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        2. New Products
          • TES-3145 / TES-3145U

            Anemometer

            • Air flow volume
            • Instant/Avg/2/3 V max flow measurement
            • Velocity m/s, f t/min
            • Temperature, Humidity & Atmospheric measurement
            • Calculate Dew point temperature, Wet bulb
              temperature, Wind chill temperature, Humidex
              temperature and Heat index temperature.
            • Data hold & Maximum/Minimum/Average function
            • Manual data memory and read function: 99 sets
            • Auto data memory: 4GB microSD card (3145U)
            • USB interface (3145U)
          • TES-1389 / TES-1389U

            BRIX METER

            • Wide measuring range (Brix 0 ~ 53%)
            • Refractive index measurement
            • Temperature measurement
            • Ambient temperature compensation
            • Friendly operation and easy to use
            • Wide and dual display LCD
            • Reliable water resistant (IP65)
            • Data memory and read function
            • Auto data logger function (1389U)
            • USB Interface (1389U)
          • TES-3196

            AC/DC Gauss Meter

            • Use a uniaxial Hall effect transverse probe with automatic temperature compensation
            • User select Gauss, Tesla or Ampere/Meter readings
            • DC Zero function & AC Trms measurement
            • Data Hold & Maximum/Minimum record function
            • Relative & Alarm High/Low limit function
            • X, Y and Z axis vector summing function
            • LCD backlight & auto power off function
            • Manual memory stores up to 99 data

              APPLICATIONS
            • DC magnetic field meter measuring static magnetic strength
            • AC magnetic field meter measuring the wave motion of the electromagnetic field (EMF)
            • After machine component are processed, remain the magnetism to measurement
            • Magnetic force measurement of the magnetisable material
            • Magnetic application products, the intensity of magnetic field measurement
            • Electrical home appliances products, the magnetic field intensity measurement of the motor
            • Exceed the leakage magnetic field of conducting the magnetite to measure
            • Magnetic field intensity measurement of the permanent magnet
            • Various steel products brought magnetic measurement naturally
          • TES-3142 / TES-3142U

            Pitot Tube Anemometer & Differential Pressure Manometer

            • Air flow volume
            • Differential pressure, Stagnation pressure and
              Static pressure measurement
            • Instant/Avg/ 2/3 V max flow measurement
            • Velocity m/s, f t/min
            • Temperature, Humidity & Atmospheric measurement
            • Calculate Dew point temperature, Wet bulb
              temperature, Wind chill temperature, Humidex
              temperature and Heat index temperature.
            • Data hold & Maximum / Minimum / Average function
            • Manual data memory and read function: 99 sets
            • Auto data memory: 4GB microSD card (3142U)
            • USB interface (3142U)
          • TES-1386/TES-1386U

            TURBIDITY METER

            • Water Quality Testing
            • Test Tap Water
            • Food and Beverage water
            • Other related water quality testing
            • Auto-ranging from 0 to 1000 NTU (Nephelometric Turbidity Unit)
            • Waterproof and dustproof with IP65-rated housing that floats
            • Meets performance criteria as specified by ISO 7027
              (DIN EN 27027) method
            • Low battery alarm and auto shut off after 10 minutes of non use
            • Large LCD display and backlight function
            • Four point calibration for full-range accuracy
            • Maximum/minimum, alarm and relative function
            • Manual data memory and read function
            • Auto data logger function (1387)
            • USB interface (1387)
          • PROVA 136

            Temperature Calibrator (RTD + TC)

            • High precision and combination of RTD and Thermocouple (TC) calibration
            • Source and measure 14 types of RTD and resistance
            • Source and measure 11 types of thermocouples (TC)
            • 4W, 3W, and 2W connections for RTD simulation and measurement
            • Current calibration of 4 fixed values (100μA, 250μA, 1mA, and 2mA)
            • ℃ and ℉ selectable
            • Accept wide range of excitation current (0.05mA to 5mA) for RTD simulation
            • Individual cold junction compensation (CJC) for simulation and measurement of thermocouples. CJC can be used to fine tune temperature calibration.
            • Easy 0% and 100% setup and operation
            • Easy 25%▲ (up) and 25▼ (down) for temperature calibration.
            • Individual memory of 0% and 100% setup for different RTD types and thermocouple types
            • Auto step and auto ramp for easy linear calibration
            • Detection of too low or too high excitation current (LO or HI) from the measurement device
            • Warning of exceeding calibrator driving current (IEX)
            • Memory of last setup when power off
            • Easy numerical keypad for input
            • Dot Matrix LCD with backlight
            • Very low power consumption of 30mA with backlight off
            • 15 minutes smart auto-power-off. 15 minutes timer resets itself when any input changes
            • 2 minutes smart auto-backlight-off. 2 minutes timer resets itself when any input changes
          • PROVA - A9

            AC/DC TRMS Mini Clamp Meter

            • Accurate AC/DC digital clamp meter
            • Best accuracy ±1.5%±3dgts
            • AC 1mA, DC 10mA high resolution
            • True RMS measurement
            • One touch zero (Δ) for DCA adjustment
            • 25 mm diameter jaws
            • Fast bar graph display (30 times/sec.) for transient observation
            • In-Rush Current Measurement with 100mS integration time
            • Non-Contact Frequency Measurement (min. sensitivity 0.06 AC A)
            • Non-Contact Voltage (NCV) Detection from 80V to 600V at 50/60Hz
            • Low Pass Filter (LPF) at 1 KHz Cut-off Frequency
            • Large 3 3/4 digits LCD
            • Data Hold function
            • 15 minutes auto-power-off with beeping warning before turning off
            • Backlight with 5 minutes of auto-backlight-off
            • Easy single rotary switch for any function selection
            • Ideal for works in crowded switch box or cable areas
          • SP-500

            Integrating Sphere

            • 500mm internal sphere (includes a lamp holder, baffles, and ports for photometers)
            • Light weight and easy move
              APPLICATIONS:
            • As a light collector
            • As uniform light source
            • Luminance/Radiance calibration
            • Reflectance measurement (Color measurement Fluorescence spectroscopy)
            • Beam Power measurement (total power of a beam of optical radiation)
            • Lamp Flue measurement (total geometric luminous flux of a light source)
            • Laser Power measurement
            • IR Reflectance measurement
            • Irradiance measurement (Laser, LED, and Halogen lamps)
          • PROVA-135

            4-20mA Loop Calibrator + Thermometer

            • Source 4~20mA, 0~24mA with 1μA resolution (1KΩ load, 24V loop supply), basic accuracy 0.025%.
            • Source 0~24.000V with 1mV resolution.
            • Source frequency 1~20000Hz square wave with programmable duty cycle (1~99%).
            • Auto step and auto ramp for sourcing mA, V.
            • Easy fixed 25% up and down, or programmable percentage (1~99%) increase and decrease (mA, V).
            • Measure DC mA with loop power (24V output).
            • Measure DC V.
            • Measure Temperature (°C, °F) of 11 types of thermocouples (K, J, E, T, R, S, N, L, U, B and C).
            • Calibrator grade precision temperature measurement with 0.1*C & 0.1*F resolution.
            • Detection of thermocouples disconnection.
            • Source and Measure at the same time.
            • Warning for overload, output open (mA) or short (V).
            • Short circuit protection for output.
            • Battery power indication (%) when turn on the calibrator.

              Applications:
            • Calibration of 4~20mA panel meters.
            • LED brightness testing (0~24mA).
            • Temperature calibration of panel meters or instruments for 11 types of thermocouples.
          • PROVA - A11

            mA AC/DC Clamp Meter

            • Very high resolution DC 1mA, AC 0.1mA.
            • AC/DC (mA, A) current measurement: 6A / 60A.
            • AC/DC (V) voltage measurement: 60V / 600V.
            • AC current measurement: TRMS.
            • Resistance, Continuity, Capacitance, Diode and Temperature (℃/℉) measurement.
            • Voltage/Current Peak value measurement.
            • 6000 counts
            • Auto and Manual ranges for AC mA, AC/DC V, Resistance and Capacitance.
            • One Touch Zero for DCA adjustment.
            • 25mm large jaw diameter.
            • Auto-power-off function (30 min.) and Backlight.
            • Delta ( ) functions w.r.t. hold value.
            • Dual display: Hold + Ave, Max + Min,ΔMax +ΔMin.
            • Dual display (peak hold): Hold + Ave, Peak Max + Peak Min,ΔPeak Max +ΔPeak Min.
            • Low Pass Filter (LPF, 1KHz, -3dB) (e.g. for VFD measurement)
            • 600V overload protection for Resistance and Capacitance measurement.
            • Ideal for works in crowded switch box or cable areas.
          • TES-3079M

            HVAC Trms Clamp Meter (1000A)

            • 10 in 1 multifunction clamp meter
            • Voltage, Current, Power, Horse power, Reactive power, Apparent power, Phase angle, Frequency, Power factor, Phase sequence, Temperature, Resistance, Capacitance, Diode
            • Trms reading/Dual display/Auto power off
          • TES-2950

            LCR Trms Multimeter

            • Variable-frequency drive (VFD) V & Hz measurement.
            • Data hold, Auto hold & Peak hold mode.
            • Max/Min/Avg record mode.
            • Relative value display.
            • Frequency Count (Auto-Ranging).
            • Temperature type K, J measurement.
            • Inductance & Capacitance measurement.
            • 20MHz TTL logic check.
          • TES-1162

            Thermo / Hygro / Barometer

            • 1.8%RH high Accuracy Humidity measurement
            • Triple LCD displays Barometric pressure,
              Temperature, and Relative humidity
            • Absolute humidity, Mixing ratio and Enthalpy reading
            • Water vapor pressure and Water saturation pressure reading
            • Pressure trend and tendency (P3h) reading
            • Heat Index and Humidex reading
          • TES-1337B

            Lux Intensity Meter

            • Application:Street Lighting,tummel lighting,etc.
            • Luminous intensity(cd)=Lux x Distance2
            • Spectral correction factor function (include LED)
            • User calibration function (CAL)
            • Dual Display, 4-digit LCD reading.
            • Spectral Sensitivity close to CIE photopic Curve.
            • Measuring Levels Ranging 0.01 to 200.0 Klux, 0.001 to 20.00 Kfc,
              Autoranging 5 step.
            • Accurate and Instant response.
            • Luminous intensity measurement.
            • Data Hold function.
            • Data memory and read function.
            • Point - average function.
            • Auto power off function.
          • PROVA-A1/PROVA-A3

            DC/AC Clamp Meter

            • Five kinds of Dual display:
              Hold + Average
              Max + Min
              ΔMax + ΔMin
              Peak Max + Peak Min
              Δ Peak Max + Δ Peak Min
            • With Backlight
            • Auto Range: V, A, Resistance, Capacitance and Temperature.
            • Auto-Power-off function (30 min)
            • Ideal for works in crowded switch box or cable areas
          • TES-3100

            VIBRATION METER

            • Measures acceleration, Velocity and displacement
            • RMS, EQ PEAK and EQ P-P measurement
            • Wide range of vibration measurement by using different sensitivity of accelerometers
            • Maximum/Minimum record function
            • Earphone output for detecting noise in machine components
            • Manual memory stores up to 99 data

          • TES-660A /TES-660

            Micro Noise Dosimeter (Badge Type)

            • No Mic. Extension Cable required.
            • Lightweight and small size
            • Rechargeable battery
            • Calculates all the popular noise dose parameters ? Wide dynamic range from 70 to a full 140dB
            • Measures simultaneously 3dB, 4dB, 5dB or 6dB exchange rates
            • Intrinsically safe (660A)
          • TES-3013 / TES-3014

            Digital Clamp Meter

            • Category: CAT II 1000V , CAT III 600V
            • Capacitance measurement 2000μF.
            • Variable-frequency drive VFD voltage & Current measurement.
            • ACA: 600A (3013), 1000A (3014)
            • Peak / Data Hold.
            • Frequency Count / Diode Check.
            • Continuity Buzzer.
          • TES-1339P

            Photosynthesis Light Quantum Meter

            • Autoranging 5 steps and conversion to μmole/m2/s (PPFD: Photosynthetic Photon Flux Density).
            • Integral illuminance measurement and conversion to mole/m2/d (Daily light integral).
            • Luminous intensity measurement.
            • Point - average function.
            • User calibration factor (CAL) and spectral correction factor (SCF) function. (include LED)
            • Time-hold function.
            • Dual Display, 4 digit LCD reading.
            • Spectral Sensitivity close to CIE photopic Curve.
            • Accurate and Instant response.
            • Data Hold function.
            • Data memory and read function.
            • Reference value stored for relative or
              percentage deviation measurement.
            • Ripple measurement for STRAY + LIGHT function.
            • Comparator function.
            • Auto power off function.
            • Auto datalogging & USB interface.
          • PROVA 1660

            Transformer Turns Ratio Meter

            • Measurements of 1Φand 3ΦTransformer/VT/CT Turns Ratio.
            • VT/PT ratio 0.8~10000, CT ratio 0.8~2000.
            • Graphical and Literal Illustration of Measurements and Connections with Large Back-lighted Dot Matrix 240 x 128 LCD. Display Test Data with Nameplate Transformer Values for Easy Interpretation.
            • Ten Test Frequencies (50~400Hz).
            • Display Turns Ratio, Deviation, Secondary Output, Excitation Voltage and Current, Phase Angle and Nameplate Transformer/VT/CT Values in one page for easy transformer quality interpretation.
            • Check for Live Test Points, Short Circuit, Open Circuit, and Reverse Polarity before Each Measurement. Message is displayed to Warn Users (But, checking is not performed once measurement starts).
            • Store 4096 Files of Transformer Nameplate Values (VT/PT/CT, 1Φ/3Φ, Test Frequency, Primary and Secondary Voltages or Ratio, RCF) and Measuring Data.
            • 9 types of 3Φ Windings Connections pre-installed for easy user selection.
            • Wireless Blue Tooth Communication with PC.
            • Select Filter to Remove Field Noise (Slow, Normal, Fast).
            • Disable or Enable Auto-Power-Off with Programmable Time.
            • Built-in calendar clock.
              Records with Date and Time Stamp.
            • Powerful Lithium Battery (3400mAH) with built-in Charging Circuit.
            • User Programmable RCF (Reference Correction Factor, 0.99~1.01) to Correct Accuracy within 1% Error.
            • Friendly File System for Easy On-site Data Retrieval and Nameplate Values Management.
            • PC Application Software included.
          • TES-3910

            Trms Clamp Meter (DC/AC 1000A)

            • Capacitance measurement 1000μF
            • Variable-frequency drive (VFD) V & Hz measurement.
            • Lo-Z voltage measurement to drain ghost voltages.
            • Check 3Φ phase sequence.
            • True RMS reading on AC and DC+AC mode.
            • Inrush current measurement.
            • A measurement for HVAC flame sensors.
            • mV measurement range to interface with other accessories.
            • Crest Factor & Harmonic ratio measurement.
            • Data hold, Auto hold & Peak hold mode.
            • Max/Min/Avg record mode.
            • Data memory & read function.
          • TES-1160 / TES-1161

            Thermo / Hygro / Barometer

            • Triple LCD displays Barometric pressure,
              Temperature, and Relative humidity.
            • Dew point and Wet bulb temperature reading.
            • Absolute humidity, Mixing ratio and Enthalpy reading.
            • Water vapor pressure and Water saturation pressure reading.
            • Pressure trend and tendency (P3h) reading.
            • Heat Index and Humidex reading.
            • MAX/MIN with Time Stamp. ? Comparator function.
            • Alarm output function.
            • Auto power off function.
            • Data Hold function.
            • LCD backlight control function.
            • Manual data memory and read function.
            • Auto data logger function. (1161)
            • USB Interface. (1161)
          • TES-1150/TES-1151

            Digital Sound Level Meter

            • 0.1dB resolution.
            • Range from 30 to 130dB.
            • Maximum hold function.
            • A, C, Z frequency weightings.
            • A, C, Z peak hold function.
            • Fast, Slow and Impulse dynamic characteristic models.
            • AC/DC output jack.
            • Back-screw for tripod fixture.
            • Micro-USB (1151)
            • Auto data memory microSD CARD 4GB. (1151)
          • TES-2900

            True RMS MULTIMETER

            • Variable – frequency drive (VFD) V & Hz measurement.
            • Lo – Z voltage measurement to drain ghost voltages.
            • Check 3? phase sequence.
            • Voltage harmonic ratio measurement.
            • Smart ohm for ground resistance measurement.
            • Data hold & Auto hold mode.
            • Max/Min/Avg record mode.
            • Relative value display.
            • Frequecy count. (Auto-Range)
            • Temperature type K, J measurement.
            • Capacitance measurement.
            • Data memory & read function.
          • TES-5321 / TES-5322

            PM2.5 Air Quality Monitor (read directly)

            • Simple tool for air dust measurements (indoor)
            • Direct reading field air pollution degree
              No need for mobile phones to download data from cloud, no Internet Traffic problem,Easy use battery or AC adaptor to power the meter
            • Accurate Temperature and Humidity measurements
            • Mixed-gas VOCs(Volatile Organic Compounds) measurements,with high sensitivity to H2, C2H5OH,C4H10 and CH4 gas(TES-5322)
            • PM2.5 MAX/MIN with time stamp function
            • Health index(0-9) detection and alarm , six-color LED indication air quality index category

              Application:
            • Provide people with safety and health indoor environment
            • Portable to monitor any environment air quality
            • Investigate the effectiveness of different strategies to reduce particulates
            • Air quality investigations
          • TES-1358E

            Sound Analyzer

            • Compliant with IEC 61672-1 class 1 standard.
            • Real-time 1/1-Octave and 1/3-Octave analysis.
            • Measurement can be started by internal or external trigger.
            • Comparator output to trigger external devices.
            • Super high – contrast backlight TFT – LCD color display.
            • Dynamic range of 90dB.
            • AC and DC outputs.
            • Data transfer using USB.
            • micro SD CARD 4GB.
          • TES-5200

            Particle Mass Counter

            • Particle mass & particle counter in a single handheld unit.
            • Six mass ranges and eight particle sizes.
            • User K-factors setting for special particulate with different densities.
            • Integrated temperature / humidity sensor (no need for external add-on).
            • Flow rate 2.83 L / minute (0.1 CF / minute).
              ? Rechargeable battery provides up to 4 hours of continuous operation (charge time 2.5 hours).
              ?Buffer function allows storing and redisplay of up to 500 measurement data sets.
              ?SD storage device.
          • TES-5110

            Particle Counter

            • Six particle size channels : 0.3μm, 0.5μm, 1.0μm, 2.0μm, 5.0μm, 10μm
            • Integrated temperature / humidity sensor (no need for external add-on).
            • Flow rate 2.83 L/minute (0.1 CF / minute).
            • Rechargeable battery provides up to 4 hours of continuous operation (charge time 2.5 hours).
            • Buffer function allows storing and redisplay of up to 500 measurement data sets.
            • SD storage device.
          • TES-1358C

            Sound Analyzer Real Time 1/1 & 1/3 Octave band Analysis

            • Super high – contrast backlight TFT – LCD color display.
            • Compliant with IEC 61672-1 class 2 standard
            • Real-time 1/1-Octave and 1/3-Octave analysis.
            • Measurement can be started by internal or external trigger.
            • Comparator output to trigger external devices.
            • Data transfer using USB.
            • Dynamic range of 90dB.
            • Real time clock with calendar.
            • AC and DC outputs.
            • micro SD CARD 4GB.
          • TES-137

            Luminance Meter

            • Dual Display, 4-digit LCD reading.
            • Spectral Sensitivity close to CIE photopic Curve.
            • Measuring Levels Ranging 0.001 to 1999k cd/m2, 0.001 to 580.0k fL, Autoranging 7 step.
            • Accurate and Instant response.
            • Luminance ratio A/B, deviation %A,different B-A and peak luminance measurements.
            • User calibration factor and color-correction functions.
            • Accumulation luminance measurement.
            • Max/Min/AVG function.
            • Backlit function.
            • Comparator function.
            • Data Hold function.
            • Data memory and read function.
            • Data logger function.
            • USB Interface.
          • TES-136

            CHROMA METER

            • Triple Display, 4-digit LCD reading.
            • LED Color Bin select function (x,y) or (Tcp,Δuv).
            • User calibration function.
            • User reference value setting function.
            • Illuminance maximum/minimum measurement function.
            • Data Hold function.
            • Data memory and read function.
            • Data logger function.
            • USB Interface.
          • TES-3900/TES-3901

            Clamp Meter/Trms Clamp Meter

            • Variable-frequency drives (VFD) V & Hz measurement.
            • LoZ voltage measurement to drain ghost voltages.
            • Check 3? phase sequence.
            • Motor Inrush current measurement.
            • True RMS reading on AC and DC+AC mode. (3901)
            • uA measurement for HVAC flame sensors. (3901)
            • mV measurement range to interface with other accessories. (3901)
            • Crest Factor & Harmonic ratio measurement. (3901)
            • Data hold, Auto hold & Peak hold mode.
            • Max/Min record mode.
            • Data memory & read function.

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