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Summary of Contents for HT HT32
- Page 1 ENGLISH User’s manual Copyright HT ITALIA 2013 Release EN 2.00 - 24/01/2013...
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Page 2: Table Of Contents
HT32 Content: 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............. 4 GENERAL DESCRIPTION ................... 5 2.1. MEAN VALUE AND TRMS : DEFINITION ............. 5 2.2. -
Page 3: Safety Precautions And Procedures
HT32 1. SAFETY PRECAUTIONS AND PROCEDURES This instrument conforms with safety Standard EN 61010-1 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 by this symbol When taking measurements: ... -
Page 4: During Use
HT32 Before connecting the test probes to the installation, make sure that the function selector is positioned on the required measurement. Make sure that LCD and function selector indicate the same function. 1.2. DURING USE Read the recommendations which follow and the instructions in this manual:... -
Page 5: Measuring (Overvoltage) Categories Definitions
HT32 1.4. MEASURING (OVERVOLTAGE) CATEGORIES DEFINITIONS EN 61010-1: Safety requirements for electrical equipment for measurement, control and laboratory use, Part 1: General requirements, gives a definition of measuring category, usually called overvoltage category. Paragraph 6.7.4: Measuring circuits: (OMISSIS) circuits are divided into the following measurement categories: ... -
Page 6: General Description
HT32 2. GENERAL DESCRIPTION This instrument performs the following measurements: DC and AC TRMS Voltage DC and AC TRMS Current Resistance and Continuity test Diode test Frequency Capacitance All selectable by means of a 10-position function selector (including OFF position). 4 FUNCTION keys are also available to hold the displayed value and select the desired function. -
Page 7: Preparation For Use
HT32 3. PREPARATION FOR USE 3.1. INITIAL This instrument was checked both mechanically and electrically prior to shipment. All possible cares and precautions were taken to let you receive the instrument in perfect conditions. Notwithstanding we suggest you to check it rapidly (eventual damages may have occurred during transport –... -
Page 8: Operating Instructions
HT32 4. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION 4.1.1. Front panel LEGEND: 1. LCD display. 2. Functions keys. 3. Rotary selector. 4. A input AC/DC current measurements. HzVA input for other measurements. 6. COM input. Fig. 1: Instrument description EN - 7... -
Page 9: Function Keys
HT32 4.2. FUNCTION KEYS When pressing a key, the corresponding symbol is displayed with a beep. To resume default state turn the selector on another function. 4.2.1. MIN MAX By pressing MIN MAX key, maximum and minimum values are measured. Both values are stored and can be recalled by pressing the same key. -
Page 10: Measurements
HT32 4.3. MEASUREMENTS 4.3.1. DC Voltage measurement CAUTION Maximum input for DC voltage is 1000V. Do not attempt to take any voltage measurement that exceeds the limits. Exceeding the limits could cause electrical shock and damage the multimeter. Fig. 2: DC Voltage measurement 1. -
Page 11: Ac Voltage Measurement
HT32 4.3.2. AC Voltage measurement CAUTION Maximum input for AC voltage is 750V rms. Do not attempt to take any voltage measurement exceeding such limit to avoid the risk of electrical shock and damages to the instrument. Fig. 3: AC Voltage measurement 1. -
Page 12: Dc Current Measurement
HT32 4.3.3. DC Current measurement CAUTION Maximum input for DC current is 10A. Do not attempt to take any current measurement exceeding such limit to avoid the risk of electrical shock and damages to the instrument. Fig. 4: DC Current measurement 1. -
Page 13: Ac Current Measurement
HT32 4.3.4. AC Current measurement CAUTION Maximum input for AC current is 10A. Do not attempt to take any current measurement exceeding such limit to avoid the risk of electrical shock and damages to the instrument. Fig. 5: AC Current measurement 1. -
Page 14: Frequency Measurement
HT32 4.3.5. Frequency measurement CAUTION Maximum input for AC voltage is 750V rms. Do not attempt to take any voltage measurement exceeding such limit to avoid the risk of electrical shock and damages to the instrument. Fig. 6: Frequency measurement 1. -
Page 15: Resistance Measurement
HT32 4.3.6. Resistance measurement CAUTION Before taking resistance measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 7: Resistance measurement 1. Turn the selector on . 2. Insert the test leads into the jacks, the red plug into HzVA jack and the black... -
Page 16: Diode Test And Continuity Test
HT32 4.3.7. Diode test and continuity test CAUTION Before taking resistance measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 8: Diode test and continuity test 1. Turn the selector on 2. Insert the test leads into the jacks, the red plug into HzVA jack and the black... -
Page 17: Capacitance Measurement
HT32 4.3.8. Capacitance measurement CAUTION Before taking any in circuit or capacitance measurement, remove power from the circuit being tested and discharge all capacitors. Use the short test lead pair for measurement in order to reduce the stray capacitance. Before connecting the test capacitor, note the display, which may show a reading other than zero whenever the range is changed. -
Page 18: Maintenance
HT32 5. MAINTENANCE 5.1. GENERAL INFORMATION 1. This is a precision instrument. To guarantee its performances be sure to use it according to these instructions and keep it stored on suitable environmental conditions. 2. Do not expose it to high temperatures or humidity or direct sunlight. -
Page 19: Fuse Replacement
HT32 5.3. FUSE REPLACEMENT CAUTION Before replacing fuses, disconnect test leads from any energized circuit to avoid electrical shock. LEGEND: 1. Turn meter disconnect the test leads from the input terminals. 2. Remove the protective holster from the meter. 3. Unscrew the battery cover and remove the battery. -
Page 20: Technical Specifications
HT32 6. TECHNICAL SPECIFICATIONS 6.1. TECHNICAL FEATURES The accuracy is indicated as [% of reading + number of digits]. It is referred to the following environmental conditions: temperature 23°C ± 5°C, relative humidity < 80%. DC Voltage Range Resolution Accuracy... -
Page 21: Electrical Specifications
HT32 Resistance Range Resolution Accuracy Open voltage Overload protection 600.0 0.1 6.000k 0.001k (0.7rdg+2dgt) 60.00k 0.01k 1.3V 600V rms 600.0k 0.1k 6.000M 0.001M (1.0rdg+2dgt) 60.00M 0.01M (1.5rdg+2dgt) Diode test Accuracy Test Open Range Resolution Overload protection current voltage (0.4 0.8V) 10mV 1.5mA... -
Page 22: General Data
6.2.2. EMC and LVD This product conforms to the prescriptions of the European directive on low voltage 2006/95/EEC (LVD) and to EMC directive 2004/108/EEC. 6.3. ACCESSORIES Standard accessories HT32 meter. Test leads. Battery (fitted). Instruction manual. Warranty card. -
Page 23: Service
HT32 7. SERVICE 7.1. WARRANTY CONDITIONS This instrument is guaranteed for one year 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.
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