
| Frequency response | 45Hz~500Hz (sine wave) | √ |
| Inrush current | 0.5A~3000A (for reference) | √ |
| AC voltage (V) | 600V | ±(1.2%+3) |
| Resistance (Ω) | 60MΩ | ±(1.2%+3) |
| Frequency (Hz) | 20Hz~30kHz | ±(1%+2) |
| Features | ||
| Range selection | Auto (manual range available in current measurement) | |
| Flex coil size | 18” (45.7cm) radius: 3.1” (8cm) | |
| Display count | 6000 (3000 in current measurement) |
|
| Refresh rate | 3 times/s | |
| True RMS | √ | |
| Display interface (LCD) | Dual | |
| Data hold/Buzzer | √ | |
| Auto power off | √ | |
| Low battery indication | √ | |
| Backlight/Function selection | √ | |
| 2m drop test | √ | |
| General Characterisitics | ||
| Power | 1.5V battery (R03) x 3 | |
| Display | 32 x 34mm (1.8 inches) | |
| Product color | Red and grey | |
| Product net weight | 250g | |
| Product size | 325mm x 180mm x 30mm | |
| Standard accessories | Batteries, test leads | |
| Standard individual packing | Gift box, blister, English manual | |
| Standard quantity per carton | 10pcs | |
| Standard carton measurement | 435mm x 380mm x 245mm | |
| Standard carton gross weight | 6.3kg | |
Brand
UNI T
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LCR Meter
UT622A Digital Inductance LCR Meter
Specifications UT622A UT622C UT622E Certificates CE, RoHS Test frequency 100Hz, 120Hz, 1kHz, 10kHz 100Hz, 120Hz, 1kHz, 10kHz, 100kHz 100Hz, 120Hz, 1kHz, 10kHz, 100kHz Test signal level 0.1Vrms, 0.3Vrms, 1Vrms Output impedance 100Ω Measurement parameters Primary: L/C/R/Z
Secondary: D/Q/θ/ESRPrimary: L/C/R/Z/DCR Secondary: D/Q/θ/ESR Auto LCR √ Test terminals Three-terminal test jacks, five-terminal test sockets Test rate Fast (20 times/s), medium (5 times/s), or slow (2 times/s) DCR test rate — — Fast (20 times/s), medium (5 times/s), or slow (2 times/s) Ranging mode Auto/hold Tolerance range 1%~20% Testing circuit mode Series/parallel mode Clearing correction Open/short circuit Fuse of test ports 0.1A/250V Communication interface Mini-USB LED alarm for tolerance
(pass: green; fail: red)√ √ √ Display range Maximum reading 99999 Minimum resolution 0.0001 Maximum accuracy 0.001 L 0.00μH~99.999H C 0.00pF~99.999mF Z/R 0.0000Ω~9.9999MΩ ESR 0.0000Ω~999.99Ω D 0.0000~9.9999 Q 0.0000~99999 θ -179.9°~179.9° DCR — — 0.01mΩ–20.000MΩ Temperature coefficient 0.1× (specified accuracy) /°C (0°C~18°C or 28°C~40°C) General Characteristics Power 3.7V 1800mAh lithium polymer battery; Input: 220V (1±10%), 50Hz (1±5%); Mini-USB output: 5V, 1A Display 2.8′ TFT LCD 320X240 Product net weight 420g Product size 93mm x 192mm x 44mm Standard accessories Short circuit board (UTR-001), USB cable, 5V 1A power adapter, Four-terminal Kelvin testleads (UTR-L100k-H) (UT622C/E), Alligator clip test leads with rubber plugs (UTR-002)(UT622A), English manual SKU: n/a
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5. Zero mode
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9. Complies with CE (European Union) directives
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MS 2109A ACA DCA Digital Clamp Meters
● Display 6000 counts
● Jaw Opening Ф26mm/1.0″
● Auto Ranging
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● Non-Contact Voltage Detector
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● Diode Open Volatge 2.7V
● Continuity Buzzer <50±20Ω
● MAX/MIN
● Data Hold
● Display Backlight
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