HABOTEST HT603 Digital LED Light Meter User Manual

Digital Light/ LED Light Meter
User Manual

**** Before using the instrument. please read this manual .D carefully, and save it well for future using.

Introduction

Visible light emitted by fluorescent lamp, metal halide lamp, high voltage sodium lamp or incandescent lamp can be measured.
One lux is the light received on the surface of a candle with a vertical intensity of 1 meters and an area of 1 square meters.
One FC is the light received on the surface of a 1 inch square foot at a distance of 1 feet from a candle with a light intensity.

1. Protective shield light sensor
2. Display LCD
3. Function key

Key Description

| Power On/Off key
---|---
| Data hold/ backlight key
| Max/Min Key
| Temperature unit selection key
| unit selection key

Operation

Taking measurements

1. Press the button to turn power on.
2. Remove the protective cap from the sensor.
3. Place the sensor in a horizontal position at the measurement location.
4. Read the light level on the display.

Caution:
To protect the lens from scratches, keep the protective cap on the sensor whenever the unit is not in use.
Data hold
Press the button to freeze the displayed reading. The ‘H’ hold icon will appear on the display.
Press the button again to return to normal operation.
MAX/MIN function

1. Press the button once to put the meter in MAX/MIN mode. The meter will now display the highest reading that occurs while the function is enabled. The “MAX” icon will appear in the display.
2. Press the button again to display the lowest reading that occurs while the function  is enabled. The “MIN” icon will appear in the display.
3. Press again to toggle between the MAX and MIN readings.
4. To exit the MAX/MIN mode and return to the normal real time display, press and hold the button (2 seconds) until the MAX and MIN icons disappear.

Units of measure
Press the UNIT button to select the unit of measure. “LUX” or “FC” will appear in the display.
Power ON and Automatic Power Off

1. Press the [fil button to turn the meter on.
2. Press the [fil button again to turn the meter off.
3. The meter has an automatic power off feature that conserves battery energy. After 10 minutes the meter automatically shuts off.
4. To press and hold the button to turn the meter on, the auto power off function will be cancelled. And the icon disappears.

Backlight function

Press and hold  for about 2 seconds to turn on the backlight, then press and hold again to turn off the backlight.

Specifications

Range / Accuracy| LUX: 1000,10000, 200000
FC: 100,1000, 20000
---|---
±(3%+5 words) (at 2854°K incandescent lamps)
±(6%+5 words ) others Cosine angle deviation characteristics
30° ±2%; 60° ±6%;
80° ±25%
Sensor| Silicon photo-diode and spectral response filter
Operating conditions| Temperature:0 — 40°C ,
Humidity:<80%RH
Altitude :<2000m
Storage conditions| Temperature:-10 — 50°C ,
Humidity:<80%RH
Sampling rate| Approx. 2 times per second
Spectral range| 320∼730nm
Auto power off| 10 minutes
Power| 3 x 1.5VAAA batteries

Temperature & Humidity specification:

Other: ±1.5°C/3.0°F
Humidity| Measuring range| 0.0% —99.9%RH
Accuracy| 20%-80°/0:±5.0RH
Other: ±6.0RH

Maintenance

Battery Replacement
When the battery voltage is low the ‘ ‘ symbol will appear on the display.
Replace the three (3) 1.5 ‘AAA’ batteries by removing the rear (center) battery compartment screw and accessing the battery compartment.
Observe polarity when placing the batteries in the compartment. Ensure that the compartment cover is securely fastened when finished.

Cleaning and storage

Caution
To avoid damaging the instrument housing, do not use corrosive or solvent to clean the instrument.
The white plastic sensor dome should be cleaned with a damp cloth when necessary Store the meter in an area with moderate temperature and humidity (refer to the operating and storage range in the specifications chart earlier in this manual).

EMC&LVD

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