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Extech
Extech HD450 Light Meter
Quote on request
No online payment · add lines to RFQ BOM
Datalogging light meter; to 400,000 Lux; 16k log; USB. RFQ + selection help.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Accuracy
±5% of reading
Fc Range
40, 400, 4000, 40.00 kFc
Lux Range
400, 4000, 40k, 400 kLux
Max Resolution
0.01 Fc / 0.1 Lux
Datalogging
16,000 continuous readings; 99 manual store/recall
Pc Interface
USB with software
Fits logged illuminance studies where you need an Extech HD450 with ranges to 400,000 Lux / 40 kFc, 16,000-point continuous logging, USB software, and 10 ms peak capture.
Key advantages
- Ranges — Fc to 40.00 kFc; Lux to 400 kLux
- Accuracy — ±5% of reading
- Logging — 16,000 continuous; 99 manual store/recall
- PC — USB with software
- Peak — 10 ms peak capture; cosine/color corrected
Typical applications
- Lighting datalog surveys.
- USB-documented illuminance routes.
- Peak capture of short light pulses.
Selection guide
- Logging vs manual 99
- USB software — PC workflow
- Peak 10 ms — Pulse lighting
- Power — 9 V; 3-year warranty class
Common mistakes
- Expecting ±3% EA30-class accuracy.
- Filling 16k log without USB download plan.
- Sensor placement without cosine awareness.
When to RFQ / what to tell us
- Software/cable; quantity; ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 24976 |
| Brand | Extech |
| Model | HD450 Light Meter |
| Product type | Light Meter |
| Fc range | 40, 400, 4000, 40.00 kFc |
| Lux range | 400, 4000, 40k, 400 kLux |
| Max resolution | 0.01 Fc / 0.1 Lux |
| Accuracy | ±5% of reading |
| Datalogging | 16,000 continuous readings; 99 manual store/recall |
| PC interface | USB with software |
| Cosine/color corrected | Yes |
| Peak mode | 10 ms peak capture |
| Dimensions | 6.7 × 3.1 × 1.6 in (170 × 80 × 40 mm) |
| Weight | 13.7 oz (390 g) |
| Power | 1 × 9V battery |
| Warranty | 3 years (extech.com) |
Documents
FAQ
Q: Logging capacity? A: 16,000 continuous readings; 99 manual.
Q: USB? A: Yes — USB with software.
Q: What should I send for a quote? A: Accessories, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | ±5% of reading |
| Fc Range | 40, 400, 4000, 40.00 kFc |
| Lux Range | 400, 4000, 40k, 400 kLux |
| Max Resolution | 0.01 Fc / 0.1 Lux |
| Datalogging | 16,000 continuous readings; 99 manual store/recall |
| Pc Interface | USB with software |
| Cosine Color Corrected | Yes |
| Peak Mode | 10 ms peak capture |
| Dimensions | 6.7 × 3.1 × 1.6 in (170 × 80 × 40 mm) |
| Weight | 13.7 oz (390 g) |
| Power | 1 × 9V battery |
| Warranty | 3 years (extech.com) |