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ENGLISH
User manual
 Copyright HT ITALIA 2019
Release EN 3.01 10/07/2019

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Summary of Contents for HT HT211

  • Page 1 ENGLISH User manual  Copyright HT ITALIA 2019 Release EN 3.01 10/07/2019...
  • Page 2: Table Of Contents

    HT211 TABLE OF CONTENTS SAFETY PRECAUTIONS AND PROCEDURES ............2     1.1.  Preliminary ........................2  1.2.  During use ......................... 3  1.3.  After use ..........................3  1.4.  Measuring (overvoltage) categories definitions ..............3  GENERAL DESCRIPTION ................... 4     PREPARATION FOR USE ................... 4  ...
  • Page 3: Safety Precautions And Procedures

    HT211 1. SAFETY PRECAUTIONS AND PROCEDURES This meter is compliance with safety Standard IEC/EN61010-1 related to electronic measuring instruments. For your own safety and to avoid damaging the instrument follow the procedures described in this instruction manual and read carefully all notes preceded...
  • Page 4: During Use

    HT211 1.2. DURING USE Read the recommendations which follow and the instructions in this manual: CAUTION An improper use may damage the instrument and/or its components or injure the operator.  When changing the range, first disconnect the test leads from the circuit under test in order to avoid any accident ...
  • Page 5: General Description

    HT211 2. GENERAL DESCRIPTION The instrument performs the herewith measurements:  DC Voltage  AC TRMS Voltage  DC Current  AC TRMS Current  Resistance and Continuity test  Capacitance  Frequency  Duty cycle  Diode test  Temperature with type K probe All selectable by means of a rotary selector.
  • Page 6: Nomenclature

    HT211 4. NOMENCLATURE 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Display LCD 2. MODE key 3. HOLD 4. RANGE key 5. MAX MIN key 6. Function selector 7. 10A input jack mAµAVHz% input jack 9. COM input jack Fig. 1: Instrument description...
  • Page 7: Description Of Function Keys

    HT211 4.2. DESCRIPTION OF FUNCTION KEYS 4.2.1. HOLD/ By pressing HOLD key the measured value is frozen on the display where the symbol ""HOLD"appears. Pressing again HOLD to disable this function and resume normal operation. By pressing the key at least 1s the enable/disable of backlight feature can be performed.
  • Page 8: Operating Instructions

    HT211 5. OPERATING INSTRUCTIONS 5.1. DC VOLTAGE MEASUREMENT CAUTION The maximum input for DC voltage is 600V. Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument. Fig. 2: Using the meter for DC Voltage measurement 1.
  • Page 9: Ac Voltage Measurement

    HT211 5.2. AC VOLTAGE MEASUREMENT CAUTION The maximum input for AC voltage is 600V. Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument. Fig. 3: Using the instrument for AC Voltage measurement 1. Switch on V Hz% position 2.
  • Page 10: Frequency And Duty Cycle Measurements

    HT211 5.3. FREQUENCY AND DUTY CYCLE MEASUREMENTS CAUTION The maximum input for AC voltage is 600V. Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument. Fig. 4: Using the instrument for Frequency and Duty Cycle measurements 1.
  • Page 11: Resistance Measurements

    HT211 5.4. RESISTANCE MEASUREMENTS CAUTION Before taking resistance measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 5: Using the instrument for Resistance measurement 1. Switch on  . position. “M” symbol is displayed 2.
  • Page 12: Diode Test And Continuity Test

    HT211 5.5. DIODE TEST AND CONTINUITY TEST CAUTION Before taking diode test measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 6: Using the instrument for Diode test and Continuity test 1. Switch on ...
  • Page 13: Capacitance Measurement

    HT211 5.6. CAPACITANCE MEASUREMENT CAUTION Before taking capacitance measurement in circuit remove power from the circuit being tested and discharge all capacitors. Connect the test capacitor to the inputs respecting the polarity connections when required. Fig. 7: Using the instrument for Capacitance measurement 1.
  • Page 14: Temperature Measurement With Type K Probe

    HT211 5.7. TEMPERATURE MEASUREMENT WITH TYPE K PROBE CAUTION Before taking temperature measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 8: Using the instrument for Temperature measurement 1. Switch on °C°F position. 2. Press the MODE key selecting the “°C” or “°F” unit 3.
  • Page 15: Dc Current Measurement

    HT211 5.8. DC CURRENT MEASUREMENT CAUTION The maximum input for DC current is 10A (10A input) or 400mA ( mAµAVHz% input).. Do not attempt to measure higher currents to avoid electrical shocks or damages to the instrument. Fig. 9: Using the instrument for DC Current measurement 1.
  • Page 16: Ac Current Measurement

    HT211 5.9. AC CURRENT MEASUREMENT CAUTION The maximum input for DC current is 10A (10A input) or 400mA ( mAµAVHz% input).. Do not attempt to measure higher currents to avoid electrical shocks or damages to the instrument. Fig. 10: Using the instrument for AC Current measurement 1.
  • Page 17: Maintenance

    HT211 6. MAINTENANCE 6.1. GENERAL INFORMATION While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight.
  • Page 18: Technical Specifications

    HT211 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL FEATURES Accuracy indicated as ±[%rdg + (num. dgt * resolution)] referred to 23°C±5°C, <80%RH. DC Voltage (Autorange) Range Resolution Accuracy Input impedance Overload protection (2.0%rdg+8dgt) 400.0mV 0.1mV 4.000V 0.001V (2.0%rdg+3dgt) 40.00V 0.01V 600VDC/ACrms 10M...
  • Page 19 HT211 Frequency (Autorange) Range Resolution Accuracy Sensitivity Overload protection 9.999Hz 0.001Hz 99.99Hz 0.01Hz (1.0%rdg + 5dgt) >5Vrms 250VDC/ACrms 999.9Hz 0.1Hz 9.999kHz 0.001kHz Duty cycle (Autorange) Range Resolution Accuracy Sensitivity Overload protection (1.2%rdg + 3dgt) 0.1%99.9% 0.1% >1Vrms 250VDC/ACrms 0.01ms< pulse width <10ms; Frequency range: 10Hz 10kHz...
  • Page 20: Reference Guidelines

    HT211 7.1.1. Reference guidelines Safety: IEC/EN61010-1 EMC: IEC/EN61326-1 Insulation: double insulation Pollution degree: Measurement category: CAT III 600V to ground 7.1.2. General data Mechanical characteristics Dimensions (L x W x H): 145 x 70 x 60mm (6 x 3 x 2in)
  • Page 21: Service

    HT211 8. SERVICE 8.1. WARRANTY CONDITIONS This instrument is guaranteed against material or production defects, in accordance with our general sales conditions. During the warranty period the manufacturer reserves the right to decide either to repair or replace the product. Should you need for any reason to return back the instrument for repair or replacement take prior agreements with the local distributor from whom you bought it.

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Hr000211

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