User manual HT Instruments HT309 (English (2024)

View the manual for the HT Instruments HT309 here, for free. This manual comes under the category detectors and has been rated by 1 people with an average of a 7. This manual is available in the following languages: English. Do you have a question about the HT Instruments HT309 or do you need help?Ask your question here

The HT Instruments HT309 is a detector that is used to measure and detect voltage and electrical signals in various settings. It is designed with functionality and usability in mind, aiming to be a reliable tool for professionals in the field.This detector is equipped with a clear and easy-to-read LCD display, which allows users to quickly and accurately identify voltage levels. It features a built-in flashlight, which provides convenience to users working in dimly lit environments. Additionally, it has an audible alert system that notifies users of the presence of voltage.The HT Instruments HT309 offers a range of voltage detection capabilities, detecting both AC and DC voltage. It has a non-contact voltage detection feature, enabling users to detect voltage without direct contact with the source. This can be a valuable safety feature when working with electrical circuits.Designed with durability in mind, the HT309 is built to withstand the demands of daily usage. Its compact and ergonomic design ensures comfortable handling during operation. Moreover, it is equipped with a sturdy construction, allowing it to withstand various environmental conditions.Overall, the HT Instruments HT309 is a reliable and practical detector that provides accurate measurements of voltage levels. Its user-friendly design and robust construction make it a suitable choice for professionals in need of a dependable tool for electrical testing and maintenance tasks.

General
BrandHT Instruments
ModelHT309
Productdetector
EAN8033772796682
LanguageEnglish
FiletypeUser manual (PDF)

Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the HT Instruments HT309 below.

How do I change the battery of the HT Instruments HT309 detector?

To change the battery of the HT Instruments HT309 detector, follow these steps:1. Switch off the instrument using the ON/OFF key.2. Press the battery compartment cover and slide it in the direction of the arrow.3. Remove the old battery and replace it with a new battery of the same type (refer to section 6.1.3 in the manual for the battery type).4. Restore the battery compartment cover to its position.5. Do not dispose of the batteries together with household waste. According to European Directives, old batteries must be disposed of separately and recycled.Please note that it is important to disconnect all cables from the input terminals before performing any maintenance operations. Also, remember to switch off the instrument after use and remove the battery if the instrument is not going to be used for a long time to avoid any potential damage to the internal circuits.For cleaning the instrument, use a soft and dry cloth. Avoid using wet cloths, solvents, water, or any other liquids. If necessary, you can clean the white plastic lens of the sensor with a wet cloth.Remember to follow the proper disposal procedures for the appliance, battery, and its accessories when they reach the end of their life.

Why is the display of the HT Instruments HT309 detector not showing any readings?

To troubleshoot why the display of the HT Instruments HT309 detector is not showing any readings, follow these steps:1. Check if the instrument is switched on. Press the ON/OFF key to turn it on.2. Ensure that the battery is properly inserted and has sufficient charge. If needed, replace the battery with a new one.3. Verify that the display is not in HOLD mode. If the HOLD function is activated, the display will not show any new readings. Press the MEM/READ key to deactivate the HOLD function.4. Make sure that the instrument is properly connected to the measurement source. Check the cables and connections to ensure they are secure and correctly plugged in.5. Check if the instrument is set to the correct measurement mode. Use the arrow keys to select the desired measurement mode and ensure that it matches the type of measurement you are trying to perform.6. If none of the above steps resolve the issue, try resetting the instrument by turning it off and on again. Press and hold the ON/OFF key for more than 1 second to switch off the instrument, then switch it on again.If the display still does not show any readings after following these steps, it may indicate a technical issue with the instrument. In such cases, it is recommended to contact the manufacturer or authorized service center for further assistance.

Can the HT Instruments HT309 detector be used in high humidity environments?

The HT Instruments HT309 detector can be used in high humidity environments. According to the manual, the allowable relative humidity for use is less than 80%RH. This means that the detector can operate effectively in environments with humidity levels below 80%RH.It is important to note that high humidity can affect the performance of electronic devices, including the HT309 detector. Excessive moisture in the air can potentially cause condensation or damage to the internal components of the detector. Therefore, it is recommended to avoid exposing the detector to extremely high humidity levels or prolonged exposure to moisture.To ensure the longevity and accuracy of the HT309 detector, it is advisable to store it in a dry environment when not in use and to follow proper maintenance procedures as outlined in the manual. Regularly inspect the detector for any signs of moisture or damage, and if any issues are detected, contact the manufacturer or authorized service center for further assistance.

What is the maximum operating altitude for the HT Instruments HT309 detector?

The maximum operating altitude for the HT Instruments HT309 detector is 2000 meters (6562 feet). This means that the detector can be used at altitudes up to 2000 meters without any issues.It is important to note that the maximum operating altitude specification is provided to ensure the proper functioning and accuracy of the detector. Operating the detector at altitudes higher than the specified limit may result in inaccurate readings or other performance issues.When using the HT309 detector at high altitudes, it is recommended to follow the general operating guidelines and environmental conditions specified in the manual. This includes ensuring proper temperature, humidity, and storage conditions as outlined in the manual.If you plan to use the HT309 detector at altitudes close to or above the maximum operating altitude, it is advisable to contact the manufacturer or authorized service center for further guidance and support to ensure optimal performance of the detector.

Why is the accuracy of the HT Instruments HT309 detector not matching the specified technical specifications?

The accuracy of the HT Instruments HT309 detector may not match the specified technical specifications due to several factors. Here are some possible reasons:1. Environmental conditions: The accuracy of the detector is specified for reference conditions, including a temperature of 23°C ± 5°C and relative humidity below 70%RH. If the actual environmental conditions deviate significantly from these reference conditions, it can affect the accuracy of the measurements.2. Calibration for different light sources: The detector is calibrated for a standard white light source consisting of an incandescent lamp at a specific temperature/color. If you are using the detector with LED sources or other light sources with different spectrum responses, the accuracy may vary. In such cases, appropriate correction factors need to be applied to ensure accurate measurements.3. Angular deviation from cosine characteristic: The accuracy of the detector can vary at different angles of measurement. The specified technical specifications provide accuracy values for specific angles. If the measurements are taken at angles outside the specified range, the accuracy may not match the specifications.It is important to note that proper usage, adherence to calibration procedures, and following the guidelines provided in the manual can help optimize the accuracy of the HT309 detector. If you are experiencing significant deviations from the specified accuracy, it is recommended to contact the manufacturer or authorized service center for further assistance and calibration.

How does the spectrum response of the HT Instruments HT309 detector affect its measurement accuracy?

The spectrum response of the HT Instruments HT309 detector affects its measurement accuracy. According to the manual, the spectrum response of the photodiode with a filter is almost identical to the CIE photo-optical curve V(λ). This means that the detector's sensor, which is a silicon photodiode with a filter, has a response that closely matches the standard CIE curve V(λ).The accuracy of the HT309 detector is specified for a standard white light source consisting of an incandescent lamp at a specific temperature/color. However, if you are using the detector with LED sources or other light sources with different spectrum responses, the accuracy may vary. In such cases, appropriate correction factors need to be applied to ensure accurate measurements. These correction factors can be found in Table 1 of the manual.It is important to consider the spectrum response of the detector when using it for specific applications or with different light sources. Understanding the spectrum response can help ensure accurate and reliable measurements with the HT309 detector.

Is the manual of the HT Instruments HT309 available in English?

Yes, the manual of the HT Instruments HT309 is available in English .

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User manual HT Instruments HT309 (English (2024)

FAQs

How to use OBD2 scanner? ›

The order to connect an OBD2 scanner should be:
  1. Ensure the ignition is off.
  2. Connect the scan tool to the diagnostic port.
  3. Cycle the ignition to the on position without the engine started.
  4. The OBD2 port will power up your scan tool, in most cases.
  5. Wait for the device to finish its boot sequence.

What is the difference between a diagnostic scanner and a code reader? ›

A code reader is a simplified version of a scan tool, but it's only capable of performing basic scans of trouble codes. A scan tool can read and clear trouble codes, and it may also provide advanced data reading and playback features, knowledge bases, diagnostic procedures, and built-in testing equipment.

How do I connect my OBD scanner to my computer? ›

OBDLink Windows Quick Start Guide
  1. Step 1: Enable Bluetooth on your Windows PC, Laptop, or Tablet. ...
  2. Step 2: Locate the OBD-II diagnostic connector in your vehicle. ...
  3. Step 3: Plug OBDLink into your diagnostic connector. ...
  4. Step 4: Turn ignition key to the 'ON' position. ...
  5. Step 5: Make OBDLink discoverable.

Can you plug in an OBD scanner while the car is running? ›

Plug the end of the OBD2 scan tool into the DLC with the car turned off. Next, put the car in idle mode without turning on the engine. For most key-ignition vehicles, you turn the key one click to find idle mode. Usually all the lights on the dash turn on, but the starter doesn't engage the engine.

Can you leave an OBD2 scanner plugged in while driving? ›

From their web site FAQ: You can leave the Bluetooth models plugged in if you are driving the vehicle frequently. Depending on the battery condition, if you leave your car sitting for days to weeks, we recommend that you remove the OBD2 device.

How to read engine code? ›

There are four types of codes:
  1. P codes: “P” indicates a problem with the powertrain. ...
  2. C codes: “C” indicates a problem with the chassis. ...
  3. B codes: “B” indicates a problem with the body. ...
  4. U codes: “U” indicates a problem with the vehicle's onboard computers and integration functions that the OBD manages.
Jun 22, 2023

Where do you plug in a diagnostic machine? ›

Every car made after 1996 features a Diagnostic Link Connector (DLC). This 16-pin connector is on the left side of the driver's dashboard, near the steering column. There is often a door or flap that covers the connector.

What does an OBD2 port look like? ›

What does an OBD-II port look like? Your car's OBD port is a small rectangular outlet that has 16 distinct pinpoints on its face. Each port roughly looks the same, but the material that it's made from and its color can vary. Yours might be made of metal or plastic; it may be black, white, pink, or multi-colored.

Where is the DLC connector located? ›

The OBD II DLC is usually located under the instrument panel on the driver side, though there are several exceptions.

How many OBD ports does a car have? ›

Cars only have one OBD port. This port can help you access a vehicle's diagnostic information.

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