Ht-instruments HT39 Manual do Utilizador

© Copyright HT ITALIA 2008 Release EN 1.03 - 04/02/2008 ENGLISH User’s manual

HT37 - HT39 EN - 94.2.5. RS-232 for connection to PC (HT39 only) HT39 can be connected to a PC by means of the optional software package mod. S

HT37 - HT39 EN - 104.3. MEASUREMENTS 4.3.1. DC Voltage measurement CAUTION Maximum input for DC voltage is 1000V. Do not attempt to take a

HT37 - HT39 EN - 114.3.2. AC Voltage measurement CAUTION Maximum input for AC voltage is 750V rms. Do not attempt to take any voltage meas

HT37 - HT39 EN - 124.3.3. DC Current measurement CAUTION Maximum input for DC current is 10A. Do not attempt to take any current measureme

HT37 - HT39 EN - 134.3.4. AC Current Measurement CAUTION Maximum input for AC current is 10A. Do not attempt to take any current measureme

HT37 - HT39 EN - 144.3.5. Frequency measurement CAUTION Maximum input for AC voltage is 750V rms. Do not attempt to take any voltage measur

HT37 - HT39 EN - 154.3.6. Resistance measurement CAUTION Before taking resistance measurements in circuit remove power from the circuit bei

HT37 - HT39 EN - 164.3.7. Diode test and continuity test CAUTION Before taking resistance measurements in circuit remove power from the circ

HT37 - HT39 EN - 174.3.8. Capacitance measurement CAUTION Before taking any in circuit or capacitance measurement, remove power from the ci

HT37 - HT39 EN - 185. MAINTENANCE 5.1. GENERAL INFORMATION 1. This is a precision instrument. To guarantee its performances be sure to use it ac

HT37 - HT39 EN - 1Content: 1. SAFETY PRECAUTIONS AND PROCEDURES ...3 1.1. Preliminary.

HT37 - HT39 EN - 195.3. FUSE REPLACEMENT CAUTION Before replacing fuses, disconnect test leads from any energized circuit to avoid electrical

HT37 - HT39 EN - 206. TECHNICAL SPECIFICATIONS 6.1. TECHNICAL FEATURES The accuracy is indicated as [% of reading + number of digits]. It is ref

HT37 - HT39 EN - 21Resistance Range Resolution Accuracy Open voltage Overload protection400.0Ω 0.1Ω ±(1.0%rdg+5dgt) 4.000kΩ 0.001kΩ 40.00kΩ 0

HT37 - HT39 EN - 226.1.3. General data Mechanical characteristics Dimensions (with holster): 164x82x44mm Weight (including battery): About 400

HT37 - HT39 EN - 237. SERVICE 7.1. WARRANTY CONDITIONS This instrument is guaranteed for one year against material or production defects, in acc

HT37 - HT39 EN - 21. SAFETY PRECAUTIONS AND PROCEDURES This instrument conforms with safety Standard EN 61010-1 related to electronic measuring

HT37 - HT39 EN - 3• Make sure that batteries are properly installed. • Before connecting the test probes to the installation, make sure that t

HT37 - HT39 EN - 4 1.4. MEASURING (OVERVOLTAGE) CATEGORIES DEFINITIONS The norm EN 61010-1: Safety requirements for electrical equipment for mea

HT37 - HT39 EN - 52. GENERAL DESCRIPTION This instrument performs the following measurements: • DC and AC TRMS Voltage. • DC and AC TRMS Curr

HT37 - HT39 EN - 63. PREPARATION FOR USE 3.1. INITIAL This instrument was checked both mechanically and electrically prior to shipment. All pos

HT37 - HT39 EN - 74. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION 4.1.1. Front panel LEGEND: 1. LCD display. 2. Functions keys (RS-232

HT37 - HT39 EN - 84.2. FUNCTION KEYS When pressing a key, the corresponding symbol is displayed with a beep. To resume default state turn the se