型號
MTR-731( 單針型)
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測量範圍(內建三段可設定)
水分：0.0 ~ 100.0%
土壤：6.0 ~ 56.0% WME
溫度 : - 40 ~ +60℃
精確度(at 25℃)
水分: ± 2% WME
溫度: ± 0.4℃
長期穩定性
一年小於 1% ( 典型 )
溫度補償
± 0.02% °C (at 0% RH)
反應速度
約 3 秒
信號輸出
(訂購時須指定 )
A：水分：4 ~ 20 mA / 0 ~ 100% (兩線式 )
?溫度：4 ~ 20 mA / -40 ~ +60℃ (兩線式)
V：水分：0 ~ 2VDC / 0 ~ 100%
?溫度：0 ~ 2VDC / -40 ~ +60℃
操作溫度範圍
-40 ~ + 60°C，< 95%RH
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材質
主器：ABS 強化塑膠，防水等級 IP 65
測棒：不銹鋼 SUS304(MTR-731型 )；雙針硬化金屬+六角固定柄 (No.7018)
電源
12 ~ 40V DC ，>120mA
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結線器
防水型快速結線器及端子座，適用結線外徑：ψ5 ~ 10 mm
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???????????尺寸 /重量
主器：ψ90 × 54mm
測棒：ψ8 × 150mm (MTR 731 / 732)
雙針：ψ2.5×25mm具可錘入固定柄及耐溫延長信號線(MTR-731CW型用 No.7018)
※ 測棒長度及 MTR-731CW之信號線長度可依需要指定
重量：約 190 g
model
MTR-731 (single needle type)
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Measuring range (built-in three sections can be set)
Moisture: 0.0 to 100.0%
Soil: 6.0 to 56.0% WME
Temperature: - 40 ~ + 60 ℃
Accuracy (at 25 ℃)
Moisture: ± 2% WME
Temperature: ± 0.4 ℃
Long - term stability
Less than 1% a year (typical)
Temperature compensation
± 0.02% ° C (at 0% RH)
reaction speed
About 3 seconds
Signal output
(Specified at the time of order)
A: Moisture: 4 to 20 mA / 0 to 100% (two-wire type)
?Temperature: 4 ~ 20 mA / -40 ~ + 60 ℃ (two-wire)
V: Moisture: 0 to 2 VDC / 0 to 100%
?Temperature: 0 ~ 2VDC / -40 ~ + 60 ℃
Operating temperature range
-40 to + 60 ° C, <95% RH
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Material
Main device: ABS reinforced plastic, waterproof rating IP 65
Measuring rod: stainless steel SUS304 (MTR-731 type); double needle hardened metal hexagon socket (No.7018)
power supply
12 ~ 40V DC,> 120mA
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