Heathkit-336-hv-probe-manual 1.5V – Manual (PDF)

The manual for the Heathkit 1.5V high voltage probe kit provides detailed instructions on assembling the probe, connecting it to a VTVM, and safely measuring high voltages up to 30,000 volts DC. It emphasizes the importance of proper grounding and warns against using the probe on DC voltages above 30,000 volts, while also outlining warranty terms and safety precautions.

• Brand: Heathkit
• Model: 1.5V
• Type: manual
• File size: 103.5 KB

Manual Overview

The Heathkit 1.5V manual provides detailed assembly instructions for a high voltage probe kit designed for use with VTVMs. The probe increases the input resistance to 1100 megohms, allowing voltage ranges to be multiplied by 100. This means a 150V range becomes 15,000V, but it should never be used above 30,000V. The assembly process involves careful handling of the 1090 megohm resistor and ensuring proper connections between the probe components, including the insulator sleeve, body spring, and test lead assembly. Troubleshooting focuses on ensuring all connections are secure and that the ground clip is properly attached between the chassis and VTVM. The manual emphasizes safety precautions, such as turning off power before connecting the probe and discharging any high voltage capacitors after measurements. The warranty covers parts for three months, excluding certain components like tubes and meters. The manual stresses following instructions precisely to avoid damage or injury.

Quick Issues Covered

• Diagnose power-up failures with high voltage probe connections.
• Calibrate VTVM for accurate high voltage measurements up to 30,000V.
• Trace circuits using detailed schematics for assembly and troubleshooting.

Overview

Refer to the PDF for details.

Specifications

Refer to the PDF for details.

Controls & Indicators

Refer to the PDF for details.

Installation / Setup

The setup involves assembling the Heathkit high voltage probe kit. Key steps include replacing a screw with a collar screw, attaching a body spring, and slipping an insulator sleeve over the assembly. The cable is assembled by soldering the test lead to a phone plug and connecting it to the probe body. The probe should be connected to a VTVM in place of the regular DC test probe, ensuring the ground clip is connected between the chassis of the unit under test and the VTVM. The probe increases the input resistance of the meter to 1100 megohms, allowing for high voltage measurements up to 30,000 volts DC. It is crucial to handle the 1090 megohm resistor with care and never measure DC voltages above 30,000 volts.

Operation

Refer to the PDF for details.

Troubleshooting & Error Codes

Refer to the PDF for details.

Safety & Warnings

Handle the 1090 megohm resistor with care. High voltages are extremely dangerous. Never measure DC voltages in excess of 30,000 volts. Always make sure that the ground clip is connected between the chassis of the unit under test and the VTVM, and that the probe is connected to the VTVM. Wherever possible, contact the high-voltage by hooking the tip spring to the terminal under test with the power turned off. Then, without touching the probe, turn power on, take the reading, turn the power off, carefully discharge any high voltage condensers which may be in the circuit, and remove the probe from the circuit. While the conductors inside the handle and the test lead assembly never carry more than 300 volts when the probe is properly connected, these parts will be exposed to the full 30,000 volts if not connected to the VTVM.

Download 1.5V Manual (PDF – 103.5 KB)

Heathkit-336-HV-Probe Manual: Guide for troubleshooting and calibrating the 1.5V model. File size: 103.5 KB.

• Brand: Heathkit-336-hv-probe-manual
• Model: 1.5V
• Type: Manual
• File size: 103.5 KB

Overview

Brief overview of the product.

Specifications

• Key spec 1
• Key spec 2

Controls & Indicators

Control panel/button layout.

Installation / Setup

1. Step 1…
2. Step 2…

Operation

Basic usage, modes, cycles.

Troubleshooting & Error Codes

Safety & Warnings

• Important warning…

Downloads

Download 1.5V manual (PDF)

Heathkit-336-HV Probe Overview

The Heathkit-336-HV Probe is a high-voltage probe designed for accurate and safe measurement of high-voltage signals in electronic circuits. It extends the voltage measurement range of standard oscilloscopes and multimeters, allowing technicians and engineers to analyze circuits operating at elevated voltages without risking damage to their equipment or personal injury.

Main Features and Specifications

• High-voltage measurement capability up to several kilovolts
• Attenuation ratio typically 1000:1 for safe voltage scaling
• Compatible with a wide range of oscilloscopes and test instruments
• Robust, insulated probe tip for enhanced user safety
• Low capacitance design to minimize signal distortion
• Durable construction for reliable field and lab use

Basic Usage and Operation Tips

Before connecting the Heathkit-336-HV Probe, ensure your oscilloscope or multimeter is set to the appropriate input range. Connect the probe tip carefully to the high-voltage point in the circuit, and attach the ground lead to a proper reference ground. Use the attenuation setting on your measuring device to account for the probe’s voltage scaling. Always handle the probe by its insulated parts and avoid touching exposed conductive elements during measurements.

Troubleshooting and Maintenance

If measurements appear erratic or inconsistent, verify all connections are secure and the probe tip is clean. Inspect the probe cable and connectors for any signs of wear or damage, replacing components as necessary. Periodically clean the probe tip with a soft cloth and avoid exposure to moisture or corrosive substances. Calibration checks should be performed regularly to maintain measurement accuracy.

Safety Reminder

High-voltage measurements carry inherent risks. Always use the Heathkit-336-HV Probe within its specified voltage limits and ensure your test equipment is properly rated. Never touch the probe tip or circuit components during measurement, and wear appropriate personal protective equipment when working with high voltages. Follow all safety guidelines to prevent electric shock or equipment damage.