Temperature meter TM-12m multichannel precision
Temperature meter TM-12m multichannel precision Designed to measure temperature by contact method using temperature sensors - resistance thermal converters (TC) or thermoelectric converters (TC) taking into account individual static characteristics (ISCH) or nominal static characteristics (NSCH) of the conversion. The temperature meter “Thermometer TM-12m” is produced to replace the well-known and well-proven temperature meter “Thermometer TM-12” in many industries and metrological control laboratories of Rostekhregulirovaniya departments. The temperature meter is used: for accurately measuring the temperature of objects; for measuring the characteristics of temperature fields, during certification of climate control equipment, incl. manufactured thermostats AT-1 and AT-2; to convert vehicle resistances into temperature, using NSKh in accordance with GOST 6651 during their calibration and calibration; to convert the thermoelectromotive force (TEMF) of the TP into temperature, using NSKh in accordance with GOST R 8.585 during their calibration and calibration. Application: for temperature control and determination of the characteristics of temperature fields of objects and processes in research institutes, in medical, sanitary-epidemiological and environmental institutions, in food industry enterprises, mechanical engineering, thermal power engineering and other industries; when performing work on certification of climatic testing equipment, calibration of resistance thermometers in metrological control laboratories of Rostekhregulirovaniya departments and other enterprises; FEATURES The temperature meter has 12 channels for measuring temperature. The temperature measurement results of all 12 channels are tied to one point in time and are simultaneously displayed on the display screen. All measurement results are sent to an external device via the RS-232C serial interface or the USB universal serial interface (USB 1.1 standard). When measuring temperature taking into account the ISH TS: (modifications “Thermal meter TM-12m.2”, “Thermal meter TM-12m.4”, “Thermal meter TM-12m.5”) Platinum TCs in accordance with GOST 6651 with a nominal resistance of 100 Ohm are used as primary temperature transducers connected to the measuring channels. 12 TCs are included in the delivery set of each temperature meter. ISH for each vehicle are determined during calibration at the manufacturer and are stored in the memory of the temperature meter. When measuring temperature taking into account the NSH of the vehicle: (modifications “Thermal meter TM-12m.4”, “Thermal meter TM-12m.5”) The temperature meter memory stores the NSH of 9 types of vehicles in accordance with GOST 6651: 50P, 100P, 500P, 50M, 100M, 500M, Pt50, Pt100, Pt500. When measuring temperature taking into account the ISH TP: (modification “Thermal meter TM-12m.5”) Temperature measurements are possible using three ISH TP, which are formed by the user himself. When measuring temperature taking into account the NSKh of TP: (modification “Thermal meter TM-12m.5”) The NSKh of 8 types of TP in accordance with GOST R 8.585 are stored in the memory of the temperature meter: M, K, L, J, T, S, N, B. When working with TP, automatic compensation of the temperature of the free ends is carried out, the compensation TS is located in close proximity to the connection point of the TP. The temperature meter allows you to collect a specified number of measurement results at a given time interval (monitoring) and save these results in the non-volatile memory of the device. The memory allocated for monitoring data allows you to record at least 40,000 measurement results for each of 12 channels. Monitoring data is saved when the temperature meter is turned off and can later be transferred to an external device. The device provides temperature measurement at objects located at a distance of up to 100 m. The temperature meter allows you to measure active resistance and voltage (TEMF). The graphic display allows you to provide information to the user clearly, conveniently and in a larger volume during the work process. EXECUTION “Thermal meter TM-12m” is made in the form of a desktop portable device. On the front panel of the plastic housing of the device there are: - graphic display; - keyboard (5 keys); - network indicator light. On the rear panel of the case there are: - NETWORK key; - network instrument plug with a fuse; - 12 connectors for connecting a vehicle with channel numbers indicated; - RS-232C interface connector; - USB interface connector; - connector for connecting a communication cable with the switch (for modifications “Thermal meter TM-12m.4” and “Thermal meter TM-12m.5”). On one side of the switch housing there are: - a connector for communication with the device; - a connector for communication with the second switch. On the opposite side there are: - 6 connectors for connecting a vehicle with the designation of channel numbers (for the modification "Thermal meter TM-12m.4"); - 6 connectors for connecting a vehicle and 6 connectors for connecting a TC with the designation of channel numbers (for the modification "Thermal meter TM-12m.5"). The switch is made in a plastic rectangular case. DIAGRAM for connecting switches to a temperature meter (for modifications “Thermal meter TM-12m.4” and “Thermal meter TM-12m.5”) The device is available in three modifications: 1) “Thermal meter TM-12m.2” – a modification in which 12 vehicles are connected directly to the device and the temperature is measured using the ISH of the vehicle. Designed to accurately measure the temperature of objects. 2) “Thermal meter TM-12m.4” – a modification in which 12 vehicles are connected either directly to the device or through 2 switches, which can be removed from the device at a distance of up to 100 meters. Each switch can connect from 1 to 6 vehicles. Temperature measurement is carried out using both ISH TS and NSKH TS according to GOST 6651. It is intended both for accurate measurement of the temperature of objects, and for converting vehicle resistances into temperature, using NSKh in accordance with GOST 6651 during their calibration and calibration. 3) “Thermal meter TM-12m.5” – a modification in which temperature measurement can be carried out both using a vehicle and a TP. When using a vehicle: 12 vehicles are connected either directly to the device or through 2 switches, which can be removed from the device at a distance of up to 100 meters. From 1 to 6 temperature sensors can be connected to each switch. Temperature measurement is carried out using both ISH TS and NSKH TS in accordance with GOST 6651. When using TP: TP are connected only to switches that can be removed from the device at a distance of up to 100 meters. Temperature measurement is carried out using both ISH TP and NSKH TP in accordance with GOST R 8.585. It is intended for accurate measurement of the temperature of objects, for conversion to the temperature of vehicle resistances, using NSKH in accordance with GOST 6651 during their calibration, calibration, for conversion into the temperature of TEDS TP according to GOST R 8.585 during their calibration, calibration. The set of documentation for the modifications “Thermal meter TM-12m.4” and “Thermal meter TM-12m.5” includes methodological instructions “Calculation of the uncertainty of verification (calibration) of temperature sensors using multi-channel precision temperature meters “Thermal meter TM-12” and “Thermal meter TM-12m”. If it is necessary to level the temperature field and reduce temperature unevenness in the locations of the reference thermometer and resistance thermometers during verification and calibration, you should use the metal leveling block BV-1, designed specifically for the vehicles that are equipped with the “TM-12m Thermometer”. Production upon special order. DELIVERY SET (depending on the device modification) Temperature meter TM-12m with initial verification (modification of the device is specified when ordering) TM-12m.2 TM-12m.4 TM-12m.5 Resistance thermometers with NSKH 100P or Pt100 in accordance with GOST 6651 – 12 pieces (the type and design of the vehicle are specified when ordering) + + + Set of operational documentation (passport, manual) + + + Verification method + + + Cable for communication with an external device via RS-232C interface, 1.8 m long or USB interface, 1.8 m long (available upon request) + + + CD with additional software in accordance with FR.1.32.2011.10456, methodology for measuring the temperature of remote objects FR.1.32.2011.10456 and user manual. + + + Switch – 2 pieces NO + + Communication cable between the device and the switch – 2 pieces, required for delivery (cable length is specified when ordering, the total length of two cables does not exceed 100 m) NO + + Blank connector – 1 piece NO + + Terminal block – 12 pieces NO NO + Manba: https://www.nv-lab.ru/catalog_info.php?ID=10765
- Parameter: Value
- Number of measurement channels: 12
- Temperature measurement range, °C:
- - for modification “TM-12m.2”,
- - for modifications “TM-12m.4” and “TM-12m.5”:
- using a vehicle according to the measurement method FR.1.32.2013.14806
- using the vehicles included in the delivery package
- - for modification “TM-12m.5” using TP: -50 ... +200
- -145 … +660
- -50 … +200
- -270 … +1820
- TEMF measurement range, mV: -10 … +75
- Resistance measurement range, Ohm: 40 … 180 and 400 … 900
- Resolution when displaying measurement results:
- - temperatures using TS, °C;
- - temperatures using TP, °C;
- - resistance of the vehicle, Ohm;
- - TEDS TP, mV: 0.01;
- 0.1;
- 0.001;
- 0.001
- Continuous operation time, h, not less: 144
- The number of measurement results stored in the non-volatile memory of the device in monitoring mode for each channel is not less than: 40000
- Overall dimensions (W × D × H), mm, no more: 250 × 280 × 115
- Device weight, kg, no more: 3
- Electrical power consumption, VA, no more than: 2.5
- Power supply from a single-phase alternating current network (voltage, V / frequency, Hz): 220;
- 50±1