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UT699-D/UT699-S Optical Time Domain Reflectometer
UT699-D/UT699-S Optical Time Domain Reflectometer
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Regenerative AC Source & Load ANRGL(F)
Regenerative AC Source & Load ANRGL(F)

UT281 Series AC Flex Clamp

The UT281 series True RMS Flexible Clamp Meters are high-precision, multi-functional electrical measuring instruments. Boasting a current measurement range of up to 6000A, they are equipped with a 1100mm-long(UT281E+/F) flexible coil. These meters find extensive application across diverse fields including smelting, communications, manufacturing, petroleum, power, electrical engineering, and photovoltaic stations.

Models in UT281 series: UT281D，UT281E+，UT281F

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Description

Features of UT281 series Flex clamp

Certifications: CE, cETLus, RoHS

  • 6000 count true RMS measurement;
  • Current range (auto ranging for each level)： UT281D: AC 6000A;
    UT281E+/F: AC 10000A;
  • Inrush current: UT281D/UT281E+: 6000A
    UT281F: 1000A
  • A flexible coil:
    UT281D: 550mm (conductor φ: 175mm);
    UT281E+/F: 1100mm (conductor φ: 350mm)
  • Frequency response: 45Hz – 500Hz;
  • AC/DC voltage: 1000V;
  • Resistance: 60MΩ ;
  • Power relative function (UT281F only):
    Power test: up to 3600kW
    Electrical energy: up to 3600kWh Power factor & Phase angle test
  • LCD dual-display: AC V + Hz; ACA + Hz
  • Alarm prompts;
  • CAT III 1000V / CAT IV 600V & IP54;
  • 2m drop protection.

Model

UT699-S

UT699-D
Wavelength1550nm (Supports 1577nm Live Fiber Test)1310nm±20nm/1550nm±20nm
Dynamic Range20dB22dB/20dB
Number of Optical Ports1
Test Range0.1 to 80km
Fiber TypeSingle mode
Optical PortSC/UPC
Pulse Width5ns to 20μs
Measurement Time5s to 180s
Real-time Refresh Rate2Hz
Attenuation Dead Zone10m
Event Dead Zone＜3m
Sampling Point15600
MIN Sampling Interval0.16m
Linearity±0.05dB/dB
Loss Threshold0.01dB
Loss Resolution0.001dB
Distance Uncertainty± (0.8 + 0.005% *Distance + Sampling Resolution) m
Input Light DetectionSupported
Refractive Index Setting1.0000 to 2.0000
OPM Functions
Port2.5mm universal port
Detector TypeInGaAs
Response Wavelength700 to 1700nm
Calibrated Wavelengths850/980/1270/1300/1310/1490/1550/1577/1625/1650nm
Power Range+30 to -50dBm (C-type)
AccuracyC-type: ±0.4dB(1310/1490/1550/1625nm) ±1dB(850/980/1270/1300/1577/1650nm)
Display Precision0.01dBm
Display UnitdBm, dB, W (auto switch to mW, uW or nW)
Frequency Identification270/1K/2KHz
Wavelength Memory✔
User Self-CalibrationSupported
Relative MeasurementSupported
VFL Functions
Port2.5mm universal port
Wavelength650±20nm
Output Power10mW
ModeCW/1Hz/2Hz
OLS Functions
PortSC/UPC
Wavelength1550nm1310nm/1550nm
Output＞-5dBm
Power
ModeCW/270Hz/1kHz/2kHz/1kHz+Flashing/2kHz+Flashing
Others
Screen3.5-inch color screen, 320*480 resolution, touch screen
LED LightSupported
Auto Power OffSupported
Charging PortUSB flash drive can be used for temporary storage; Type-C port
Battery3.7V/2000mAh/Lithium battery
Battery IndicatorYes, 5-level indicator
Operating TimeStandby > 6 hours, Measuring > 4 hours
Charging IndicatorCharging (red), Fully charged (green)
Operating Temp/Humidity-10 to 50°C (Working); 0 to 45°C (Charging). <90% RH, non-condensing
Storage Temp/Humidity100% Battery: 1hr at -20 to 60°C, 24hrs at -20 to 45°C.
50% Battery: 12hrs at -20 to 60°C, 1 month at -20 to 45°C.
Recommended: 50% battery, 65±20% RH, 25°C environment.
Charge and discharge once every 3 months.
Size123mm x 76mm x 39mm
WeightAbout 206gAbout 211g
AccessoriesOptical Time Domain Reflectometer*1, Gift Box*1, User Manual *1, Type-C Cable *1, Cloth Bag*1.

UT281 Series Data Sheet

 1 file(s)  1 MB

UT699-D UT699-S Data Sheet

 1 file(s)  3 MB

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