VisioBrand - Official Site - Hotek Technologies

Radiometer, Ratio Transformer, Ratiometer, Recorders, Redox Measurement, Meter, Resistance Meter, Resistance Standard, Resistance Box, Resistor, Resistance Decade, Resistance Bridge, RF Amplifier, RPM Meter, RTD Calibrator, Ripple Noise Meter, Resistance Bridge, LCR,
Resistance Meter, Resistance Standard, Resistance Decade, Ratio Transformer, Ratio Measurement, Recorder Temperature Humidity.

ALPHABETICAL LIST OF PRODUCTS

YOU MAY WANT TO GO DIRECTLY TO THE ALPHABETICAL SECTION REQUIRED BY POINTING AT THE APPROPRIATE LETTER; THIS PAGE COVERS ONLY R:

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RADIOMETER

HD 9021 DIGITAL LIGHT METER QUANTUM-PHOTO-RADIOMETER
HD 9221 DIGITAL LIGHT METER PHOTO-RADIOMETER
DO 9721 DIGITAL QUANTUM PHOTO RADIOMETER AND THERMOMETER.

RATIO TRANSFORMER

Model 5560 Precision Seven Decade Inductive Voltage Divider.
Model 5560K Precision Two Stage Inductive Voltage Divider.
Model 5573 Precision High Voltage Resistance Divider.

RATIOMETER

Model 4167D Digital Transformer Ratiometer.
Model 4167P Portable Transformer Ratiometer.
Model 4167C Manual Transformer Ratiometer.
Model 4167DH Automatic Transformer Ratiometer.

RECORDERS ANALOG

LINAX 4000LContinuous Point Recorder for all standard measurement signals.
LINAX 4000M Continuous Point Recorder Pressure, moisture or electrical quantities.
LINAX 4000H Continuous Point Recorder RS 485/RS 232 interface.
POINTAX 6000M Point Recorder.
POINTAX 6000L2 Point Recorder. Logging of electrical quantities and temperatures.

RECORDERS DIGITAL

EC600 MicroLog Data logger. Temperature and external sensor Data logger, 16,000 measurements.
EC650 MicroLog Data logger. Temperature relative humidity and external sensor Data logger.
EC600 MicroLogplus wireless Data logger. Temperature and external sensor Data logger wireless communication.
EC650 MicroLogplus wireless Data logger. Temperature relative humidity and external sensor wireless monitor.
IPEX01TriLog Palm PC, MAC Data logger. Four sensors universal Data logger. TriLog slots behind the PALM
DAQPro 5300 Data logger. Eight-channel portable data acquisition and logging system with graphic displays and built-in analysis functions

Testo 454 The IAQ master data acquisition system. 6 assignable measurement inputs.
UDR Multifunction Recording Storage. Video Disk Recorder. Multi I/O.
SDM Multifunction Memory Recorder. Support Multi user, Multi I/O, Multi Format.

Testo 171 Temperature Humidity Logger. Range: -35° to 70°C (-50° to 158°F).
Testo 175 Temperature Logger. Thermo hygrographs for logging up to 4000 measured values.
Testo 1722 Temperature Logger. Logging up to 55,000 measured values with alarm output.
Testo 175-T1 1 Channel Temperature data logger with internal sensor. LCD display
Testo 175-T2 2 Channel Temperature data logger with internal sensor/external probe socket. Display.
Testo 175-T3 2 Channel Temperature data logger for external thermocouples sensors. Display.
Testo 175-H1 2 Channel Temperature Humidity data logger with internal sensors.
Testo 175-H2 2 Channel Temperature Humidity data logger with internal sensors. LCD display.
Testo 177-T1 1 Channel Temperature logger with internal sensor. Long time monitoring.
Testo 177-T2 1 Channel Temperature logger with internal sensor. Long time monitoring. Display.
Testo 177-T3 3 Channel Temperature logger with internal sensors. Event logging. LCD display.
Testo 177-T4 4 Channel Temperature logger for external thermocouples. LCD display.
Testo 177-H1 4 Channel Temperature humidity logger with internal/ext probe socket. LCD display.
Testo 575 Fast Printer and logger control.
Testo 580 Compact Data collector for data loggers.
Testo 175-S1 1 Channel Current Voltage Logger.

REDOX MEASUREMENT

Testo 252. Conductivity pH temperature Redox measurements with one instrument.
HD 8602 pH METER Combined instrument for measuring pH, mV and °C.
HD 8705 MICROPROCESSOR MULTIUSE pH METER pH, mV and temperature.
HD 9212 pH METER Combined instrument for measuring pH, mV and °C.
DO 9505 PORTABLE pH-METER THERMOMETER - DATA-LOGGER
CP-401 Waterproof pH-Meter. Accurate pH, temperature and ORP measurements.
CP-501, CP-502, Laboratory pH meters. Accurately measure: pH, Redox (mV) and temperature.
CPI-501, CPI-502 Laboratory pH and Ion meters. Enables ion-selective measurements in chosen units.
CPC-401 ph, conductivity, salinity meter. Highly accurate conductivity, salinity, TDS, pH, ORP (mV).
CPC-501, CPC-502 ph, conductivity meter. Conductivity, salinity, temperature, CPC pH and ORP (mV).
CX--401 Waterproof multifunction meter. pH, Conductivity, Salinity, Redox, Temperature, O2, pressure.
CX-501, CX-502 Multifunction laboratory meters. pH, Conductivity, Salinity, Redox, Temperature, O2.Printer.
CX-731 Multifunction Meter. pH, Conductivity, Ion, Redox, Temperature, O2, Lab use, RS232, Printer.
CX-732 Multifunction Meter. pH, Conductivity, Ion, Redox, Temperature, O2, RS232, Printer.
CX-741 Multifunction Meter. pH, Conductivity, Ion, Redox, Temperature, O2, Memory, RS232,
CX-742 Multifunction Meter. pH, Conductivity, Ion, Redox, Temperature, O2, Field and Lab use.

REFRIGERATION

Testo 650 Temperature, humidity, temperature, CO, CO2, rpm, mV, mA, dew point and % RH.

REGULATORS

HD 3020/1 DIGITAL LED TEMPERATURE REGULATOR (Kty81) Temperature regulator.
HD 3020/2 DIGITAL LED TEMPERATURE REGULATOR (Pt100) Temperature regulator.
HD 404 PANEL REGULATORS For Transmitter Connection ON/OFF Panel Regulators.
HD 4030 DIGITAL LED MODULATOR TEMPERATURE REGULATOR (Pt100)
HD 4030BM DIGITAL LED MODULATOR TEMPERATURE REGULATOR (Pt100)
HD 4032 DIGITAL LED TEMPERATURE REGULATOR (Pt100) Regulator.
HD 4034 DIGITAL LED TEMPERATURE REGULATOR (Pt100)
HD 4044 DIGITAL LED TEMPERATURE REGULATOR (KTY81)
HD 4045 DIGITAL LED TEMPERATURE REGULATOR (Pt100)
HD 4049 RELATIVE HUMIDITY REGULATOR
HD 5002 and 5002/5 ON/OFF DUAL TEMPERATURE AND HUMIDITY REGULATOR .
HD 9022 MICROPROCESSOR INDICATOR
DO 9404 DUAL MICROPROCESSOR INDICATOR Dual regulating indicator.
HD 4037 TWO SET POINT DIGITAL REGULATOR (Pt100)

RELATIVE HUMIDITY

HD 8501 DIGITAL THERMOMETER HYGROMETER Interchangeable probes.
HD 8901 DIGITAL THERMOMETER HYGROMETER Relative humidity, Dew point.
HD 9216 DIGITAL THERMOMETER HYGROMETER Temperature and humidity.
DO 9406 DIGITAL THERMOMETER HYGROMETER DATA LOGGER
HD206 MINI DATA LOGGER. Series data loggers for a long-term reliable monitoring.
Testo 400 Measures: temperature, % RH, dew point, pressure, velocity.
Testo 615 Measures humidity, temperature and dew point.
Testo 625 Measures humidity, temperature and dew point .
Testo 635 Measurement of humidity, temperature, dew point.
Testo 645 Temperature, relative absolute humidity, dew point.
Testo 650 Temperature, humidity, temperature, dew point and % RH.

RESISTANCE MEASUREMENT

Model 5875 & 5876 Safety Milli-Ohmmeter.
Model 5890 Micro-Ohmmeter 1.9 milliohm to 1900 ohm in 7 ranges.
Model 5895 Micro-Ohmmeter.10 milliohm to 100 ohm in 6 ranges.
Model 5876 Mains Power Milli-Ohmmeter.
Model 5893 Battery Micro-Ohmmeter.600 milliohm to 60 ohm.
Model 5897 High Current (100A) Portable Micro-Ohmmeter.400milliohm to 40ohm.
Model 5898 High Current (200A) Portable Micro-Ohmmeter.600milliohm to 6ohm.
Model 5896 High Current Micro-Ohmmeter.1milliohm to 100ohm 6 ranges.
Model PC9 Milli-Ohmmeter.20milliohm to 2 kohm full scale in 6 ranges.
Model ZY9858 Digital Micro-Ohmmeter.2milliohm to 2 kohm full scale in 7 ranges.
Model QJ84 Digital Resistance Test Instrument.20milliohm to 20 kohm.

DB601 Megohmmeter. Leakage current or insulation resistance.
DB602 Megohmmeter. Automatic testing insulation resistance of capacitors.
DB604 High Voltage Megohmmeter. Insulation resistance. Leakage in capacitors.
DB611 Megohmmeter with Floating Power Supply. Insulation resistance of cables.

METRAHit 27M Milliohmmeter, Multimeter and Data Logger, Temperature Meter
METRAHit 27I Insulation Tester, Milliohmmeter, Multimeter and Data Logger

METRAmax 6   Resistance Measuring Instrument with Analog Display
METRAOHM 413   Digital, Low-Value Resistance Measuring Instrument
MA 1H   Analog Multimeter, Basic Model for Hobby & Work 5A/1000V
MA 2H   Analog Multimeter for Electrical Applications Kl. 2.5 15A/1000V
METRAport 3E   Folding Analog Multimeter for High Performance Applications
METRAmax 2   Analog Multimeter with overload protection. Zero and left center.
METRAmax 3   Analog Multimeter with relay protection.
METRAHit 16I/T   Digital-Analog TRMS Multimeter with Insulation Measurement
METRAmax 14 Digital-Analog TRMS Multimeter for Electrical Applications
METRAmax 12 Digital-Analog Multimeter for Electrical Applications
METRAHit 30M   6½ place, precision TRMS laboratory multimeter, temperature, data logger.
METRAHit 29S   5¾ place, precision, TRMS multimeter, power meter and power disturbance.
METRAHit 28S   5¾ place, multifunctional, precision digital TRMS multimeter, system compatible.
METRAHit 27M Milliohmmeter, Multimeter and Data Logger, Temperature Meter
METRAHit 27I Insulation Tester, Milliohmmeter, Multimeter and Data Logger
METRAHit 26M   4¾ place, precision TRMS multimeter, temperature measuring, data logger CAT.IV
METRAHit 26S   4¾ place, precision Universal TRMS multimeter. Temperature measuring instrument.
METRAHit 25S   4¾ place, precision TRMS Universal multimeter. Temperature measuring instrument.
METRAHit 24S   4¾ place, precision multimeter and temperature. Universal measuring instrument.
METRAHit 23S   4¾ place, precision multimeter and temperature measuring instrument. CAT.III
METRAHit 22M   4¾ place, precision multimeter, temperature measuring instrument data logger.
METRAHit 22S   4¾ place, precision multimeter and temperature measuring instrument.
METRAHit 16I/T  Digital-Analog TRMS Multimeter with Insulation Measurement
METRAHit ONE METRAHit ONE 3½ place digital multimeter with analog bar graph and temperature measuring.
METRAport 32S   Folding, Universal TRMS Multimeter

RESISTANCE BRIDGES

DB230 LCR Component Tester. LCR Bridge high accuracy testing on production lines.
DB231 LCR Component Tester. LCR Bridge for manual, automatic high accuracy and high-speed testing.
DB232 LCR Component Tester. LCR high accuracy testing of components on production lines.
DB233 LCR Component Tester. LCR for manual as well as automatic high-speed high accuracy testing.
DB234 Component Tester. LCR for high accuracy testing of capacitors on production lines. Sorting.

Model 6401 LCR bridge. 0.25% nominal accuracy, 100/120Hz - 1kHz.
Model 6451 LCR bridge. 0.1% nominal accuracy, 100/120Hz, 1kHz, 10kHz. IEEE 488, RS232, Comparator.
Model 6458 LCR bridge. 0.1% nominal accuracy. 100/120Hz, 1kHz, 10kHz. IEEE 488, RS232, Comparator.
Model 6471 LCR bridge. 0.1% accuracy, 100/120Hz, 1kHz, 10kHz, 100kHz. IEEE488/RS232, Comparator.

Model QJ23E Wheatstone Bridge. Range 1Ohm to 9.999MOhm 0.1 to 0.2 % accuracy
Model QJ49E Portable Precision Wheatstone Bridge. Range 1Ohm to 1.1111MOhm. 0.05 % accuracy
Model QJ31E Wheatstone Kelvin Bridge. 10Ohm to 1MOhm (Wheatstone), 0.0001Ohm to 100Ohm.
Model QJ42E Double Wheatstone Kelvin Bridge. Range 0.0001Ohm to 11Ohm.Accuracy typically 1.0%.
Model QJ57E Portable Precision DC Kelvin Bridge. Range 10^-8ohm to 1111.1ohm. Accuracy 0.03%
Model UJ33E Portable Multi-Purpose DC Potentiometer. 1mV to 1.0555V.
Model UJ36E Portable DC Potentiometer.10mV to 120mV.

RESISTANCE DECADE

ZX74, ZX90 Series- Decade Resistance Boxes (0.01% accuracy),
Model 4720 Nine Decade High Resistance Boxes Voltages up to 5000V.
Model 4721 Single, High Resistance Decade Box Voltages up to 5000V.
R-box RS Digital Resistance Substituter Accuracy .01% to 1%
RCS-box Digital Substituter Both the R-box and the C-box in one convenient package
HARS Series Resistance Decade from 1 milli ohm to 111 M ohm, Single through 11 decade units
HARS LX Series High accuracy Resistance Decade. Resistance from 10 milli Ohm to over 12.1 MOhm.
HRRS Series Economical Resistance Decade. One to seven decades up to 1 TOhm.
HRRS-5kV Series Resistance Decade. Accuracy .01%. One to seven decades up to 10 TOhm.
HPRS Series Resistance Decade. Resistance from 1 milliOhm to 10 MOhm. 1 to 9 decades.
PZS Series Programmable Resistance Decade. Resistance 1 milliOhm to 100 MOhm.
SRL Series Resistance Standard. Range from 1Ohm to 19 MOhm.
SRR Series Resistance Standard. Reichsanstalt standard resistors.1 milliOhm to 100 milliOhm .
SRX Series Economical Resistance Standard. Resistance from 1 milli Ohm to 10 TOhm.
VRS Series Resistance Decade. Resistance standard for megohmmeters testing.
RTD Series Resistance Decade. RTD Resistance Temperature Detector simulation.
HATS-LR Series High Resistance Transfer Decade Standard.
HATS-Y Series Low Resistance Decade Transfer Standard
ohmSOURCE Microprocessor controlled resistance source. Resistance value range of up to 2.4 MΩ and a power rating of up to 1 Watt,

RESISTANCE STANDARD

Model 5685A, 5685B, 5685C Wilkins Standard Resistor, 1KOhm, 10KOhm
Model 5615, 5686 High Resistance value Standards, Low Resistance value Standards.
Model 1660 Low Cost Standard Resistor.
Model 1659, 1682, 3111 Precision Non-Inductive Standard Resistor.
Model 4405 Standard Resistors Grade 2.
Model 4737B Specialist Standard for the calibration of Micro-Ohmmeters.
ZX74, ZX90 Series- Decade Resistance Boxes (0.01% accuracy).
Model 4720 Nine Decade High Resistance Boxes. Voltage up to 5000V.
Model 4721 Single, High Resistance Decade Box. Voltages up to 5000V.
HARS Series Resistance Decade from 1 milli ohm to 111 M ohm, Single through 11 decade units
HARS LX Series High accuracy Resistance Decade. Resistance from 10 milli Ohm to over 12.1 MOhm.
HRRS Series Economical Resistance Decade. One to seven decades up to 1 TOhm.
HRRS-5kV Series Resistance Decade. Accuracy .01%. One to seven decades up to 10 TOhm.
HPRS Series Resistance Decade. Resistance from 1 milliOhm to 10 MOhm. 1 to 9 decades.
PZS Series Programmable Resistance Decade. Resistance 1 milliOhm to 100 MOhm.
SRL Series Resistance Standard. Range from 1Ohm to 19 MOhm.
SRR Series Resistance Standard. Reichsanstalt standard resistors.1 milliOhm to 100 milliOhm .
SRX Series Economical Resistance Standard. Resistance from 1 milli Ohm to 10 TOhm.
VRS Series Resistance Decade. Resistance standard for megohmmeters testing.
RTD Series Resistance Decade. RTD Resistance Temperature Detector simulation.
HATS-LR Series High Resistance Transfer Decade Standard.
HATS-Y Series Low Resistance Decade Transfer Standard
ohmSOURCE Microprocessor controlled resistance source. Resistance value range of up to 2.4 MΩ and a power rating of up to 1 Watt,

RF AMPLIFIER

LA10 Broadband Linear Amplifier. Communication, EMC testing, industry laboratory.
LA10M Broadband Linear Amplifier. Linear RF amplifier for wideband applications.
LA10S Broadband Linear Amplifier. Dual amplifier wide band work in industrial.
LA5 Broadband Linear Amplifier. Communication, EMC testing.
LA5M Broadband Linear Amplifier. Communication, EMC testing, industrial.
LA25M Broadband Linear Amplifier. Air-cooled amplifier module, general industrial.
LA25LD Broadband Linear Amplifier. Two air-cooled amplifiers in one enclosure.
LA50 Broadband Linear Amplifier. Communication, EMC testing, industrial.
LA300 HF Broadband Linear Amplifier. Communication, general industry.

RF SYSTEMS GENERATORS

AG0201HV 200 Watt HV RF Generator. Unique source of RF high voltage.
8900-3000 FM Transmitter System. Microprocessor controlled.
8900-5K Series FM Stereo Transmitter. Synthesized FM Stereo Transmitters.
8900-2010 HF/VHF Broadband Amp. 50 Watt Output (70 W Saturated),
SUT02LF Step-Up Transformers for Impedance Matching. LF Band matching.
RF Attenuators Stripline & Thick-Film Technology. RF attenuators.

RFI EMI AMPLIFIER

ULTRA 2015 LF Linear Amplifier. Ultrasonic, laser modulation, RFI/EMI, plasma.
ULTRA 2017 LF/HF Linear Amplifier. Ultrasonic, general industry and laboratory.
ULTRA 2020 LF/HF Linear Amplifier. Ultrasonic, laser modulation, RFI/EMI, plasma.
ULTRA 2021 LF/HF Linear Amplifier. Ultrasonic, laser modulation, RFI/EMI, plasma.
ULTRA 2021M LF/HF Linear Amplifier. Laser modulation, RFI / EMI, plasma.
ULTRA 2025 LF/HF Linear Amplifier. Wide band applications in general industry.
AG1006 LF Power Amplifier and Generator. Industrial, Laboratory, and Medical.
AG1012 LF Power Amplifier and Generator. Industrial, Laboratory, and Medical.
AG1015 LF/HF Linear Amplifier and Power Generator. Laser modulation, RFI/EMI.
AG1016 LF Power Amplifier and Generator. Industrial, Laboratory, and Medical.
AG1017 LF/HF Linear Amplifier. Ultrasonic, laser modulation, RFI / EMI, plasma.
AG 1020 LF/HF Linear Amplifier and Power Generator. RFI / EMI, plasma.
AG 1021 LF/HF Linear Amplifier and Power Generator. RFI / EMI, plasma.
AG1024 LF Power Amplifier and Generator. Up to 2,000 Watts RF Power for Industrial, Laboratory, and Medical Application.

RIPPLE NOISE METER

RM-103 Ripple Noise Meter, Monitor. Ripple Noise of Switching Power Supply.
SC-82 Scanner for Ripple Noise Measurement. High Frequency Signal Scanner.

EL-302RA/RB Electronic Load. Works as a E-Load but also as Power Supply Tester.
ELS-304 Ultra Hi Speed Electronic Load. Ultra high-speed slew rate for applications requiring high-speed dynamic load effect.
ELL-303 Low Volt Electronic Load. Can sink current at more then Zero without an external power supply.
ELZ-303 Zero Volt Electronic Load. ELZ-303 can sink current even at Zero Volt. without an external power supply.
EL-1002LA Large Capacity Electronic Load. EL-1002 series provide up to 37.2kW. Up to 30 booster units.

RPM

DT-2234BL Laser Photo Infrared Non contact Tachometer
DT-2235B Contact Tachometer
LDT1236BL Photo Contact Non Contact Tachometer
Testo 300XXL Hand held analyzer. Logger function, Printer, Data management .
Testo 400 Measures RPM, temperature, CO, CO2, mV, mA, % RH, pressure velocity.
Testo 465 Low cost, non-contact, optical rpm measuring instrument.
Testo 470 Non-contact and mechanical rpm measurements.
Testo 475 Mini stroboscope for measurement of rpm and frequency/oscillation.

RTD CALIBRATOR

HD 2047 Pt100 SIMULATOR. Pt100 input and voltage/current outputs.
Temperature Calibrator TC-502 Measures and generates mV, T/C, Ohms and RTD.
PTC-8001 High Accuracy Temperature Calibrator
PTC-9002 Precision Temperature Calibrator with Simultaneous mA Input Capability.
TC-100 Thermocouple Calibrator. The TC-100's accuracy of ±0.3°C for Type J T/Cs.
T120, T130 Single Function Thermocouple & RTD Calibrators
RTD Series Resistance Decade. RTD Resistance Temperature Detector simulation.

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