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"Vaiseshika" Humidity Calibration Standards |
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Digital Universal Humidity / Temperature Meter |
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Type : MH 3830 |
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Description 
Digital material Thermohygrometer of MH 3830 are handy, accurate & reliable instruments for measurements & recording of material humidity & temperature. The MH 3850 Series is very flexible and suitable for simple & complex applications. High performance sensors provide high accuracy during signal recognition & processing. The soft keyboard grants a protection against dust & humidity. Additional features like min./max., set/menu, cal, store/quit, alarm function, PC interface make MH 3830 Thermohydrometers extremely versatile and state of the art instruments.
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Specification |
| Measurement Inputs |
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| Material humidity |
: Resistive sensor |
| Internal temperature |
: NTC |
| External temperature |
: Ni-Cr-Ni type K |
| Measuring ranges |
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: -1999....9999 digit |
| Material humidity |
: 4.0....100.0 % weight humidity / 0.1 % |
| Internal temperature |
: -25.0....50.0 °C / 0.1 °C |
| External temperature |
: -40.0....200.0 °C / 0.1 °C |
| Accuracy |
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| Material humidity |
: +/- 0.2 % weight humidity |
| Internal temperature |
: +/- 0.5 % f.s. +/- 0.3 °C +/- 1 digit |
| External temperature |
: +/- 0.5 % f.s. +/- 0.3 °C +/- 1 digit |
Units |
: % rH , °C , °F (selectable) |
Functions |
: PC-Interface, analogous exit 0....1 V
: HOLD, Auto-HOLD, 490 material identity lines |
| Display |
: multifunction LCD for measurement value and functions |
| Electrical connection |
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1 x BNC socker for material humidity incl. PVC cable MK38 (4mm socket) 1 x mini DIN socket |
| Power Supply |
: 9V battery and external power supply unit 12 VDC
: LOW-battery display, Auto-OFF (adjustable 1...120 minutes) |
| Housing |
robust ABS plastics, Pop up clip, IP 65 (front)
soft keyboard: ON/OFF, MIN, MAX, SET/MENU, CAL, STORE/QUIT |
| Dimensions / weight |
140 x 70 x 30 mm (H x W x D), 160 g incl. battery |
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| Sensors for Material Humidity |
Measuring elements |
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material humidity |
: Resistive sensor |
Measuring ranges
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humidity |
: 4.0....100.0 % weight humidity / 0.1 % |
temperature |
: -25.0....50.0 °C / 0.1 °C |
Accuracy
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| material humidity |
: +/- 0.2 % weight humidity |
| temperature |
: +/- 0.5 % f.s. +/- 0.3 °C +/- 1 digit |
| Electrical connection |
: PVC cable MK (1m) with BNC-socket / 4 mm socket |
| MODELS |
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| GSE91 |
: impact electrode |
| GBSK91 |
: brush-type probe 100 mm |
| GSF38 |
: injection probe 1000mm |
| GEF38 |
: flat electrode |
| GSP91 |
: surface probe |
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| Applications: |
| Temperature, Material humidity, Maximum and Minimum temperature measurement in dimatic chambers. |
| Pharmaceuticals, drugs and chemical production plants. |
| Calibration laboratories and quality assurance centres. |
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