Ht-instruments HT401 Uživatelský manuál Strana 1

 Copyright HT ITALIA 2012 Release EN 1.01 - 14/05/2012 ENGLISH User manual

HT401 EN - 9 4.4. OPERATING INSTRUCTIONS 4.4.1. DC Voltage measurement CAUTION The maximum input DC voltage is 1000 V. Do not measure volta

HT401 EN - 10 4.4.2. AC Voltage measurement and Frequency CAUTION The maximum input AC voltage is 1000 V. Do not measure voltages exceeding

HT401 EN - 11 4.4.3. AC Voltage measurement with low input impedance CAUTION The maximum input AC voltage is 1000 V. Do not measure voltage

HT401 EN - 12 4.4.4. DC Current measurement CAUTION The maximum input DC current is 10A. Do not measure currents exceeding the limits given

HT401 EN - 13 4.4.5. AC Current measurement and Frequency CAUTION The maximum input AC current is 10A. Do not measure currents exceeding th

HT401 EN - 14 4.4.6. Resistance measurement CAUTION Before attempting any resistance measurement, cut off power supply from the circuit to b

HT401 EN - 15 4.4.7. Diode and Continuity test CAUTION Before attempting any resistance measurement, cut off power supply from the circuit

HT401 EN - 16 4.4.8. Capacitance measurement CAUTION Before carrying out capacitance measurements on circuits or capacitors, cut off power s

HT401 EN - 17 4.4.9. Temperature measurement Fig. 10: Temperature measurement 1. Select the position 2. Press the MODE key to select meas

HT401 EN - 18 5. MAINTENANCE CAUTION  Only expert and trained technicians should perform maintenance operations. Before carrying out this oper

HT401 EN - 1 Table of contents: 1. PRECAUTIONS AND SAFETY MEASURES ... 21.1. Preli

HT401 EN - 19 6. TECHNICAL SPECIFICATIONS 6.1. TECHNICAL CHARACTERISTICS Accuracy is indicated as [% rdg + (dgt number) * resolution] at 23°C ± 5

HT401 EN - 20 DC Current Range Resolution Accuracy Measuring time Protection against overcharge 60.00mA 0.01mA (0.8rdg+3dgt) 3min (A) 10min (m

HT401 EN - 21 Continuity test Range Resolution Accuracy Protection against overcharge 600 0.1 (0.8rdg+5dgt) 1000VDC/ACrms Buzzer activated

HT401 EN - 22 6.2. ENVIRONMENT 6.2.1. Environmental conditions for use Reference temperature: 23 ± 5°C (73 ± 41°F) Operating temperature/humidi

HT401 EN - 23 7. SERVICE 7.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with t

HT401 EN - 2 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with Directive IEC/EN 61010-1 relevant to electron

HT401 EN - 3 1.2. DURING USE Please carefully read the following recommendations and instructions: CAUTION Failure to comply with the Caution

HT401 EN - 4 2. GENERAL DESCRIPTION The instrument HT401 carries out the following measurements:  DC and AC TRMS voltage  DC and AC TRMS cur

HT401 EN - 5 3. PREPARATION FOR USE 3.1. INITIAL CHECKS Before shipping, the instrument has been checked from an electric as well as mechanical

HT401 EN - 6 4. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION 4.1.1. Description of the controls CAPTION: 1. LCD display 2. Function ke

HT401 EN - 7 4.2. DESCRIPTION OF FUNCTION KEYS The following § describes the functions of the different keys. When pressing a key, the display s

HT401 EN - 8 4.3. INTERNAL MODES OF INSTRUMENT 4.3.1. PEAK/HOLD mode When operating in PEAK/HOLD function, the instrument records the Max or Mi