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我们的全硬度低量程手持式检查器®为您提供了先进仪器和典型化学测试试剂盒之间的中间地带。标准测试试剂盒的准确性有限，因为它们依赖人眼来匹配颜色。我们的手持式色度计通过提供直接的数字总硬度低范围结果，消除了与色卡匹配的麻烦。

作为化学测试试剂盒的更好替代品，我们的总硬度低范围检查器®只需几个简单的步骤即可提供数字结果。

功能一览：

Specification Name	Detail
SKU	HI735
Range	0 to 350 ppm (mg/L) as CaCO3
Resolution	1 ppm (mg/L)
Accuracy @ 25°C (77°F)	±6 ppm ±6% of reading @ 25 °C (77 °F)
Light Source	Light Emitting Diode @ 470 nm
Light Detector	silicon photocell
Method	Adaptation of the EPA recommended Method 130.1. The reaction between calcium, magnesium, and the reagents causes a red-violet tint in the sample.
Battery Type	1.5V AAA Alkaline
Auto shut-off	after ten minutes of non-use
Environment	0 to 50 °C (32 to 122 °F); max. 95% RH non-condensing
Dimensions	86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
Weight	64 g (2.3 oz)
Ordering Information	Each HI735 is delivered in a case with custom insert and is supplied with Total Hardness Low Range reagent starter kit (reagents for 12 tests), Sample cuvette and cap (2 pcs.), 1 mL graduated syringe with tip (2 pcs.), Plastic refilling pipette (1 pc.), 1.5V AAA alkaline battery (1 pc.), and Instruction manual.
Reagent Set	HI735-25 (25 tests)
Calibration Check	HI735-11
Warranty	1 year