1. Introduction
This manual provides detailed instructions for the safe and effective use of the TASI TA630A and TA630B Digital Light Meters. These devices are designed for measuring illuminance in various environments, offering high accuracy and a wide measurement range.
The TASI TA630A is an integral type light meter, meaning the sensor is built into the main unit. The TA630B features a split-type design with an external light sensor connected via a coiled cable, allowing for flexible measurements in different positions.
2. Safety Information
Please read all safety warnings and operating instructions before using this device to prevent injury or damage to the meter. Keep this manual for future reference.
- Do not expose the device to extreme temperatures, humidity, or direct sunlight.
- Avoid strong impacts or vibrations.
- Remove batteries if the device will not be used for an extended period to prevent leakage.
- Do not attempt to disassemble or modify the meter.
- Ensure the light sensor is clean and unobstructed for accurate readings.
3. Product Components and Controls
Familiarize yourself with the main parts and controls of your TASI Digital Light Meter.
3.1 TA630A Integral Type
- Light Sensor: Detects ambient light.
- LCD Screen: Displays measurement readings and indicators (e.g., APO, HOLD, MAX, MIN, AUTO LUX, FC X10 X100).
- Backlight Button: Activates/deactivates the screen backlight.
- UNIT Button: Switches between LUX and FC measurement units.
- HOLD Button: Freezes the current reading on the display.
- MAX Button: Displays the maximum measured value.
- MIN Button: Displays the minimum measured value.
- Power Button: Turns the device ON/OFF.
3.2 TA630B Split Type
- External Light Sensor: Connected via an elastic wire (approx. 1m stretchable), allows for flexible positioning.
- LCD Screen: Displays measurement readings and indicators (e.g., APO, HOLD, MAX, MIN, AUTO LUX, FC X10 X100).
- Backlight Button: Activates/deactivates the screen backlight.
- UNIT Button: Switches between LUX and FC measurement units.
- HOLD Button: Freezes the current reading on the display.
- MAX Button: Displays the maximum measured value.
- MIN Button: Displays the minimum measured value.
- Power Button: Turns the device ON/OFF.
4. Setup
4.1 Battery Installation
The meter is powered by 2 x 1.5V AAA (R03/LR03) batteries. To install or replace batteries:
- Locate the battery compartment cover on the back of the device.
- Slide or open the cover.
- Insert two AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
Note: Remove batteries if the device will not be used for an extended period to prevent battery leakage and damage.
4.2 Initial Inspection
Upon unpacking, check the contents against the standard accessories list:
- Digital Light Meter (TA630A or TA630B)
- User Manual
- Protective Cover for Light Sensor
- Packaging Box
5. Operating Instructions
5.1 Power On/Off
Press the Power Button (red button with a circle and line icon) to turn the meter ON. Press and hold the Power Button to turn it OFF.
5.2 Measurement Units (LUX/FC)
The meter supports both LUX and FC units. Press the UNIT Button to switch between LUX and FC measurement modes.
5.3 Data Hold Function
Press the HOLD Button to freeze the current reading on the display. Press it again to release the hold and resume live measurements.
5.4 Maximum/Minimum Measurement
To view the maximum or minimum light intensity recorded:
- Press the MAX Button to display the highest value measured since the function was activated.
- Press the MIN Button to display the lowest value measured since the function was activated.
- Press the respective button again to exit MAX/MIN mode.
5.5 Backlight
The meter features a high-definition screen with white background light. Press the Backlight Button (often indicated by a light bulb icon) to turn the backlight ON or OFF for better visibility in low-light conditions. The screen size is 34 x 31mm.
5.6 Auto Power Off
The device is equipped with an auto power-off feature that turns off the meter automatically after 15 minutes of inactivity to conserve battery life. This feature can be disabled if continuous operation is required (refer to the full user manual for instructions on disabling auto power off).
6. Specifications
The following table details the technical specifications for the TASI TA630A and TA630B Digital Light Meters.
| Parameter | TA630A | TA630B |
|---|---|---|
| Measurement Method | Integral type | Split type |
| Range | 0.1 ~ 200,000 LUX / 0.01 ~ 20,000 FC | |
| Measuring Level | 200/2000/20000/200000 LUX, 20/200/20000 FC | |
| Accuracy | ±(4% + 10dgts) (calibrated under standard incandescent lamp at color temperature 2856 K) | |
| Resolution | LUX < 200: 0.1; LUX ≥ 200: 1 FC < 20: 0.01; 20 ≤ FC < 200: 0.1; FC ≥ 200: 1 |
|
| Display | 4 digits, max 1999 | |
| Light Sensor | Digital light probes and filters | |
| Sampling Rate | 2 times/s | |
| Incident Angle | 120° | |
| Repeated Test Deviation | ±2% | |
| Spectral Range | 400-700nm | |
| Auto Power Off | 15 minutes (can be disabled) | |
| Working Environment | -10 ~ 50°C, Max 80%RH, indoor altitude < 2000m | |
| Storage Environment | -10 ~ 50°C, Max 70%RH (battery removed) | |
| Product Size | 168 x 59 x 34mm | 130 x 59 x 34mm (meter) Approx. 1m (cable length) |
| Screen Size | 34 x 31mm | |
| Weight | Approx. 150g (battery not included) | Approx. 165g (battery not included) |
| Power | 2 x 1.5V AAA (R03/LR03) | |
7. Maintenance
7.1 Cleaning
To ensure accurate readings, keep the light sensor clean and free from dust or obstructions. Use a soft, dry cloth to gently wipe the sensor and the meter's body. Do not use abrasive cleaners or solvents.
7.2 Battery Replacement
When the low battery indicator appears on the display, replace the batteries as described in the "Battery Installation" section (4.1). Always use fresh 1.5V AAA batteries.
7.3 Storage
When not in use, store the meter in a dry place within the specified storage environment temperature range of -10°C to 50°C and maximum 70%RH. Always remove the batteries before storing the device for extended periods to prevent leakage.
8. Troubleshooting
This section addresses common issues you might encounter with your TASI Digital Light Meter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Meter does not power on. | Dead or incorrectly installed batteries. | Check battery polarity and replace with fresh AAA batteries. |
| Inaccurate readings. | Dirty or obstructed light sensor; incorrect unit selected. | Clean the light sensor. Ensure the correct unit (LUX/FC) is selected. |
| Display shows "LO" or "OL". | Measurement is outside the meter's range. | Ensure the light intensity is within the meter's specified range (0.1 to 200,000 LUX). |
| Meter turns off unexpectedly. | Auto power-off activated; low battery. | Replace batteries. The auto power-off feature can be disabled if needed (refer to the full manual for detailed instructions). |
9. User Tips
- For the TA630B model, utilize the external sensor's flexibility to measure light in hard-to-reach areas or to avoid casting shadows with the main unit.
- When measuring, ensure the light sensor is positioned directly towards the light source or the area where illuminance is to be measured, maintaining the 120° incident angle for optimal accuracy.
- Use the MAX/MIN functions to monitor light fluctuations over time, which can be useful for assessing lighting stability in a given environment.
- Always remove the protective cover from the light sensor before taking measurements to ensure accurate readings.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the official TASI website. Keep your purchase receipt as proof of purchase.
This product is CE certified, indicating compliance with European safety, health, and environmental protection requirements.