New Products
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TES-593R
- Use rechargeable lithium-ion battery pack
- Frequency range 10MHz to 8GHz.
- 3 axis isotropic measurements of EMF.
- Non-directional (isotropic) measurement with three-channel measurement probe.
- High dynamic range.
- Configurable alarm threshold and memory function.
- LCD backlight function.
- Easy & safety to use.
APPLICATIONS: - High frequency (RF) electromagnetic wave
field strength measurement. - Mobil phone base station antenna radiation
power density measurement. - Wireless communication applications
(CW, TDMA, GSM, DECT). - RF power measurement for transmitters.
- Wireless LAN (Wi-Fi) detection, installation.
- Spy camera, wireless bug finder.
- Cellular/Cordless phone radiation safety level.
- Microwave oven leakage detection.
- Personal living environment EMF safety.
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TES-3250
- Large LCD Display、Easy to use
- Check the color difference between two samples
- Economical, Portable and easy to use
- Color difference displayed Δ(L*,a*,b*), Δ(E*ab,
C*ab, H*ab), Δ(Y, x, y), Δ(X, Y, Z), Δ(Rs, Gs, Bs) or
Δ(WI, YI, Tw) - Color space displayed (L*, a*, b*), (L*, C*ab, hab),
(Y, x, y), (X, Y, Z), (Rs, Gs, Bs) or (WI, YI, Tw) - Statistical function (Maximum, Minimum, Average and
Standard Deviation) - Color difference tolerance set to perform PASS/WARN/FAIL
- Store 9 color – difference target colors
- User calibration function ensures higher accuracy
- Auto memory (99 sets) & Read function
- Auto Power off function
- LCD backlight function
- Mini-USB interface.
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TES-3260
- Large LCD Display、Easy to use
- ℃ / ℉ Selectable
- Backlight LCD display
- Laser targeting
- Auto Hold function
- Maximum/Minimum reading recorder function
- Data memory and read function
- Auto-Power off function
- User temperature calibration function
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TES-3145 / TES-3145U
- 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)
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TES-1389 / TES-1389U
- Personal dietary sugar content confirmation
- Food industry:
Beverages, fruits and sweets - Industry:
Monitoring of lubricants in machines and quality control - Agriculture:
Determination of the degree of ripeness of fruit for quality control in harvesting - Wide measuring range (Brix 0 ~ 53%)
- Refractive index measurement (RI)
- Temperature measurement (°C/°F)
- Ambient temperature compensation (ATC)
- Brix or RI high/low limit value alarm function
- Zero calibration with distilled or deionized water
- Friendly operation and easy to use
- Wide and dual display LCD and backlight function
- Reliable water resistant (IP65)
- Auto power off function
- Data memory and read function
- Auto data logger function (1389U)
- USB Interface (1389U)
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TES-3196
- 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

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TES-3142 / TES-3142U
- 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)
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TES-1386/TES-1386U
- 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 (1386U)
- USB interface (1386U)
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PROVA 136
- 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

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PROVA A9+
- Designed for EV (Electric Vehicle)
- Both lower DC Current and High DC Current(1000A)
- 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
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SP-500
- 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)
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PROVA-135
- 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.
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PROVA - A11
- 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.
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TES-3079M
- 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
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TES-2950
- 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.
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TES-1162
- 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
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TES-1337B
- 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.
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PROVA-A1/PROVA-A3
- 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
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TES-3100
- 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
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TES-660A /TES-660
- 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)
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TES-3013 / TES-3014
- 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.
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TES-1339P
- 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.
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PROVA 1660
- 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.

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TES-3910
- 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.
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TES-1160 / TES-1161
- 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)
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TES-1150/TES-1151
- 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)
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TES-2900
- 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.
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TES-5321 / TES-5322
- 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
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TES-1358E
- 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.
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TES-5200
- 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.
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TES-5110
- 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.
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TES-1358C
- 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.
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TES-137
- 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.
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TES-136
- 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.
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TES-3900/TES-3901
- Variable-frequency drives (VFD) V & Hz measurement.
- LoZ voltage measurement to drain ghost voltages.
- Check 3Φ 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 (C-F) & Harmonic Ratio (H-R) measurement. (3901)
- Backlight display function. (3901)
- Data hold, Auto hold & Peak hold mode.
- Max/Min record mode.
- Data memory & read function
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