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測量

秤與計時器 — 可重複泡茶的靜謐器具

工夫茶靠公克與秒數。0.01 克的秤能告訴你,昨天的茶湯為何精彩,今天卻平淡無奇。靜音計時器讓桌面保持寧靜。這類別規模不大、技術性強,卻絕對是支撐一切的基石。

測量

為何測量是看不見的關鍵配料

大多數泡茶失敗的原因,不在水或茶葉 — 在於茶人從未真正看清的份量。憑眼力估量 5克捲曲的 dancong(单丛)對比 5克壓製的 shou pǔ’ěr(熟普洱),即便手中看來都是一小撮,泡開後佔據的茶器容量卻截然不同。一把秤終結了所有爭論。計時器則終結第二場 — 第三泡究竟是十五秒,還是接近四十秒的爭辯。

這類工具不講浪漫。它們與手拉坯的 Yìxīng(宜兴)壺恰恰相反,卻讓那把壺變得誠實。一旦你記錄下:某款武夷岩茶取 7.2克,以 110毫升蓋碗、96°C水溫、6/8/12/20 秒的階梯浸泡,便能沖出你愛的那一杯 — 下週二就可以一模一樣地重現。沒有計量,每一泡都像第一次。

有兩個值得認識的門檻。0.1克解析度足以應付多數茶葉秤量,因為 0.1克的乾茶大約是兩到三片小茶葉,遠低於味蕾的敏感度。0.01克解析度則在秤取少量樣本(低於3克)、盲測比較不同供應商,或處理 mǒchá(抹茶)一類粉末茶時派上用場 — 0.3克的差距就會明顯改變泡沫。多數居家茶人不需要 0.01克;多半的建檔者、侍茶師和比賽選手則需要。

計時器也同樣分流。一個大聲作響的廚房計時器會破壞空間。寂靜的震動計時器,或設為純觸覺回饋的手機應用,能讓桌面保持寧靜 — 這在四個人共席的工夫茶會上,比大家願意承認的更重要。我們兩者皆有收錄,但偏重無聲的款式。

關於投茶量與茶器比例背後的理論,tea.school 上的工夫茶基礎課程 以實例解說其中的運算。想了解校準品鑑的更廣視角,請參閱 tea.degree 的感官工具。

本季選品

精而少的選品。我們只陳列自己在品評檯上使用的工具 — 沒有花俏的秤,沒有嗶嗶作響的廚房計時器。

A buyer's note

Choosing a scale and timer

解析度:0.1克對多數人已足夠

0.1g handles every gongfu session under 12g of leaf. Step up to 0.01g only if you weigh sub-3g samples, dose *mǒchá*, or run comparative cuppings.

秤盤尺寸比你以為的更關鍵

A tiny jewelry-scale pan can't hold a *cha he* (茶荷). Look for at least 60mm across, or a flat top that accepts a tared dish.

蒸氣下的歸零穩定性

Cheap scales drift when warm air rises off the kettle. Test by taring, waiting thirty seconds near a boiling kettle, and checking zero. Drift over 0.05g is disqualifying.

靜音計時器,偏好震動提示

A vibrating wrist or pocket timer keeps the room quiet. If using a phone, lock it to do-not-disturb with haptics on — beeping breaks the pour rhythm.

正數計時,而不僅是倒數

A stopwatch that counts up lets you see actual infusion time after the fact, which matters when you forgot to start it. Countdown alone hides the data.

電池與校準砝碼

Pick a scale that uses common AAA cells, not a sealed lithium pack. A 50g or 100g calibration weight should ship with it — if not, budget one separately.

Common questions

Asked, answered.

Do I really need a 0.01g scale for gongfu?

No. 0.1g resolution covers nearly every session. 0.01g is for sub-3g samples, *mǒchá* dosing, or blind comparative tastings where small differences are the whole point.

Will steam from the kettle damage the scale?

Brief exposure is fine. Sustained steam can drift the load cell and corrode contacts. Keep the scale on a dry surface a hand's width from the kettle spout.

What's a good baseline ratio to start measuring against?

For gongfu, 1g of leaf per 15ml of vessel is a sane starting point. Adjust down for very curled oolongs, up for compressed dark teas. The [encyclopedia on thetea.app](https://thetea.app) lists ratios by style.

Can I just use my phone as a timer?

Yes, with do-not-disturb and haptic alerts. Audible beeps disrupt a shared session. A dedicated silent timer is nicer but not required.

How accurate are these scales, really?

Properly calibrated, the 0.01g unit reads within ±0.02g across its working range. Check monthly with the calibration weight; recalibrate if drift exceeds 0.05g.

What about weighing the gaiwan with leaf inside?

Workable, but tare the empty gaiwan first, then add leaf. Hot vessels add convection error, so weigh the gaiwan at room temperature.

Do competition brewers measure to 0.01g?

Yes, most do, especially in dose-controlled formats. See [tea.events](https://tea.events) for upcoming cuppings and competition formats where this precision is standard.