Product Description
- 3½ digits LCD with maximum reading 2000.
- Overload indication.
- Low battery indication.
- According to JISC1609:1993 and CNS 5119 general A class specifications.
- Spectral response close to CIE luminous spectral efficiency.
- Measuring intensities of illumination in unit of Lux or Foot-candle.
- Measuring lights source include all visible range.
- Cosine angular corrected.
Specification
|
Model |
TM-203 |
TM-204 |
TM-205 |
|
Data hold |
V |
V |
V |
|
Max/ Min /AVG hold |
V |
|
|
|
Max hold |
|
V |
|
|
Zero adjustment |
V |
V |
V |
|
Auto ranging |
V |
|
V |
|
Auto power off |
V |
|
V |
|
Datalogger |
V |
|
|
|
Sensor |
Silicon photodiode and filter |
||
|
Measuring range |
20,200, 2000, 20000, 200000 Lux |
||
|
20,200, 2000, 20000 Foot-candle |
|||
|
Accuracy |
+/- 3% (Calibrated to standard incandescent lamp 2856º K) |
||
|
+/- 8% (other visible light source TM-204) |
|||
|
+/- 6%(other visible light source TM-203/205) |
|||
|
Angle deviation from |
30º |
+/- 2% |
|
|
cosine characteristics |
60º |
+/- 6% |
|
|
|
80º |
+/-25% |
|
|
DIMENSION |
|||
|
Meter size (LxWxH) |
172x55x38mm |
||
|
Weight (including battery) |
250g |
||
