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Apera Instruments, TN420 Portable White Light Turbidity Meter, EPA 180.1 Compliant
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 15, 2026 6:33 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0.62/22
Market Standing
7.58/20
Deal Strength
13/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Apera Instruments
🚚 Shipping
Free Shipping
Product Details
✓Built with a tungsten filament lamp and uses the 90° scattering method, compliant with the U.S EPA 180.1 method
✓Reading Error≤ ±2% of reading+ stray light in 0 to 1000 NTU (FNU)
✓EPA-approved AMCO high-molecular polymer turbidity standard solutions (0, 20, 100, 400, 800 NTU), non-toxic and disposable, guaranteed one-year shelf life.
✓Large screen with a user-friendly operation system
⚙️ Specifications
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$776.49
$997.00
$593.98
$972.00
U.S EPA 180.1
U.S EPA 180.1
ISO 7027
ISO 7027
Tungsten filament lamp (replaceable)
Tungsten filament lamp (replaceable)
Infrared lamp (non-replaceable)
Infrared lamp (non-replaceable)
0-1000 NTU
0-1000 NTU
0, 20, 100, 400, 800 NTU
0, 20, 100, 400, 800 NTU
≤ 2% of reading +/- stray light
≤ 2% of reading +/- stray light
Normal or Average
Normal or TruRead
