ENGLISH User manual Copyright HT ITALIA 2019 Release EN 3.
HT211 TABLE OF CONTENTS 1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2 1.1. 1.2. 1.3. 1.4. 2. 3. GENERAL DESCRIPTION ........................................................................................... 4 PREPARATION FOR USE ........................................................................................... 4 3.1. 3.2. 3.3. 4. Preliminary ......................................................................................................
HT211 1. SAFETY PRECAUTIONS AND PROCEDURES This meter is compliance with safety Standard IEC/EN61010-1 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 .
HT211 1.2. DURING USE Read the recommendations which follow and the instructions in this manual: CAUTION An improper use may damage the instrument and/or its components or injure the operator. When changing the range, first disconnect the test leads from the circuit under test in order to avoid any accident When the instrument is connected to measuring circuits never touch any unused terminal When measuring resistors do not add any voltage.
HT211 2. GENERAL DESCRIPTION The instrument performs the herewith measurements: DC Voltage AC TRMS Voltage DC Current AC TRMS Current Resistance and Continuity test Capacitance Frequency Duty cycle Diode test Temperature with type K probe All selectable by means of a rotary selector. Also are available the function keys (see § 4.2) and backlight feature..
HT211 4. NOMENCLATURE 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Display LCD 2. MODE key 3. HOLD key 4. RANGE key 5. MAX MIN key 6. Function selector 7. 10A input jack 8. mAµAVHz% jack 9. COM input jack Fig.
HT211 4.2. DESCRIPTION OF FUNCTION KEYS 4.2.1. HOLD/ key By pressing HOLD key the measured value is frozen on the display where the symbol ""HOLD"appears. Pressing again HOLD to disable this function and resume normal operation. By pressing the key at least 1s the enable/disable of backlight feature can be performed. This feature is active for any position of rotary selector and automatically disabled after approx. 30s. 4.2.2.
HT211 5. OPERATING INSTRUCTIONS 5.1. DC VOLTAGE MEASUREMENT CAUTION The maximum input for DC voltage is 600V. Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument. Fig. 2: Using the meter for DC Voltage measurement 1. Switch on V position. “DC” symbol is displayed 2. Insert the test leads into the jacks, the red plug into mAµAVHz% jack and black plug into COM jack 3.
HT211 5.2. AC VOLTAGE MEASUREMENT CAUTION The maximum input for AC voltage is 600V. Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument. Fig. 3: Using the instrument for AC Voltage measurement 1. Switch on V Hz% position 2. Insert the test leads into the jacks, the red plug into mAµAVHz% jack and black plug into COM jack 3. Connect the test leads to the circuit under test (see Fig. 3). The voltage value is displayed 4. If the message "O.
HT211 5.3. FREQUENCY AND DUTY CYCLE MEASUREMENTS CAUTION The maximum input for AC voltage is 600V. Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument. Fig. 4: Using the instrument for Frequency and Duty Cycle measurements 1. Switch on V Hz% position 2. Press the MODE key until the symbol “Hz” is shown at display 3. Insert the test leads into the jacks, the red plug into mAµAVHz% jack and black plug into COM jack 4.
HT211 5.4. RESISTANCE MEASUREMENTS CAUTION Before taking resistance measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 5: Using the instrument for Resistance measurement 1. Switch on . position. “M” symbol is displayed 2. Insert the test leads into the jacks, the red plug into mAµAVHz% jack and black plug into COM jack 3. Connect the test leads to the circuit under test (see Fig. 5). The resistance value is displayed 4. If the message "O.
HT211 5.5. DIODE TEST AND CONTINUITY TEST CAUTION Before taking diode test measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 6: Using the instrument for Diode test and Continuity test 1. Switch on position 2. Press the MODE key until the symbol “ ” is shown at display 3. Insert the test leads into the jacks, the red plug into mAµAVHz% jack and black plug into COM jack 4.
HT211 5.6. CAPACITANCE MEASUREMENT CAUTION Before taking capacitance measurement in circuit remove power from the circuit being tested and discharge all capacitors. Connect the test capacitor to the inputs respecting the polarity connections when required. Fig. 7: Using the instrument for Capacitance measurement 1. Switch on 2. Press the MODE key until the “nF” symbol is shown at display 3. Insert the test leads into the jacks, the red plug into mAµAVHz% jack and black plug into COM jack 4.
HT211 5.7. TEMPERATURE MEASUREMENT WITH TYPE K PROBE CAUTION Before taking temperature measurements in circuit remove power from the circuit being tested and discharge all capacitors. Fig. 8: Using the instrument for Temperature measurement 1. Switch on °C°F position. 2. Press the MODE key selecting the “°C” or “°F” unit 3. Insert the standard adapter accessory into mAµAVHz% jack (+ polarity), and COM jack (- polarity) (see Fig. 8) 4.
HT211 5.8. DC CURRENT MEASUREMENT CAUTION The maximum input for DC current is 10A (10A input) or 400mA input).. Do not attempt to measure higher currents ( mAµAVHz% to avoid electrical shocks or damages to the instrument. Fig. 9: Using the instrument for DC Current measurement 1. Power off the circuit under test 2. Switch on “A ”, “mA ” o “10A ” 3. Press the MODE key until the “DC” symbol is shown at display 4.
HT211 5.9. AC CURRENT MEASUREMENT CAUTION The maximum input for DC current is 10A (10A input) or 400mA input).. Do not attempt to measure higher currents ( mAµAVHz% to avoid electrical shocks or damages to the instrument. Fig. 10: Using the instrument for AC Current measurement 1. Power off the circuit under test 2. Switch on “A ”, “mA ” o “10A ” 3. Insert the test leads into the jacks, the red plug into 10A or mAµAVHz% jack and black plug into COM jack 4.
HT211 6. MAINTENANCE 6.1. GENERAL INFORMATION While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight. Always switch off the instrument after use.
HT211 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL FEATURES Accuracy indicated as ±[%rdg + (num. dgt * resolution)] referred to 23°C±5°C, <80%RH. DC Voltage (Autorange) Range 400.0mV 4.000V 40.00V 400.0V 600V Resolution 0.1mV 0.001V 0.01V 0.1V 1V Accuracy (2.0%rdg+8dgt) Input impedance Overload protection (2.0%rdg+3dgt) 10M 600VDC/ACrms Input impedance Overload protection 10M 600VDC/ACrms (1.2%rdg+3dgt) AC TRMS Voltage (Autorange) Range Resolution 4.000V 40.00V 400.0V 600V 0.001V 0.
HT211 Frequency (Autorange) Range 9.999Hz 99.99Hz 999.9Hz 9.999kHz Resolution 0.001Hz 0.01Hz 0.1Hz 0.001kHz Accuracy Sensitivity Overload protection (1.0%rdg + 5dgt) >5Vrms 250VDC/ACrms Sensitivity >1Vrms Overload protection 250VDC/ACrms Duty cycle (Autorange) Range 0.1%99.9% Resolution 0.1% Accuracy (1.2%rdg + 3dgt) 0.01ms< pulse width <10ms; Frequency range: 10Hz 10kHz Capacitance (Autorange) Range 40.00nF 400.0nF 4.000F 40.00F 400.0F 4000F Resolution 0.01nF 0.1nF 0.001F 0.01F 0.
HT211 7.1.1. Reference guidelines Safety: EMC: Insulation: Pollution degree: Measurement category: IEC/EN61010-1 IEC/EN61326-1 double insulation 2 CAT III 600V to ground 7.1.2. General data Mechanical characteristics Dimensions (L x W x H): Weight (including batteries): Mechanical protection: 145 x 70 x 60mm (6 x 3 x 2in) 245g (9 ounces) IP40 Power supply Battery type: Low battery indication: Battery life: Fuses: Auto Power OFF: Display Specifications: 2x1.
HT211 8. SERVICE 8.1. WARRANTY CONDITIONS This instrument is guaranteed 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. Should you need for any reason to return back the instrument for repair or replacement take prior agreements with the local distributor from whom you bought it.
