HT Italia
HT15D 数字万用表 详细指标
Compact digital multimeters in CAT III · HT15D is compact digital multimeters capable of carryin…
详细指标
以下为该型号的技术指标,逐表取自官方《HT15D 用户手册》(英文版)TECHNICAL SPECIFICATIONS 章节、官方《HT15D》数据手册、官网产品页,表内数值按官方表格原样摘录(原文为英文;括号内为单位)。厂家未列出的项目即官网与手册均未给出,未作推测。
附件
• 说明:7.3.1. Standard accessories 30
• 说明:This instrument complies with IEC/EN61010-1. For your own safety
• 说明:and to avoid damaging the instrument, you’re recommended to
• 说明:keep to the instructions contained in this manual and read
附件 · carefully all the notes preceded by the symbol ::
• CAUTION:• Avoid doing that in humid or wet places • Avoid doing that in rooms where explosive gas, combustible gas, steam or excessive dust is present • Keep you insulated from the object under test • Do not touch exposed metal parts such as test lead ends, sockets, fixing objects, circuits etc • Avoid doing that if you notice anomalous conditions such as breakages, deformations, fractures, leakages of battery liquid, blind display etc • Be particularly careful when measuring voltages exceeding 20V to avoid risks of electrical shocks • The instrument measures DC CURRENT and VOLTAGE on CAT III 600V plants (see § 1.3) • Do not use on systems exceeding the limit values specified in technical specifications of user manual. • Only the accessories provided with the instrument guarantee compliance with safety standards. They must be in good conditions and must be replaced, if necessary, with identical models • Make sure that the battery should be installed correctly • Before connecting the test probes to the installation, check that the function selector is positioned on the required measurement • Make sure that the LCD and the range indicator show the same as the function desired
• 说明:The following symbols are used on the instrument:
• 说明:CAUTION - refer to the instruction manual - an improper
• 说明:use may damage the instrument or its components
• 说明:Double insulated
• 说明:DC Voltage or Current
• 说明:AC Voltage
• 说明:Ground reference
• CAUTION:this symbol indicates that equipment, the
• 说明:battery and its accessories shall be subject to a separate
• 说明:collection and correct disposal
• 说明:Always keep to the instructions contained in this manual:
• 说明:• When changing the range, first disconnect the test leads from the
• 说明:circuit under test to avoid any accident.
• 说明:• When the instrument is connected to measuring circuits never
• 说明:touch any unused terminal.
• 说明:• When measuring resistors do not add any voltage. Although
• 说明:there is a protection circuit, excessive voltage could cause
• 说明:malfunctioning.
• 说明:• If during measurement the displayed values remain constant
附件 · check whether the HOLD function is active
• CAUTION:Noncompliance with the CAUTIONs and/or the instructions may damage the tester and/or its components or injure the operator
• 说明:• Once the measurements are completed, turn the rotary switch to
• 说明:OFF
• 说明:• If you expect not to use the clamp for a long time, remove the
• 说明:battery
• The norm IEC/EN61010-1:Safety requirements for electrical
• 说明:equipment for measurement, control and laboratory use, Part 1:
• 说明:General requirements, defines what measuring category, usually
• called overvoltage category, is. On § 6.7.4:Measuring circuits, it
• 说明:says:
• 说明:(OMISSIS)
• 说明:Circuits are divided into the following measurement categories:
• 说明:• Measurement category IV is for measurements performed at
• 说明:the source of the low-voltage installation
• 说明:Examples are electricity meters and measurements on primary
• 说明:overcurrent protection devices and ripple control units
• 说明:• Measurement category III is for measurements performed in the
• 说明:building installation
• 说明:Examples are measurements on distribution boards, circuit
• 说明:breakers, wiring, including cables, bus-bars, junction boxes,
• 说明:switches, socket-outlets in the fixed installation, and equipment
• 说明:for industrial use and some other equipment, for example,
• 说明:stationary motors with permanent connection to fixed
• 说明:installation.
• 说明:• Measurement category II is for measurements performed on
• 说明:circuits directly connected to the low voltage installation
• 说明:Examples are measurements on household appliances, portable
• 说明:tools and similar equipment.
• 说明:• Measurement category I is for measurements performed on
• 说明:circuits not directly connected to MAINS
• 说明:Examples are measurements on circuits not derived from
• 说明:MAINS, and specially protected (internal) MAINS-derived
• 说明:circuits. In the latter case, transient stresses are variable; for
• 说明:that reason, the norm requires that the transient withstand
• 说明:capability of the equipment is made known to the user
• 说明:The instrument performs the below measurements:
• 说明:• DC Voltage
• 说明:• AC sine wave Voltage
• 说明:• DC Current
• 说明:• Resistance
• 说明:• Continuity test
• 说明:• Diode test
• 说明:• 9V and 1.5V battery test
• 说明:All function is selectable by means of a rotary selector. In addition
• 说明:there are the HOLD key to hold the displayed value and the key
附件 · for activated/disable LCD backlight
• 说明:The instrument has been checked from a mechanical and electrical
• 说明:point of view before shipment. Every care has been taken to make
• 说明:sure that the instrument reaches you in perfect conditions.
• 说明:However, it’s advisable to make a rapid check to detect any damage
• 说明:which may have occurred in transit. Should this be the case, enter
• 说明:immediately the usual claims with the carrier. Make sure that all the
• 说明:accessories listed in § 7.3.1 are contained in the package. In case of
• 说明:discrepancies contact Your dealer. In case of returning of the tester
附件 · please keep to the instructions given in § 8
• 说明:The instrument is supplied by 2x1.5V batteries type AAA LR03.
• 说明:When batteries are low, a low battery indication “ ” is displayed.
环境条件
• 说明:To guarantee the accuracy of the measurements, after a period of
• 说明:necessary time so that the tester returns to normal measuring
• 说明:conditions (see § 7.2).
环境条件 · Fig. 1: Instruments description
• 说明:HOLD key
• 说明:By pressing HOLD key the measured value is frozen on the display
• 说明:where the symbol "H" appears. Press again HOLD to disable this
• 说明:function and resume normal operation
• 说明:key
• 说明:By pressing key it’s possible to activate/disabled the backlight
• 说明:function on the display
环境条件
• CAUTION:Maximum input for DC Voltage measurements is 600V. Do not take any voltage measurement exceeding this limit in order not to risk electrical shock or damaging the instrument
• 说明:600V
• 说明:VΩmAµA jack and black plug into COM jack
• 说明:negative poles of the circuit under test respectively (see Fig. 2).
• 说明:The voltage value is displayed. In the 600V range the
• 说明:symbol “ ” is shown on the display to indicate the presence of
• 说明:high voltage
环境条件
• CAUTION:Maximum input for AC Voltage measurements is 600V. Do not take any voltage measurement exceeding this limit in order not to risk electrical shock or damaging the instrument
• 说明:VΩmAµA jack and black plug into COM jack
• 说明:voltage value is displayed. In the 600V range the symbol “ ” is
• 说明:shown on the display to indicate the presence of high voltage
• CAUTION:The maximum input for DC current is 10A (10A input) or 200mA (VΩmAµA input). Do not attempt to measure higher currents to avoid electrical shocks or damages to the instrument
• 说明:VΩmAµA jack and black plug into COM jack
• 说明:whose current is to be measured respecting the polarities (see
• 说明:Fig. 4)
• 说明:displayed with measurement unit indicated on the selector
• 说明:limits.
环境条件
• CAUTION:Before taking any in circuit resistance measurement, remove power from the circuit to be tested and discharge all the capacitors
• 说明:VΩmAµA jack and black plug into COM jack
• 说明:resistance value is displayed with measurement unit indicated
• 说明:on the selector
• 说明:selected
• CAUTION:Before taking any in circuit resistance measurement, remove power from the circuit to be tested and discharge all the capacitors
• 说明:shown on the display
• 说明:VΩmAµA jack and black plug into COM jack
• 说明:Continuity test
• 说明:right part)
• 说明:instrument emits a sound signal if the resistance value results
• 说明:to be <40Ω
• 说明:Diode test
• 说明:proper polarities (see Fig. 6 – left part)
• 说明:V (note decimal point) is shown on the display
• 说明:shorted circuit
环境条件 · reversed, the diode P-N junction is damaged
• 说明:test)
• 说明:VΩmAµA jack, and black plug into COM jack
• 说明:negative poles of the battery under test respectively (see Fig.
• 说明:7). The battery voltage value is displayed
• 说明:specification requirements to avoid possible damages or
• 说明:dangers.
• 说明:expose it to direct sunlight.
• 说明:the tester for a long time, remove the battery to avoid leakages
环境条件 · of battery liquid that would damage the internal parts
• 说明:When the symbol “ ” is shown on the display replace the
环境条件 · batteries.
• CAUTION:Only expert and trained technicians must perform this operation. Remove the test leads before replacing the battery
• 说明:the upper part of the rear back holster and detach it
环境条件 · type (see § 7.2) respecting the polarity signs.
• 说明:input terminals
• 说明:the upper part of the rear back holster and detach it
• 说明:size and rating (see § 7.2) Make sure the new fuse is centered in