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Related Manuals for HT HT65
Summary of Contents for HT HT65
- Page 1 ENGLISH User manual Copyright HT ITALIA 2020 Release EN 1.00 - 10/02/2020...
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Page 2: Table Of Contents
HT65 TABLE OF CONTENTS PRECAUTIONS AND SAFETY MEASURES ............... 2 1.1. Preliminary instructions ..................... 2 1.2. During use ......................... 3 1.3. After use ..........................3 1.4. Definition of Measurement (Overvoltage) category ............3 GENERAL DESCRIPTION ................... 4 2.1. Measuring average values andTRMS values ..............4 2.2. -
Page 3: Precautions And Safety Measures
HT65 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with directive IEC/EN61010-1 relevant to electronic measuring instruments. For your safety and in order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by symbol with the utmost attention. -
Page 4: During Use
HT65 1.2. DURING USE Please carefully read the following recommendations and instructions: CAUTION Failure to comply with the caution notes and/or instructions may damage the instrument and/or its components or be a source of danger for the operator. Before activating the rotary switch, disconnect the test leads from the circuit being measured. -
Page 5: General Description
HT65 2. GENERAL DESCRIPTION The instrument carries out the following measurements: DC Voltage up to 1500V AC TRMS Voltage up to 1000V DC/AC TRMS Voltage with low impedance (LoZ) DC/AC TRMS Current with transducer clamps Resistance and Continuity test Diode test... -
Page 6: Preparation For Use
HT65 3. PREPARATION FOR USE 3.1. INITIAL CHECKS Before shipping, the instrument has been checked from an electric as well as mechanical point of view. All possible precautions have been taken so that the instrument is delivered undamaged. However, we recommend generally checking the instrument in order to detect possible damage suffered during transport. -
Page 7: Nomenclature
HT65 4. NOMENCLATURE 4.1. DESCRIPTION OF THE INSTRUMENT CAPTION: 1. LCD display 2. MODE key 3. RANGE key 4. HOLD/ 5. REL key 6. Rotary selector switch 7. Input terminal COM 8. Input terminal Hz%V Fig. 1: Description of the instrument... -
Page 8: Description Of Function Keys
HT65 4.2. DESCRIPTION OF FUNCTION KEYS 4.2.1. HOLD/ Pressing the HOLD/ key freezes the value of the measured quantity on the display. After pressing this key, the message HOLD appears on the display. Press the HOLD/ “ ” key again to exit the function. Press and hold the same key for longer than one second to activate and deactivate the display s backlight. -
Page 9: Operating Instructions
HT65 5. OPERATING INSTRUCTIONS 5.1. DC VOLTAGE MEASUREMENT CAUTION The maximum input DC voltage is 1500V. Do not measure voltages exceeding the limits given in this manual. Exceeding voltage limits could result in electrical shocks to the user and damage to the instrument... -
Page 10: Ac Voltage Measurement
HT65 5.2. AC VOLTAGE MEASUREMENT CAUTION The maximum input AC voltage is 1000V. Do not measure voltages exceeding the limits given in this manual. Exceeding voltage limits could result in electrical shocks to the user and damage to the instrument. -
Page 11: Ac/Dc Voltage Measurement With Low Impedance (Loz)
HT65 5.3. AC/DC VOLTAGE MEASUREMENT WITH LOW IMPEDANCE (LOZ) CAUTION The maximum input AC/DC voltage is 600V. Do not measure voltages exceeding the limits given in this manual. Exceeding voltage limits could result in electrical shocks to the user and damage to the instrument. -
Page 12: Frequency And Duty Cycle Measurement
HT65 5.4. FREQUENCY AND DUTY CYCLE MEASUREMENT CAUTION The maximum input AC voltage is 1000V. Do not measure voltages exceeding the limits given in this manual. Exceeding voltage limits could result in electrical shocks to the user and damage to the instrument. -
Page 13: Resistance Measurement And Continuity Test
HT65 5.5. RESISTANCE MEASUREMENT AND CONTINUITY TEST CAUTION Before attempting any resistance measurement, cut off power supply from the circuit to be measured and make sure that all capacitors are discharged, if present. Fig. 6: Use of the instrument for Resistance measurement and Continuity test 1. -
Page 14: Diode Test
HT65 5.6. DIODE TEST CAUTION Before attempting any resistance measurement, cut off power supply from the circuit to be measured and make sure that all capacitors are discharged, if present. Fig. 7: Use of the instrument for diode test 1. Select position 2. -
Page 15: Capacitance Measurement
HT65 5.7. CAPACITANCE MEASUREMENT CAUTION Before carrying out capacitance measurements on circuits or capacitors, cut off power supply from the circuit being tested and let all capacitance in it be discharged. When connecting the multimeter and the capacitance to be measured, respect the correct polarity (when required). -
Page 16: Temperature Measurement With K-Type Probe
HT65 5.8. TEMPERATURE MEASUREMENT WITH K-TYPE PROBE CAUTION Before attempting any temperature measurement, cut off power supply from the circuit to be measured and make sure that all capacitors are discharged, if present. Fig. 9: Use of the instrument for Temperature measurement 1. -
Page 17: Dc Current Measurement With Transducer Clamps
The instrument performs the measurement by using standard clamp transducers of HT family. For transducer clamps with Hypertac output connector is necessary the NOCANBA optional adapter in order to perform the connection Fig. -
Page 18: Ac Current Measurement With Transducer Clamps
The instrument performs the measurement by using both flexible transducer clamp (optional accessory F3000U) and other standard clamp transducers of HT family. For transducer clamps with Hypertac output connector is necessary the NOCANBA optional adapter in order to perform the connection Fig. -
Page 19: Maintenance
HT65 6. MAINTENANCE CAUTION Only expert and trained technicians should perform maintenance operations. Before carrying out maintenance operations, disconnect all cables from the input terminals. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight. -
Page 20: Technical Specifications
HT65 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL CHARACTERISTICS Accuracy calculated as [%reading + (num. digits*resolution)] at 18°C 28°C <75%RH DC Voltage Overload Range (*) Resolution Accuracy Input impedance protection 400.0mV 0.1mV 4.000V 0.001V (1.2%rdg + 4dgt) 40.00V 0.01V 1500VDC 400.0V 0.1V 1500V (1.5%rdg + 2dgt) - Page 21 HT65 AC TRMS Current with transducer clamp Accuracy (*) Range Output ratio Resolution Overload protection (50Hz 1kHz) 1000mA 1V/1A (2.5%rdg + 10dgt) 100mV/1A 0.01A 40A (**) (3.5%rdg + 30dgt) (***) 10mV/1A 100A 1000VDC/ACrms (2.5%rdg + 10dgt) 300A 0.1A 400A (**) (3.5%rdg + 30dgt) (***)
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Page 22: Reference Standards
HT65 Capacitance (Autorange) Range Resolution Accuracy Overload protection 40.00nF 0.01nF (5.0%rdg + 7dgt) 400.0nF 0.1nF 4.000 F 0.001 F (3.0%rdg + 5dgt) 250VDC/ACrms 40.00 F 0.01 F 400.0 F 0.1 F (5.0%rdg + 5dgt) 4.000mF 0.001mF (10%rdg) 40.00mF 0.01mF Temperature with K-type probe (Autorange) -
Page 23: Environment
HT65 7.2. ENVIRONMENT 7.2.1. Environmental conditions for use Reference temperature: 18°C 28°C (64°F 82°F) Operating temperature: 0°C ÷ 40°C (32°F 104°F) Allowable relative humidity: <70%RH Storage temperature: -20°C ÷ 60°C (-4°F 140°F) Storage humidity: <80%RH Max operating altitude: 2000m (6562ft) -
Page 24: Assistance
HT65 8. ASSISTANCE 8.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product.
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