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Extech
Extech LT45 Color LED Light Meter
Quote on request
No online payment · add lines to RFQ BOM
LT45: white+RGBY purple LEDs; 400,000 lux; ±3%; 99 memory. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Display
Handheld LED light meter display (Lux/Fc)
Fc Range
40, 400, 4000, 40000 Fc
Lux Range
400, 4000, 40000, 400000 Lux
Led Type
White, red, yellow, green, and blue LED (plus standard lighting per UM)
Basic Accuracy
+/-3%
Functions
Store/recall 99 readings; luminous intensity (CD); Data Hold; MAX/MIN/AVG; Zero; Auto Power Off (disableable); auto-ranging
Fits multi-color LED illuminance work where you need an Extech LT45—measures white, red, yellow, green, blue, and purple LEDs plus standard lighting to 400,000 lux (40,000 Fc) with ±3% basic accuracy and 99-reading memory.
Key advantages
- LED colors — White, red, yellow, green, blue, purple
- Range — To 400,000 lux / 40,000 Fc
- Accuracy — ±3% basic
- Memory — Store/recall 99 readings
- Sensor — Remote sensor with expand cable; hard case
Typical applications
- Colored LED installations.
- Stage / sign lighting checks.
- Facility lux surveys with logging.
Selection guide
- vs LT40 white-only
- NIST option
- Quantity
Common mistakes
- Buying LT40 for color LEDs.
- Cable stretch beyond expand length.
- Forgetting Min/Max Average modes.
When to RFQ / what to tell us
- NIST option.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 39555 |
| Brand | Extech |
| Model | LT45 |
| Product type | Light Meter |
| Type | Color LED light meter (Extech LT45) |
| Lux | To 400,000 lux / 40,000 Fc |
| Accuracy | ±3% basic |
| LED | White, red, yellow, green, blue, purple |
| Memory | Store/recall 99 readings; remote sensor cable |
Documents
FAQ
Q: Color LEDs? A: White, red, yellow, green, blue, purple.
Q: Memory? A: 99 readings.
Q: What should I send for a quote? A: Options/quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Display | Handheld LED light meter display (Lux/Fc) |
| Fc Range | 40, 400, 4000, 40000 Fc |
| Lux Range | 400, 4000, 40000, 400000 Lux |
| Led Type | White, red, yellow, green, and blue LED (plus standard lighting per UM) |
| Basic Accuracy | +/-3% |
| Functions | Store/recall 99 readings; luminous intensity (CD); Data Hold; MAX/MIN/AVG; Zero; Auto Power Off (disableable); auto-ranging |
| Dimensions | 5.1 x 2.2 x 1.5 in (130 x 55 x 38 mm) |
| Weight | 8.8 oz (250 g) |
| Power | Battery powered; complete with sensor cover and hard case per OEM page |
| Form Factor | Handheld color LED light meter with remote sensor |
| Family | Extech LT40/LT45 |