Envco – Environmental Equipment

The ACM-200 plus is designed to be highly reliable and long lasting. It incorporates a large measuring area for signal averaging over a large sample area. This approach provides a reading that takes into account small structure variations that can affect repeatability and reliability when compared to a smaller sampling area. The ACM-200 plus is the successor to the CCM-200 anthocyanin meter, an instrument that was introduced in the year 2005.

The ACM-200 plus has the large on-board memory, storing up to 160,000 measurements or up to 94,000 measurements with GPS Data internally. Users can record large amounts of measurements without concern as the data is stored in non-volitile flash memory. Downloading of data is quick and easy through its universal USB 1.1. port.

Measured Parameters: Optical absorbency in two different wave bands (530 nm and 931 nm). Designed to measure chlorophyll content and compensate for leaf thickness
Measurement Area: 3/8” diameter circle, (0.71cm2)
Resolution: +/- 0.1 ACI Unit
Repeatability: +/- 1%
Source: (1) LED (peak at 530nm)
(1) Infrared LED ( peak at 931 nm)
Detector: Silicon photodiode with integral amplifier for absorptance measurement and source power monitoring for temperature compensation

The ACM-200plus does not require external data loggers. All you need for precise anthocyanin measurements are included in one lightweight, compact, affordable package.

Changes in anthocyanin content can occur over time. Research has shown that the anthocyanin meter can provide a reliable and fast estimate of anthocyanin.

Studies have been done on Sugar maples, Clitoria ternatea, Desniodium adscendens, Corchorus olitorius, Catharanthus roseus, and Hibiscus sabdariffa. Other research is on going.

Laboratory methods for determination of anthocyanin content are both time consuming and destructive to the sample. Typically, a sample must be detached, ground up in a solvent, then assayed in a spectrophotometer. With chemical testing, sample can be measured only once, precluding the cost effective monitoring of trends in anthocyanin content over the life cycle.

The ACM-200 plus accounts for both anthocyanin transmittance and leaf thickness.

Ordering Information
ACM-200 plus Anthocyanin Content Meter
Dual absorbance wavelengths enable this meter to accurately measure relative chlorophyll content in leaf tissue. You can store up to 1 Gbyte of data into its built-in data logger and download the data at a later time. Includes: On board averaging, GPS connectivity, 9 Volt Battery, USB cable, and Owners Manual.