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MDM25
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Hand-Held Hydrometer
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．Battery-operated handmeter
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．Displays %RH and temperature, plus dew point, absolute humidity And wet bulb temperature
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．Long term stability: ±1% RH over 12 months
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Measurement Range：
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Humidity 0~100%RH
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Temperature
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-20 ~ 80℃ (Fixed and standard probe)
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-20 ~ 100℃ (Sword probe)
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-20 ~ 150℃ (Remote probe)
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Measurement Units：
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%RH, ℃/℉ Ta, ℃/℉ Td, g/m³, ℃/℉ Tw
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Accuracy at 25℃：
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Humidity
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±2% RH(10% ~ 90%, Fixed probe)
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±2% RH( 5% ~ 95%, Remote probe)
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Temperature ±0.2℃
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Stability：
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±1% RH / year ( RH sensor )
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Response Time：
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<10 sec typical (for 90% of the step change)
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Ingress Protection：
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IP54(Hand meter only)
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Display Resolution：
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Graphic LCD 128 x 64 pixels
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Supply Voltage：
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4.5 V(3 x AA batteries - provide approximately 70 hours of operation)
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