健康、安全与环境 - 折射计

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Extech RF11

便携式 ATC 糖度白利度折射计（0 至 10%）

Extech RF11 是一款折射计，用于测量果汁中工业液体和糖的浓度。它体积紧凑，同时又便于操作。RF11 只需要 2 或 3 滴溶液就能工作，并能以便于读取的刻度提供准确和可重复的测量。棱镜和镜头调焦简便并在 10°C 至 30°C 范围内可自动提供温度补偿。配有便携箱、校准螺丝刀、塑料移液管和校准溶液。

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Extech RF12

Portable Brix Refractometer (0 to 18%) with ATC

The Extech RF12 Portable Brix Refractometer measures the concentration of lubricants and cutting fluids. Compact and easy to operate, it requires only 2 or 3 drops of solution and provides accurate and repeatable measurements on an easy to read scale. The RF12 features a prism and lens with a simple focus adjustment and automatic temperature compensation (ATC) from 10°C to 30°C. Comes complete with case, calibration screwdriver, plastic pipette, and calibration solution.

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Extech RF15

Portable Sucrose Brix Refractometer (0 to 32%) with ATC

The Extech RF15 measures the concentration of sugar in fruit juice and industrial fluids from 0 to 32 percent Brix, with a maximum resolution of 0.2 percent Brix and automatic temperature compensation. It only requires two or three drops of solution, and the prism and lens with focus adjustment provides simple, repeatable measurements. The RF15 comes complete with case, calibration screwdriver, plastic pipette, and calibration solution.

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Extech RF20

便携式 ATC 盐度折射计（0 至 100ppt）

Extech RF20 可测量液体中溶解盐的浓度。它体积紧凑，便于操作。具有 10°C 到 30°C 自动温度补偿 (ATC) 功能。配有便携箱、校准螺丝刀、带塑料移液管的校准溶液和用户指南。

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Extech RF40

便携式电池冷却液/乙二醇折射计（带自动温度补偿 (°F)）

这款便携式电池冷却液/乙二醇折射计操作简单，测量结果准确并且可重复，其刻度也方便读取。RF40 可测量汽车冷却液（丙二醇和乙二醇）的凝固点，并指示电池酸的比重，以作为电池充电情况的快速参考。提供一年质保，并配有便携箱、校准螺丝刀和塑料移液管和校准溶液。

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Extech RF41

Portable Battery Coolant/Glycol Refractometer with ATC (°C)

The Extech RF41 measures propylene/ethylene glycol freezing points from -50°C to 0°C. It also measures the specific gravity of battery acid from 1.11 to 1.30 and provides a quick reference of battery charge condition. Requires only 2 or 3 drops of solution for fast and accurate readings. The automatic temperature compensation provides repeatable measurements on an easy to read scale. Prism and lens come with a simple focus adjustment. Includes carrying case and calibration screwdriver.

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