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Related Manuals for Hoyt 1652 IN
Summary of Contents for Hoyt 1652 IN
- Page 1 1652 IN ANALOGUE INSULATION TESTER INSTRUCTION MANUAL...
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Page 2: Table Of Contents
Index Page 1. Safety Precautions......2. Safety Notes........3. Features..........4. Specifications........5. Why Test is Necessary......6. Instrument Layout....... 7. Simplified Instructions......8. Preparation for Measurement....9. Functions ........... 10. Battery & Fuse Replacement..... 11. Calibration & Servicing...... 12. Cleaning & Storage...... -
Page 3: Safety Precautions
1. Safety Precautions Electricity can cause severe injuries even with low voltages or currents. Therefore it is extremely important that you read the following information before using your analogue insulation tester. 1.1 This Instrument must only be used and operated by a competent trained person and in strict accordance with the instructions. -
Page 4: Safety Notes
Electrical circuits can be dangerous and / or lethal when a lack of caution or poor safety practice is used. Use caution in the presence of voltage above 24V as these pose a shock hazard. 1.7 Pay attention to cautions and warnings which will inform you of potentially dangerous procedures. -
Page 5: Features
3. Features ● High quality taut band movement. ● Three insulation test voltages: 1- 250Vdc 100MΩ 2- 500Vdc 200MΩ 3- 1000Vdc 400MΩ ● Two continuity test on "Low Ohms": 3Ω / 500Ω ● Small and Lightweight. ● AC voltmeter with linear scale up to 600Vac. ●... -
Page 6: Specifications
Insulation Test Voltage 250Vdc 500Vdc 1000Vdc Output ranges on 0~+10% open circuit Measuring range 100MΩ 200MΩ 400MΩ 1MΩ 2MΩ 4MΩ Mid-scale value Scale Multiplier x1/2 Accuracy ±5% Output short- Approx. 1.3mA circuit current Continuity 3Ω / 500Ω Measuring range Test leads / fuse zero Ω... -
Page 7: Why Test Is Necessary
General Warning light circuit live lit from Voltage Warning 90Vdc/70Vac. Buzzer beep from 24Vac/dc. Power Source 1.5V(AA) x 6 Dimension 163(L) x 106.3(W) x 58.6(H)mm Weight Approx. 513.5g (battery included) Test leads Instruction manual Accessories Shoulder belt Batteries Carry case 5. -
Page 8: Instrument Layout
6. Instrument Layout ⑥ ⑤ ④ ③ ① ② ① TEST Button ② Continuity Zero OHM Adjust ③ Function Selector ④ HV Indication ⑤ Battery OK/ON Indication ⑥ Testing terminals - 6 -... -
Page 9: Simplified Instructions
7. Simplified Instructions WARNING This instrument must only be used by a competent trained individual. Consult the full operating instructions. Never press the test button before connecting test leads to circuit to test. INITIAL CHECKS 1. Switch to "Batt. Check" and depress the test button. If the pointer does not move to "BAT. -
Page 10: Preparation For Measurement
GENERAL ● For ac voltmeter, do not press test button, this is the default mode of the instrument. ● AC voltmeter can works without batteries. ● Insulation or continuity mode: for continous operation, press and turn the test button. SAFETY PRECAUTION ●... -
Page 11: Functions
9. Functions 9.1 Battery Check Turn the function selector to Batt. Check. This function has a load which draw about 205mA when test is performed, and therefore it is doing a worst case battery test. Then, press the test button, the pointer should be in the BAT.OK area. - Page 12 9.4 AC Measurement The AC measurement is automatic on this instrument. As soon as AC voltage is present on the test leads, the instrument will display the AC voltage from 20 to 600Vac on the linear scale. When measure AC voltage, the testing duration can not be more than one minute.
- Page 13 9.6 Low Ohms Measurement 0 - 500Ω Always check for voltage before testing and measuring on a circuit. This instrument is intended for measuring Low Ω and Insulation resistance on unenergized circuits only. Use the procedure explained at points 9.2, 9.3, 9.4. The first procedure to follow, is to zero the test leads and the fuse resistance.
- Page 14 9.7 Insulation Resistance Measurement @ 250Vdc Always check for voltage before testing and measuring on a circuit. This instrument is intended for measuring Low Ω and Insulation resistance on unenergized circuits only. Use the procedure explained at points 9.2, 9.3, 9.4. Connect the test leads to the circuit to be measured and wait for a few seconds.
- Page 15 9.8 Insulation Resistance Measurement @ 500Vdc Always check for voltage before testing and measuring on a circuit. This instrument is intended for measuring Low Ω and Insulation resistance on unenergized circuits only. Use the procedure explained at points 9.2, 9.3, 9.4. Connect the test leads to the circuit to be measured and wait for a few seconds.
- Page 16 9.9 Insulation Resistance Measurement @ 1000Vdc Always check for voltage before testing and measuring on a circuit. This instrument is intended for measuring Low Ω and Insulation resistance on unenergized circuits only. Use the procedure explained at points 9.2, 9.3, 9.4. Connect the test leads to the circuit to be measured and wait for a few seconds.
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Page 17: Battery & Fuse Replacement
10. Battery & Fuse Replacement 10.1 Battery Replacement The batteries are situated under the analogue insulation tester. The BAT.OK LED will not lit when the voltage of the batteries i s low. Disconnect the test leads from the Instrument, remove the battery cover and the batteries. -
Page 18: Calibration & Servicing
11. Calibration & Servicing Contact your nearest distributor about calibration certificate and servicing. Before returning the instrument, ensure that: ● the leads have been checked for continuity and signs of damage. ● the batteries are in good condition. 12. Cleaning & Storage Periodically, wipe the case with a damp cloth and detergent;...
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