ENGLISH User manual Copyright HT ITALIA 2018 Version EN 2.
HT63 TABLE OF CONTENTS 1. PRECAUTIONS AND SAFETY MEASURES ............................................................... 2 1.1. 1.2. 1.3. 1.4. 2. GENERAL DESCRIPTION ........................................................................................... 4 2.1. 2.2. 3. Measuring average values andTRMS values.................................................................... 4 Definition of true root mean square value and Crest factor ...............................................
HT63 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.
HT63 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. When the instrument is connected to the circuit being measured, do not touch any unused terminal.
HT63 2. GENERAL DESCRIPTION The instrument carries out the following measurements: DC Voltage AC, AC+DC TRMS Voltage DC, AC, AC+DC voltage with low impedance (LoZ) DC Current AC, AC+DC TRMS Current AC, AC+DC TRMS Current with transducer clamps 4-20mA% display Resistance and Continuity test Diode test Capacity Current and voltage frequency Duty Cycle Temperature with K-type probe Each of these functions can be selected by means of the appropriate switch.
HT63 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. In case anomalies are found, immediately contact the forwarding agent.
HT63 4. NOMENCLATURE 4.1. DESCRIPTION OF THE INSTRUMENT CAPTION: 1. LCD display 2. HIRES/ key 3. Hz%/REL key 4. RANGE key 5. AUTO HOLD key 6. MODE key 7. MAXMIN/PEAK key 8. Rotary selector switch 9. Input terminal 10A 10. Input terminal Hz% V 11. Input terminal mAA 12. Input terminal COM Fig.
HT63 4.2. DESCRIPTION OF FUNCTION KEYS 4.2.1. AUTO HOLD key Pressing the A 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 A HOLD key for a long time in order to activate/deactivate the “AutoHOLD” function. The message “A HOLD” appears on the display.
HT63 4.2.5. MODE key Pressing the MODE key allows selecting a double function on the rotary switch. In to select diode test, continuity test, capacitance particular, it is active in position measurement and resistance measurement, in position °C°F to select temperature measurement in °C o °F, V Hz%, mV , LoZV (see § 4.2.7), mA , A and to select AC, DC or AC+DC measurements (see § 4.2.
HT63 5. OPERATING INSTRUCTIONS 5.1. DC VOLTAGE MEASUREMENT CAUTION The maximum input DC 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. Fig. 2: Use of the instrument for DC Voltage measurement 1. Select positions V Hz% or mV 2. Insert the red cable into input terminal Hz% V and the black cable into input terminal COM. 3.
HT63 5.2. AC, AC+DC 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. Fig. 3: Use of the instrument for AC voltage measurement 1. Select positions V Hz% or mV 2. Press the MODE key to display the “AC" or "AC+DC" symbol on the display 3.
HT63 5.3. AC, DC, 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. Fig. 4: Use of the instrument for AC/DC voltage measurement with low impedance (LoZ) 1. Select position LoZV . The “LoZ” and “DC” symbols are shown 2. Press the MODE key to select possibly the “AC” or “AC+DC” measurement 3.
HT63 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. Fig. 5: Use of the instrument for frequency measurement and duty cycle test. 1. Select position Hz%. 2. Press the Hz%/REL key to select measurements “Hz” or “%” in order to display the values of frequency and duty cycle of input voltage. 3.
HT63 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. Select position 2. Insert the red cable into input terminal Hz% V and the black cable into input terminal COM. 3. Position the test leads in the desired spots of the circuit to be measured (see Fig. 6).
HT63 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. Press the MODE key to select “ ” measurement. 3. Insert the red cable into input terminal Hz% V and the black cable into input terminal COM. 4. Position the leads at the ends of the diode to be tested (see Fig.
HT63 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). Fig. 8: Use of the instrument for Capacitance measurement 1. 2. Select position Press the MODE key until the symbol “nF” is displayed. 3.
HT63 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. Select position °C°F 2. Press the MODE key until the symbol “°C” or “°F” is displayed. (polarity +) and 3. Insert the provided adapter into input terminals Hz% V COM (polarity -) (see Fig. 9) 4.
HT63 5.9. DC CURRENT MEASUREMENT AND E 4-20MA% READING CAUTION Maximum input DC current is 10A (input 10A) or 600mA (input mAA). Do not measure currents exceeding the limits given in this manual. Exceeding voltage limits could result in electrical shocks to the user and damage to the instrument. Fig. 10: Use of the instrument for DC current measurement and 4-20mA% reading. 1. Cut off power supply from the circuit to be measured. 2.
HT63 5.10. AC, AC+DC CURRENT MEASUREMENT CAUTION Maximum input AC current is 10A (input 10A) or 600mA (input mAA). Do not measure currents exceeding the limits given in this manual. Exceeding voltage limits could result in electrical shocks to the user and damage to the instrument. Fig. 11: Use of the instrument for AC current measurement 1. 2. 3. 4. 5. 6. 7. 8. 9. Cut off power supply from the circuit to be measured.
HT63 5.11. AC, DC, AC+DC CURRENT MEASUREMENT WITH TRANSDUCER CLAMPS CAUTION Maximum current measurement in this function is 3000A AC or 1000A DC. Do not measure currents exceeding the limits given in this manual 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.
HT63 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. Always switch off the instrument after use.
HT63 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL CHARACTERISTICS Accuracy calculated as [%reading + (num. digits*resolution)] at 18°C 28°C <75%RH DC Voltage Range (*) Resolution 600.0mV 6.000V 60.00V 600.0V 1000V 0.1mV 0.001V 0.01V 0.1V 1V Accuracy (0.9%rdg + 5dgt) Input impedance Protection against overcharge >10M 1000VDC/ACrms (1.2%rdg + 5dgt) (*) HIRES feature not active. With HIRES feature active, multiply x10 the dgts of the accuracy AC TRMS Voltage Range (*) Resolution 600.0mV 6.
HT63 DC Current Range (*) 600.0A 6000A 60.00mA 600.0mA 10.00A Resolution 0.1A 1A 0.01mA 0.1mA 0.01A Accuracy Protection against overcharge (1.5%rdg + 5dgt) Quick fuse 800mA/1000V Quick fuse 10A/1000V (*) HIRES feature not active. With HIRES feature active, multiply x10 the dgts of the accuracy AC TRMS Current Range (*) Resolution 600.0A 6000A 60.00mA 600.0mA 10.00A 0.1A 1A 0.01mA 0.1mA 0.01A Accuracy (**) (50Hz1kHz) (1kHz5kHz) Protection against overcharge (2.5%rdg + 5dgt) (3.
HT63 Resistance and Continuity test Range (*) 600.0 6.000k 60.00k 600.0k 6.000M 60.00M Resolution 0.1 0.001k 0.01k 0.1k 0.001M 0.01M Accuracy (2.0%rdg + 9digits) (1.2%rdg + 5digits) Buzzer Protection against overcharge <35 1000VDC/ACrms (2.0%rdg + 10digits) (*) HIRES feature not active. With HIRES feature active, multiply x10 the dgts of the accuracy Frequency (electronic circuits) Range (*) 40.00Hz 10kHz Resolution 0.01Hz Accuracy (0.
HT63 7.1.2. General characteristics Mechanical characteristics Size (L x W x H): Weight (batteries included): Mechanical protection: Power supply Battery type: Low battery indication: Battery life: Auto Power Off: Fuses: Display Conversion: Characteristics: 175 x 85 x 55mm (7 x 3 x 2in) 360g (13 ounces) IP40 4x1.5V batteries type AAA IEC LR03 ” on the display symbol “” ca.
HT63 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. Should the instrument be returned to the After-sales Service or to a Dealer, transport will be at the Customer's charge. However, shipment will be agreed in advance.
