Sper Scientific 840020C Lux price history, checked Nov 15, 2026: Good price. $201.37 is 7% below the $218.00 it normally sells for.

Sper Scientific 840020C Lux and Foot-Candles Light Meter

Only 10 left

Good price

$201.37 is 7% below the $218.00 it normally sells for.

Now: $201.37
Normally: $218.00
Lowest in 143 days: $175.93(Sep 20)
Highest: $218.00

Evidence: Strong143 days tracked5 price changeschecked 50 min ago

Where today's price sits

Now $201.37Normal $218.00$175.93

View on amazon.com

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

Price history

Tracked since Jun 24 · 143 days · 5 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 7% below its normal price of $218.00. Sper Scientific 840020C Lux and Foot-Candles Light Meter price history, checked Nov 15, 2026: current price $201.37, normal (typical) price $218.00, average $194.35 over 143 days, lowest $175.93 (Sep 20, 2026), highest $218.00 (Oct 6, 2026).

Price
Not checked for 3+ days
Normal $218.00
5% or more below normal

How often does it drop below normal?

In the 143 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 31 days. It's below normal right now.

A count of what happened, not a prediction.

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Get this as JSONThe same verdict and prices, from the TrackPin API.

GET/api/v1/product/B00N5IPZ68

Request

curl https://trackpin.co/api/v1/product/B00N5IPZ68 \
  -H "x-api-key: $TRACKPIN_API_KEY"

const res = await fetch("https://trackpin.co/api/v1/product/B00N5IPZ68", {
  headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();

console.log(product.verdict.label, product.price.reference_cents);

import os, requests

r = requests.get(
    "https://trackpin.co/api/v1/product/B00N5IPZ68",
    headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()

print(product["verdict"]["label"], product["price"]["reference_cents"])

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key

Live responseAs of 03:45 UTC

{
  "asin": "B00N5IPZ68",
  "title": "Sper Scientific 840020C Lux and Foot-Candles Light Meter",
  "image": "https://m.media-amazon.com/images/I/41hllTGnh5L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "BISS Basic",
  "category_label": "Industrial & Scientific",
  "in_stock": true,
  "price": {
    "current_cents": 20137,
    "reference_cents": 21800,
    "discount_pct": 7.63,
    "is_deal": true,
    "observed_at": 1794711328697,
    "changed_at": 1794249130676,
    "checked_at": 1794711328697,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 7.63,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $201.37 is 7% below the $218.00 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 17593,
    "max_cents": 21800,
    "avg_cents": 19435,
    "history_days": 143,
    "price_levels": 201,
    "price_changes": 5,
    "distinct_prices": 5,
    "lowest_at": 1789934500461
  },
  "history": [
    {
      "price_cents": 17593,
      "from": 1789934500461,
      "to": 1789935726169
    },
    {
      "price_cents": 17963,
      "from": 1789981717326,
      "to": 1789983235734
    },
    {
      "price_cents": 21800,
      "from": 1791323641113,
      "to": 1794239259272
    },
    {
      "price_cents": 20569,
      "from": 1794245225673,
      "to": 1794245225673
    },
    {
      "price_cents": 20137,
      "from": 1794249130676,
      "to": 1794711328697
    }
  ],
  "last_seen": 1794711328697
}
// … 196 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.

Sper Scientific 840020C Lux and Foot-Candles Light Meter

Price history

How often does it drop below normal?

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