Dendrometer for trunk circumference MIJ-02 Rotary Type 3-MIJ-02 Rotary Type 3

Dendrometer for trunk circumference MIJ-02 Rotary Type 3
Japan Environmental Measurement Co., Ltd.

About This Product

■SummaryA dendrometer is a sensor that measures the growth rate of plants, and has long been used to measure both vertical and horizontal growth (growth around the stem circumference). Although primitive, a typical method is to wrap a belt-shaped tape measure around the trunk of a tree and visually read the seasonal changes. This method has the advantage of being able to measure a large number of trees because it is low cost, but on the other hand, it requires regular checks by humans, which requires even more labor as the number of trees increases.

On the other hand, MIJ-02type3 is a device that electrically reads this displacement. In combination with a data logger, it is possible to automatically read both diurnal and seasonal changes in hypertrophic growth at short intervals over a long period of time. It also enables stable measurement in μm units, which is not possible with visual inspection types.

■Features・Non-destructive/destructive measurement can be selected (optional non-destructive kit is required for non-destructive measurement)
・By using a wire type, measurements can be taken immediately after installation.
・The entire potentiometer and pulley can be rotated 30 degrees, making it easy to apply initial tension.
・Wide measurement range of 30mm
・Output: ratiometric
・Avoid temperature characteristics of potentiometer
・Measurement range: Diameter 40mm~

Model
There is 1 model available for this product.

Product
Dendrometer for trunk circumference MIJ-02 Rotary Type 3

Handling Company
Japan Environmental Measurement Co., Ltd.

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1 Models of Dendrometer for trunk circumference MIJ-02 Rotary Type 3

Image	Part Number	Price (excluding tax)	Size	Torque	Pin assignment	Preheat	Pulley rotation angle	Wire temperature characteristics	Operating temperature range	Output	Output regression equation	Resolution	Mounting screw hole	Standard accessories	Measuring range	Withstand voltage	Weight	Waterproof connector standard	Waterproof ability	Non-destructive kit
	MIJ-02 Rotary Type 3	Available upon quote	Width: 56mm Height: 90mm Depth: 53mm (cable not included)	0.03-0.15Nm (actual value in 0-30mm range)	Red: Preheat, White: Voltage output, Black: Common (Preheat GND and voltage output GND are shared)	5VDC (5mAat5VDC)	Mechanically and electrically 90DEG	Thermal expansion coefficient 17.3×10^-6/DEG (SUS304)	-40to100DEG (It may become stuck due to freezing, but it will not be destroyed)	Ratiometric (e.g., output full scale is 5V when preheating is 5V)	DL=30,000×Vout/Vpre (dL: displacement um, Vout: voltage output, Vpre: preheat voltage) (For MIJ-01, input dL=30,000*X001/5,000 into PVS)	Data logger dependent (6um/mV; less than 0.1um for MIJ-01, 6um for MIJ-12)	Φ4-2 locations (use 1 location each on top and bottom)	MIJ-02Rotary/W1.0 (wire 1m; cable not included)	30,000μm (Φ38,198μm×π×90DEG/360DEG)	18VDC or less	116g (excluding cable and tapping screw)	Sumiko Tech CL07D03M (Plug)	IP65 (potentio part)	1 set of 2 non-destructive belts