© Copyright HT ITALIA 2012 Release EN 1.04 - 19/04/2012 ENGLISH User manual

HT9021 EN - 94.3.2. DC Voltage measurement CAUTION Maximum input for DC Voltage measurements is 1000V. Do not take any voltage measurement

HT9021 EN - 104.3.3. Resistance measurement CAUTION Before taking any in circuit resistance measurement, remove power from the circuit to be

HT9021 EN - 11 CAUTION Before taking any in circuit resistance measurement, remove power from the circuit to be tested and discharge all the c

HT9021 EN - 124.3.5. Capacitance measurement CAUTION When testing in-circuit capacitors, turn off the power of the circuit to be tested and

HT9021 EN - 134.3.6. Temperature measurement CAUTION Do not allow the temperature sensor to contact a surface that is energized above 30 V R

HT9021 EN - 144.3.7. AC and DC Current measurement CAUTION Make sure that all the test leads are disconnected from the meter terminals for

HT9021 EN - 154.3.8. Frequency and Duty cycle measurement CAUTION • On frequency test with test leads the maximum input for AC Voltage mea

HT9021 EN - 165. MAINTENANCE 5.1. GENERAL INFORMATIONS 1. This digital clamp meter is a precision instrument. Whether in use or in storage, pl

HT9021 EN - 176. TECHNICAL SPECIFICATIONS 6.1. CHARACTERISTICS Accuracy is calculated as [% rdg + (number of dgt) x resolution]. It is referred

HT9021 EN - 18Capacitance (Autorange) Range Resolution Accuracy Overload protection 40.00nF 0.01nF ±(3.5%rdg+40dgt) 600VDC/ACrms 400.0nF 0.1nF

HT9021 EN - 1Contents: 1. SAFETY PRECAUTIONS AND PROCEDURES ... 2 1.1. Preliminary ..

HT9021 EN - 19Supply Battery type: 1 battery 9V NEDA 1604 IEC 6F22 JIS 006P. Low battery indication: “ ” is displayed when the battery level

HT9021 EN - 207. SERVICE 7.1. WARRANTY CONDITIONS This equipment is guaranteed against material faults or production defects, in accordance wit

HT9021 EN - 21. SAFETY PRECAUTIONS AND PROCEDURES This clamp complies with IEC/EN61010-1. For your own safety and in order to avoid damaging th

HT9021 EN - 31.2. DURING USE Always keep to the instructions contained in this manual. CAUTION Non compliance with the CAUTIONs and/or the i

HT9021 EN - 42. GENERAL DESCRIPTION HT9021 meter can perform the herewith measurements: • DC and AC TRMS Voltage up to 1000V • DC and AC TRM

HT9021 EN - 53. PREPARATION FOR USE 3.1. INITIAL The tester has been checked from a mechanical and electrical point of view before shipment.

HT9021 EN - 64. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION 4.1.1. Command description LEGEND: 1. Inductive clamp jaw 2. LED for AC vo

HT9021 EN - 74.2. FUNCTION KEY DESCRIPTION 4.2.1. H key By pushing “H” key the parameter measured value is frozen on the display and the symbo

HT9021 EN - 84.3. FUNCTIONS OF ROTARY SWITCH DESCRIPTION 4.3.1. AC Voltage measurement CAUTION Maximum input for AC Voltage measurements i