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Product Specifications:
| Item | LED Light Meter |
| Accuracy | -3% to +3% |
| Auto Power Off | Yes |
| Batteries Included | Yes |
| Battery Run Time | 200 hrs. |
| Battery Size | AAA |
| Battery Type | AAA |
| Battery Voltage | 1.5V |
| Body Style | Full Size |
| Calibration Certificate | NIST With Data |
| Calibration Certificate Type | NIST |
| Certificate Of Calibration | Included |
| Data Logging | No |
| Data Storage | Yes |
| Display Type | LCD |
| Fc Light Level Accuracy | -3% to +3% |
| Fc Light Level Resolution | 0.01 fC |
| Fc Maximum Light Level Measured | 40000 fC |
| Fc Minimum Light Level Measured | 99.99 fC |
| Includes | (2) AAA Batteries, Light Sensor Cover, NIST Traceable Certificate Of Calibration, Pouch |
| Interface | No |
| Light Level Accuracy | ±3% |
| Lights Tested | LED |
| Lux Light Level Accuracy | -3% to +3% |
| Lux Light Level Resolution | 0.1 lux |
| Lux Maximum Light Level Measured | 400000 lux |
| Lux Minimum Light Level Measured | 999.9 lux |
| Manufacturer Warranty Length | 2 yrs. |
| Measurement Range | 0 lux to 40000 lux, 0 fc to 4000 fc |
| Meter Type | Standard |
| Min./max. Memory | Yes |
| Number Of Batteries Required | 2 |
| Peak Hold | No |
| Resolution | 0.01 fc, 0.1 lux |
| Sensor | Photo Diode Sensor |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | TW |
Product Variants
| Product | Model | Accuracy | Calibration Certificate | Resolution | Peak Hold | Interface | Cord Length | Auto Power Off | Battery Voltage | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
SDL400 | -4% to +4% | Optional | - | - | RS-232 | - | Yes | 1.5V | €613.05 | |
![]() |
SDL400-NIST | -4% to +4% | NIST Certificate Included | - | - | RS-232 | - | Yes | 1.5V | €866.95 | |
![]() |
LT300 | -5% to +5% | No | 0.01 fC Or 0.01 lux | Yes | - | 24" | Yes | 9V | €397.38 | |
![]() |
401025 | - | - | 0.1 fC Or 1.0 lux | - | - | - | No | 9V | €295.52 | |
![]() |
HD450 | -5% to +5% | - | 0.01 fC Or 0.1 lux | Yes | USB | - | Yes | 9V | €619.18 | |
![]() |
HD450-NIST | -5% to +5% | NIST | 0.01 fC Or 0.1 lux | Yes | USB | 39" | Yes | 9V | €934.12 | |
![]() |
EA30-NIST | - | NIST | 0.01 fC Or 0.01 lux | Yes | - | 39" | Yes | 1.5V | €722.97 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
EXTECH LT40-NIST LED Light Meter, NIST, LCD, Cosine Correction/Photo Diode
€484.70 /unit

