# Extech HD600 Datalogging Sound Level Meter (Discontinued): specs and price

**Price (US):** $559 at extech.com (Last documented retail at JJS Tech; Extech/FLIR lists this model as discontinued with no current manufacturer MSRP. A NIST-calibrated variant was seen at $752.40 (Test Equipment Depot); an open-box unit sold for $249.97 on eBay.), as of 2026-08-09. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 11 sound level meters we track it is the most expensive; category median $114.
**Brand:** Extech

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $559 |
| Brand | Extech |
| Measurement range (dB) | 30 to 130 dB (3 ranges) |
| Accuracy (dB) | ±1.4 dB |
| Frequency weighting | A, C |
| Time weighting | Fast/Slow |
| Resolution (dB) | 0.1 |
| Data logging | Up to 20,000 records, 1-59 sec logging interval (10 readings/sec via PC connection) |
| Microphone type | Electret condenser |

## Where it stands

At $559, the Extech HD600 Datalogging Sound Level Meter (Discontinued) is the most expensive of the 11 sound level meters we track, where the median is $114. On the spec sheet, its resolution of 0.1 dB is at the median of the 11.

## Frequently asked questions

**How much does the Extech HD600 Datalogging Sound Level Meter (Discontinued) cost?**

The Extech HD600 Datalogging Sound Level Meter (Discontinued) has a US price of $559 (Last documented retail at JJS Tech; Extech/FLIR lists this model as discontinued with no current manufacturer MSRP. A NIST-calibrated variant was seen at $752.40 (Test Equipment Depot); an open-box unit sold for $249.97 on eBay.), as of 2026-08-09.

**How does the Extech HD600 Datalogging Sound Level Meter (Discontinued) compare on price?**

At $559, the Extech HD600 Datalogging Sound Level Meter (Discontinued) is the most expensive of the 11 sound level meters we track, where the median is $114.

**What are the Extech HD600 Datalogging Sound Level Meter (Discontinued)'s key specs?**

Extech HD600 Datalogging Sound Level Meter (Discontinued) (Extech): measurement range db 30 to 130 dB (3 ranges), accuracy db ±1.4 dB, frequency weighting A, C, time weighting Fast/Slow, resolution db 0.1. Full sourced spec sheet verified 2026-08-09.

Source: https://www.extech.com/products/hd600/ (extech.com, accessed 2026-08-09)
Corroboration: https://www.jjstech.com/ext-hd600.html (accessed 2026-08-09)
Canonical: https://frontdeskreview.com/product/sound-level-meters/extech-hd600/
Cite: Per The Front Desk Review, the Extech HD600 Datalogging Sound Level Meter (Discontinued) price of record was $559 as of 2026-08-09 — https://frontdeskreview.com/product/sound-level-meters/extech-hd600/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl