# YSI pH100A Handheld pH Meter Kit (1m probe): specs and price

**Price (US):** $583.95 at amazon.com (Current Amazon retail price for the 1m-probe kit configuration), as of 2026-08-12. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 11 ph meters we track it is the most expensive; category median $124.
**Brand:** YSI (Xylem)

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $583.95 |
| Brand | YSI (Xylem) |
| Ph range | -2.00 to 16.00 |
| Resolution ph | 0.01 pH |
| Accuracy ph | ±0.1% ±2 least significant digits (LSD) |
| Calibration points | Automatic 2-point, auto-buffer recognition (4.01/7.00/10.01 or 4.00/6.86/9.18) |
| Atc | Yes, both manual and automatic temperature compensation |
| Electrode type | Combination pH/temperature probe on a 1m (3'3") Y-cable |
| Waterproof rating | IP67 |
| Battery type | 1 x 9V, up to 1000 hours |

## Where it stands

At $584, the YSI pH100A Handheld pH Meter Kit (1m probe) is the most expensive of the 11 ph meters we track, where the median is $124.

## Frequently asked questions

**How much does the YSI pH100A Handheld pH Meter Kit (1m probe) cost?**

The YSI pH100A Handheld pH Meter Kit (1m probe) has a US price of $583.95 (Current Amazon retail price for the 1m-probe kit configuration), as of 2026-08-12.

**How does the YSI pH100A Handheld pH Meter Kit (1m probe) compare on price?**

At $584, the YSI pH100A Handheld pH Meter Kit (1m probe) is the most expensive of the 11 ph meters we track, where the median is $124.

**What are the YSI pH100A Handheld pH Meter Kit (1m probe)'s key specs?**

YSI pH100A Handheld pH Meter Kit (1m probe) (YSI (Xylem)): ph range -2.00 to 16.00, resolution ph 0.01 pH, accuracy ph ±0.1% ±2 least significant digits (LSD), calibration points Automatic 2-point, auto-buffer recognition (4.01/7.00/10.01 or 4.00/6.86/9.18), atc Yes, both manual and automatic temperature compensation. Full sourced spec sheet verified 2026-08-12.

Source: https://www.amazon.com/YSI-pH100A-1M-Probe-Case/dp/B008OJ43NY/ (amazon.com, accessed 2026-08-12)
Canonical: https://frontdeskreview.com/product/ph-meters/ysi-ph100a/
Cite: Per The Front Desk Review, the YSI pH100A Handheld pH Meter Kit (1m probe) price of record was $583.95 as of 2026-08-12 — https://frontdeskreview.com/product/ph-meters/ysi-ph100a/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl