Introduction
DTMC-mk301G High-precision thermometer is a new generation of multi-channel super thermometer specially developed for the field of temperature measurement calibration and precision temperature measurement. It highly integrates high-accuracy electrical measurement technology, intelligent interaction technology, and industry needs, and comprehensively solves the measurement and calibration needs of laboratory and field temperature sensors.
The DTMC-mk301G can measure RTDs, thermocouples, thermistors, temperature transmitters, humidity sensors, DC current and DC resistance, and DC voltage signals. Support ITS-90 temperature scale and IEC60751 standard, built-in thermal conversion software, support sensor parameter management and intelligent sensor management function, in electric power, petrochemical, measurement, metallurgy, biology, pharmaceutical, scientific research work has a wide range of uses, it is ideal for temperature measurement calibration field.
Function
Technical indicators
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| Functional parameters | |||||
| Parameter | Indexes | ||||
| Number of channels | 3 | CH1 and CH2 front-facing,CH3 rear-facing | |||
| Input | CH1 / CH2 | TC / PRT | |||
| CH3 | Electric current | ||||
| Input connector | PRT (front panel) | Lemo EPG.1B.306.HLN 6-pin connector | |||
| PRT (rear panel) | 4mm Low thermal terminal posts | ||||
| TC | Mini thermocouple connector(ASTM E 1684-05) | ||||
| Drive current | SPRT/PRT | 1mA(±0.1%)(automatic reversing) | |||
| Cold junction compensation |
Built-in cold junction compensation CH1 and CH2 are cold-junction compensation for each other Cold-junction compensation temperature can be entered |
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| Cold junction compensation accuracy | ±0.1℃ | ||||
| Intelligent sensors | SPRT/PRT | Support | |||
| Number of sensors managed | 100 pieces | ||||
| Data storage capacity | 8G | ||||
| Convert formulas |
ITS-90 IEC60751(2008), Callendar-van Dusen Steinhart-Hart, B value, polynomial |
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Support for sensors type |
Thermal resistance |
SPRT:PT25、PT100 PRT:PT100、PT1000、PT-X Copper resistance CU50、CU100、CU-X Nickel resistance NI50、NI120、NI1000 |
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| Thermocouple |
Standard thermocouples R、S、B Industrial thermocouples K、N、J、E、T、R、S、B、We3 、We5 |
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| Display screen | 7 inch color touch screen | ||||
| Interface port | USB | Support (USB stick storage data /firmware upgrade) | |||
| Network port | Support | ||||
| RS-232 | 2 ports | ||||
| Power supply |
115V±10% and 230V±15% Switchable 47~63HZ |
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| Power | 25W | ||||
| Temperature and humidity conditions | Storage environment requirements | -10℃ to 50℃，Relative humidity less than 75%RH (non-condensing) | |||
| Operating environment requirements | 15℃ to 30℃，Relative humidity less than 75%RH (non-condensing) | ||||
| Calibration environment requirements | 20℃±1℃，Relative humidity less than 40%RH (non-condensing) | ||||
