Altronics Q1270B Manuale utente
User's Manual
Professional Light Meter
Please read this user's manual thoroughly before using this unit
and keep it properly for your future reference.
Contents
1. Safety.......................................................................... 1
2. Application ................................................................. 2
3. Features ...................................................................... 3
4. Specifications ............................................................. 4
5. Meter Description....................................................... 5
6. LCD Display Description........................................... 6
7. Operation Instruction.................................................. 7
8. Notes........................................................................... 9
9. Accessories................................................................. 9
1
1. Safety
Read the following safety information carefully before attempting
to operate or service the meter.
Use the meter only as specified in this manual; otherwise, the
protection provided by the meter may be impaired.
◆Environment conditions:
RH≤90％（Non-Condensation）
Operating Temperature: -20℃～60℃
Storage Temperature: -20℃～60℃
◆Maintenance
Repairs or servicing not covered in this manual should only be
performed by qualified personnel.
Wipe the unit with a dry soft cloth. Do not use abrasives or
solvents on this instrument.
◆Safety Symbol
Comply with EMC
2
2. Application
This Light Meter is designed to meet the measurement
requirements of safety Engineers, Health, Industrial safety offices
and light quality control in various environments like factory,
school, construction, etc.
3
3. Features
Measuring range: 0Lux～400kLux/0Fc～40kFc
(Measurement repeatability)
Analog bar-graph indication
High accuracy
Data hold
Meter corrected for spectral relative efficiency
Automatically revise parameters for un-standard illumination
Short rise and fall times
Selectable measuring units: Lux or Fc
Meter automatically shuts down after approx. 15 minutes of
inactivity
MAX/MIN record
Large LCD display
Peak-hold
4-level selectable measurement ranges
Automatic measurement
Low battery indication
4
4. Specifications
Display
4 digits LCD display
Measuring range
0 Lux～400k Lux；0Fc～40k Fc
Spectral response
CIE photopic (CIE human eye response
curve)
Over range indication
LCD displays "-OL-" or "-LO-"
Symbols show as OVER” or “UNDER
Spectral accuracy
CIE Vλ function(f1’≦6%,f2’≦2%)
Accuracy
±3% rdg±0.5%f.s.(<10,000Lux);
±4% rdg±10dgts.(>10,000Lux)
Sampling rate
2 times per second
Photo detector
Silicon photo-diode with spectral response
filter
Power supply
One 9V battery, 006P, NEDA1604 or
IEC6F22
Photo detector Lead Length
approx. 2.5m
Battery life
at least 30 hours
Operating conditions
-20℃～60℃; 10％RH～90％RH
Storage conditions
-20℃～60℃; 10％RH～75％RH
Dimension(L*W*H)
158*62*32mm
Weight
258g
5
5. Meter Description
①Photo Sensor ②LCD display
③Lux/Fc selection key ④MAX/MIN key
⑤Range level selection key ⑥Backlight/HOLD key
⑦Power ON/OFF key ⑧Battery Cover
6
6. LCD Display Description
①Low range indication icon ②MAX icon
③MIN icon ④Over range indication icon
⑤Range indication ⑥Analog bar-graph indication
⑦Lux/Fc record ⑧Low battery icon
⑨Auto range icon ⑩Hold icon
⑪LUX icon ⑫Fc icon
⑬Auto power off icon
7
7. Operation Instruction
(1) Power ON/OFF Function: press"" key for one second,
the meter will be on; keep pressing this key for approx. 3 seconds,
the meter will be off.
(2) Backlight
After turning the meter on, momentarily press " " key, the
backlit will be on/off, it will automatically turn off after approx.
30 seconds of inactivity.
(3) Data Hold
Press " " key one time, "HOLD" icon will appear on the LCD,
which indicates the data is freezed. To release the held reading,
press the key again.
(4) Fc/Lux Selection
Press the " " key to select Fc units or Lux units.
(5) MAX/MIN
In the measurement mode, press " " key one time, "MAX"
icon will appear on the LCD to view the current MAX reading,
8
press the button again, "MIN" icon will appear to view the current
MIN reading. Press this key once more to exit the MAX/MIN
mode.
Press " " key for 3 seconds above, re-start to calculate the
maximum, minimum.
(6) Range selection
Press" " key to select the range level, there are four
selectable levels:0～400Lux
400～4kLux;
4k～40kLux
40k～400kLux;
AUTO:0～400kLux;
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