Миниатюрный резистивный термометр
Описание
Сопротивленческие термометры этих серий применяются как универсальные термометры для измерения температуры жидких и газообразных сред в диапазоне -50 ... +250 °C [-58 ... +482 °F]. Приборы имеют искробезопасное исполнение и пригодны для применения во взрывоопасных зонах.
В зависимости от исполнения приборы могут применяться для давлений до 140 bar [2,030 psi] при диаметре чувствительного элемента 3 mm [0.12 in] и до 270 bar [3,916 psi] при диаметре чувствительного элемента 6 mm [0.24 in]. Все электрические компоненты защищены от воздействия влажности (IP67 или IP69K) и рассчитаны на устойчивость к вибрациям (20 g, в зависимости от исполнения).
Сопротивленческий термометр доступен с непосредственным выходным сигналом от датчика или со встроенным преобразователем, который можно индивидуально настроить с помощью программного обеспечения для конфигурации WIKAsoft-TT PC. Диапазон измерений, демпфирование, сигнализация ошибки в соответствии с NAMUR NE 043 и TAG no. могут быть настроены.
для получения дополнительных допусков см. стр. 8
Особенности
- Искробезопасное исполнение Ex i, очень компактная конструкция, высокая виброустойчивость и быстрое время отклика
- С прямым выходом датчика (Pt100, Pt1000 по 2-, 3- или 4-проводной схеме) или встроенным преобразователем с выходным сигналом 4 ... 20 мА
- Интегрированный преобразователь с индивидуальной параметризацией через бесплатное ПО для ПК WIKAsoft-TT
- Чувствительный элемент класса точности A по IEC 60751
Вопросы и ответы
Какой диапазон температур измеряет модель TR34?
Диапазон измерений составляет −50 … +250 °C; доступны также исполнения с диапазонами −30 … +150 °C и −20 … +125 °C.
Какая точность у прибора?
Чувствительный элемент имеет класс точности A по IEC 60751; встроенный преобразователь обеспечивает точность ±0,25 K. Доступны также элементы класса B.
Какие варианты присоединения к процессу предусмотрены?
Резьбовые соединения G¼B, G⅜B, G½B, ¼NPT, ½NPT, M12 x 1.5, M20 x 1.5 и 7/16-20 UNF-2A.
Подходит ли TR34 для взрывоопасных зон?
Да, прибор выпускается в искробезопасном исполнении Ex i и предназначен для применения во взрывоопасных зонах.
Какой выходной сигнал может иметь прибор?
Либо прямой сигнал от датчика Pt100/Pt1000 в 2-, 3- или 4-проводной схеме, либо сигнал 4 … 20 mA от встроенного преобразователя с поддержкой HART.
Можно ли настроить встроенный преобразователь?
Да, преобразователь индивидуально параметризуется бесплатным программным обеспечением WIKAsoft-TT PC: настраиваются диапазон измерений, демпфирование, сигнализация ошибки по NAMUR NE 043 и TAG no.
Чем TR34 отличается от других термометров сопротивления?
Это миниатюрный прибор диаметром зонда 3,0 mm без защитной гильзы, с очень компактной конструкцией, высокой виброустойчивостью и быстрым временем отклика, в отличие от крупногабаритных промышленных термометров с гильзами.
Какое электрическое подключение используется?
Круглый разъём M12 x 1 на 4 контакта; питание — DC 10 ... 30V.
| Модель | TR34 |
| Подтип | Resistance thermometer with integrated transmitter or direct output |
| Диапазон температуры | −50…+250 °C · −30…+150 °C · −20…+125 °C |
| Класс точности | ±0.25 K (transmitter), Class A (sensor) |
| Технологическое присоединение | G¼BG⅜BG½B¼NPT½NPTM12 x 1.5M20 x 1.57/16-20 UNF-2A |
| Темп. процесса | −50…+250 °C |
| Выходной сигнал | 4-20mA · HART |
| Питание | DC 10 ... 30V |
| Электр. соединение | M12 x 1 circular connector (4-pin) |
| Материал зонда | Stainless steel 1.4571 |
| Темп. окружающей среды | −40…+85 °C |
| Степень защиты IP | IP67 |
| Сертификаты | CEEACRoHSREACH |
| Взрывозащита | Ex i |
| Тип сенсора | Pt100, Pt1000 |
| Класс сенсора | A, B |
| Диаметр зонда | 3 mm |
| Защитная гильза | Нет |
| Языки datasheet | EN, DE |
| Type of measuring element | ||
|---|---|---|
| Version 4 ... 20 mA(modelTR34-x-TT) | Pt1000 (measuring current < 0.3 mA;self-heating can be ignored) | |
| Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx) | ■ Pt100 (measuring current: 0.1 ... 1.0 mA) ■ Pt1000 (measuring current: 0.1 ... 0.3 mA) | |
| → For detailed specifications for Pt sensors, see Technical information IN 00.17 at www.wika.com. | ||
| Connection method | ||
| Version 4 ... 20 mA(modelTR34-x-TT) | 2-wire | |
| Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx) | 2-wire | The lead resistance is recorded as an error in the measurement |
| 3-wire | With a cable length of 30 mor longer, measuring deviations can occur | |
| 4-wire | The lead resistance can be ignored | |
| Tolerance value of the measuring element 1) per IEC 60751 | ||
| Version 4 ... 20 mA(modelTR34-x-TT) | Class A | |
| Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx) | ■ Class A ■ Class B at | 2-wire |
| Tolerance value of the measuring element 1) per IEC 60751 | Class A |
|---|---|
| Measuring deviation of the transmitter per IEC 62828 | ±0.25 K |
| Total measuring deviation per IEC 62828 | Measuring deviation of the measuring element + transmitter |
| Influence of ambient temperature | 0.1 %of the set measuring span / 10 KT a |
| Influence of supply voltage | ±0.025 %/V(depending on the supply voltage U B ) |
| Influence of load | ±0.05 %/ 100Ω |
| Linearisation | Linear to temperature per IEC 60751 |
| Output error | ±0.1% 2) |
| Reference conditions | |
| Ambient temperatureT a ref | 23 °C |
| Supply voltage U B ref | DC 12V |
| Temperature range | ||
|---|---|---|
| Version 4 ... 20 mA(modelTR34-x-TT) | Without neck tube -30 ...+150 °C [-22 ...+302 °F] With neck tube -30 ...+250 °C [-22 ...+482 °F] 1) Version with FKM O-ring: -20 ...+125 °C [-4 ...+257 °F] | |
| Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx) | Class A | Without neck tube -30 ...+150 °C [-22 ...+302 °F] With neck tube -30 ...+250 °C [-22 ...+482 °F] Version with FKM O-ring: -20 ...+125 °C [-4 ...+257 °F] |
| Class B | Without neck tube -50 ...+150 °C [-58 ...+302 °F] With neck tube -50 ...+250 °C [-58 ...+482 °F] | |
| Unit (4 ... 20 mA version) | Configurable °C, °F, K | |
| Temperature at the connector (Pt100, Pt1000 version) | Max. 85 °C [185 °F] | |
| Measuring span (4 ... 20 mA version) | Minimum 20 K, maximum 300 K |
| Process connection | |
|---|---|
| Type of process connection | ■ G¼B ■ G⅜B ■ G½B ■ ¼NPT ■ ½NPT ■ M12 x 1.5 ■ M20 x 1.5 ■ 7/16-20 UNF-2A |
| Protection tube | |
| Protection tube diameter | ■ 3 mm[0.12 in] ■ 6 mm[0.24 in] |
| Insertion length U 1 | ■ 50 mm[1.97 in] ■ 75 mm[2.95 in] 1) ■ 100 mm[3.94 in] 1) ■ 120 mm[4.72 in] 1) ■ 150 mm[5.91 in] 1) ■ 200 mm[7.87 in] 1) ■ 250 mm[9.84 in] 1) ■ 300 mm[11.81 in] 1) ■ 350 mm[13.78 in] 1) ■ 400 mm[15.75 in] 1) Other insertion lengths on |
| request | |
| Material (wetted) | Stainless steel 1.4571 |
Смотреть все (20)
| Output signal (4 ... 20 mA version) | |
|---|---|
| Analogue output | 4 ... 20 mA, 2-wire |
| Load R A | R A ≤ (U B - 10 V) / 23 mAwith R A in Ωand U B inV The permissible load depends on the loop supply voltage. For communication with the instrument with programming unit PU-548, a max. load of 350 Ωis admissible. |
| Load diagram | Load R A inΩ Voltage U B inV 0 10 24 30 833 583 |
| Factory configuration | |
| Measuring range | Measuring range 0 ... 150 °C [32 ... 302 °F] Other measuring ranges are adjustable |
| Current values for error signalling | Configurable in accordance with NAMUR NE 043 downscale ≤ 3.6mA upscale ≥ 21.0mA |
| Current value for sensor short-circuit | Not configurable in accordance with NAMUR NE 043 downscale ≤ 3.6mA |
| Communication | |
| Info data | TAG no., description and user message can be stored in transmitter |
| Configuration and calibration data | Permanently stored |
| Configuration software | WIKAsoft-TT → Configuration software (multilingual) as a download from www.wika.com |
| Voltage supply | |
| Supply voltage U B | DC 10 ...30V |
| Supply voltage input | Protected against reverse polarity |
| Permissible residual ripple of supply voltage | 10 %generated by U B < 3 %ripple of the output current |
| Time response | |
| Switch-on delay, electrical | Max. 4 s (time before the first measured value) |
| Warm-up time | After approx. 4 minutes, the instrument will function to the specifications (accuracy) given in the data sheet. |
| Sensor current | < 0.3 mA(self-heating can be ignored) |
| Connection type | M12 x 1 circular connector (4-pin) |
|---|---|
| Material | Stainless steel 1.4571 |
| Pin | Signal | Description |
|---|---|---|
| 1 | L+ | 10 ...30V |
| 2 | VQ | not connected |
| 3 | L- | 0V |
| 4 | C | not connected |
| Operating conditions | |
|---|---|
| Ambient temperature range | |
| Version 4 ... 20 mA(modelTR34-x-TT) | -40 ...+85 °C [-40 ...+185 °F] Version with FKM O-ring: -20 °C [-4 °F] |
| Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx) | -50 ...+85 °C [-58 ...+185 °F] Version with FKM O-ring: -20 °C [-4 °F] |
| Storage temperature range | -40 ...+85 °C [-40 ...+185 °F] Version with FKM O-ring: -20 °C [-4 °F] |
| Climate class per IEC 60654-1 | |
| Version 4 ... 20 mA(modelTR34-x-TT) | Cx (-40 ...+85 °C [-40 ...+185 °F], 5 ... 95 %r.h.) Version with FKM O-ring: -20 °C [-4 °F] |
| Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx) | Cx (-50 ...+85 °C [-58 ...+185 °F], 5 ... 95 %r.h.) Version with FKM O-ring: -20 °C [-4 °F] |
| Maximum permissible humidity, condensation | 100 %r.h., condensation allowed |
| Maximum operating pressure 1) 2) | |
| With sensor diameter 3 mm[0.12 in] | 140 bar [2,030 psi] |
| With sensor diameter 6 mm[0.24 in] | 270 bar [3,916 psi] |
| Salt fog | IEC 60068-2-11 |
| Vibration resistance per IEC 60751 | 10 ... 2,000 Hz, 20 g 1) |
| Shock resistance per IEC 60068-2-27 | 50 g, 6 ms, 3 axes, 3 directions, three times per direction |
| Ingress protection (IP code) | |
| Case with connected connector | ■ IP67 per IEC/EN 60529 ■ IP69 per IEC/EN 60529 ■ IP69K per ISO 20653 |
| The stated ingress protection only applies when plugged in using line connectors that have the appropriate ingress protection. | |
| Coupler connector, not connected | IP67 per IEC/EN 60529 |
| Weight | Approx. 0.2 ... 0.7 kg [0.44 ... 1.54 lbs] - depending on version |
| Material | Stainless steel |
| Hazardous gas atmosphere | Temperature class | Ambient temperature range (T a ) | Maximum surface temperature (T max ) at the tip of the probe or protection tube |
|---|---|---|---|
| II 1G Ex ia IIC T1 - T6 Ga II 1/2G Ex ia IIC T1 - T6 Ga/Gb II 2G Ex ia IIC T1 - T6 Gb | T6 | -40 ...+45 °C | T M (medium temperature) + self-heating (15 K) Pay attention to the special conditions for safe |
| T5 | -40 ...+60 °C | use. | |
| T4 | -40 ...+85 °C | ||
| T3 | -40 ...+85 °C | ||
| T2 | -40 ...+85 °C | ||
| T1 | -40 ...+85 °C |
| Hazardous dust/air atmospheres | Power P i | Ambient temperature range (T a ) | Maximum surface temperature (T max ) at the tip of the probe or protection tube |
|---|---|---|---|
| II 1D Ex ia IIIC T135 °C Da II 1/2D Ex ia IIIC T135 °C Da/Db II 2D Ex ia IIIC T135 °C Db | 750mW 650mW 550mW | -40 ...+40 °C -40 ...+70 °C -40 ...+85 °C | T M (medium temperature) + self-heating (15 K) Pay attention to the special conditions for safe use. |
| Parameters | Hazardous gas atmosphere | Hazardous dust/air atmospheres |
|---|---|---|
| Terminals | + / - | + / - |
| Voltage U i | DC 30V | DC 30V |
| Current l i | 120mA | 120mA |
| Power P i | 800mW | 750/650/550mW |
| Effective internal capacitance C i | 29.7 nF | 29.7 nF |
| Effective internal inductance L i | Negligible | Negligible |
| Maximum self-heating at the probe or protection tube tip | 15 K | 15 K |
| Marking | Temperature class | Ambient temperature range (T a ) | Maximum surface temperature (T max ) at the tip of the probe or protection tube |
|---|---|---|---|
| II 1G Ex ia IIC T1 - T6 Ga II 1/2G Ex ia IIC T1 - T6 Ga/Gb II 2G Ex ia IIC T1 - T6 Gb | T6 | -50 ...+80 °C -50 ...+85 °C | T M (medium temperature) + self-heating Pay attention to the special conditions for safe use. |
| T5 | |||
| T4 | -50 ...+85 °C | ||
| T3 | -50 ...+85 °C | ||
| T2 | -50 ...+85 °C | ||
| T1 | -50 ...+85 °C |
| Marking | Power P i | Ambient temperature range (T a ) | Maximum surface temperature (T max ) at the tip of the probe or protection tube |
|---|---|---|---|
| II 1D Ex ia IIICT135 °C Da II 1/2D Ex ia IIIC T135 °C Da/Db II 2D Ex ia IIIC T135 °C Db | 750mW 650mW 550mW | -50 ...+40 °C -50 ...+70 °C -50 ...+85 °C | T M (medium temperature) + self-heating Pay attention to the special conditions for safe use. |
| Parameters | Gas applications | Dust applications |
|---|---|---|
| Terminals | 1 - 4 | 1 - 4 |
| Voltage U i | DC 30V | DC 30V |
| Current l i | 550mA | 250mA |
| Power P i | 1,500mW | 750/650/550mW |
| Effective internal capacitance C i | Negligible | Negligible |
| Effective internal inductance L i | Negligible | Negligible |
| Maximum self-heating at the probe or protection tube tip | (R th ) = 335 K/W | (R th ) = 335 K/W |
| Logo | Description | Region |
|---|---|---|
| EU declaration of | conformity | European Union |
| EMCdirective 1) EN 61326 emission (group 1, | class B) and immunity (industrial application) | |
| ATEX - Ex i | directive Hazardous areas Zone 0 gas II 1G Ex ia IIC T1 ...T6 Ga Zone 1 mounting to zone 0 gas II 1/2G Ex ia IIC T1 ...T6 Ga/Gb |
| Logo | Description | Region | |
|---|---|---|---|
| IECEx - in combination with ATEX Hazardous areas | International | ||
| CSA | USA and Canada | ||
| Safety (e.g. electr. safety, overpressure, ...) | |||
| Hazardous areas - Ex i (for Canada) Division Division Division Division Zone Zone Zone Zone - Ex i (for USA) Division Division Division Division Zone Zone Zone | CL I, DIV 1, GP A, B, C, D, T1 ...T6 CL I, DIV 2, GP A, B, C, D, T1 ...T6 CL II / III, DIV 1, GP E, F, G, T135 °C CL II / III, DIV 2, GP E, F, G, T135 °C Ex ia IICT1…T6 Ga Ex ia IICT1…T6Gb Ex ia IIIC T135 °C Da Ex ia IIIC T135 °C Db CL I, DIV 1, GP A, B, C, D, T1 ...T6 CL I, DIV 2, GP A, B, C, D, T1 ...T6 CL II / III, DIV 1, GP E, F, G, T135 °C CL II / III, DIV 2, GP E, F, G, T135 °C CL I, zone 0, IIC AEX ia T1 ...T6 Ga CL I, zone 1, IIC AEX ia T1 ...T6 Gb CL II, zone 20, IIIC AEX ia T135 °C Da | ||
| EAC | Eurasian Economic Community | ||
| EMCdirective 1) | |||
| Hazardous areas - Ex i Zone 0 gas 0 Ex ia IICT6…T1GaX Zone 1 gas 1 Ex ia IICT6…T1GbX Zone 20 dust Ex ia IIIC 135 °C Da X Zone 21 dust Ex ia IIIC 135 °C Db X |
| Logo | Description | Region |
|---|---|---|
| Ex Ukraine Hazardous areas - Ex i Zone 1 gas Ex ia IIC T1 ...T6 Gb Zone 0 gas Ex ia IIC T3 ...T6 Ga | Ukraine | |
| CCC 1) Hazardous areas - Ex i Zone 1 gas Ex ia IIC T3 ...T6 Gb Zone 1 mounting to zone 0 gas Ex ia IIC T3 ...T6 Ga/Gb - Ex n Zone 2 gas Ex nA IIC T1 ...T6 | China | |
| DNOP - MakNII Mining | Ukraine | |
| PAC Russia Metrology, measurement technology | Russia | |
| PAC Kazakhstan Metrology, measurement technology | Kazakhstan | |
| - | MChS Permission for commissioning | Kazakhstan |
| PAC Belarus Metrology, measurement technology | Belarus | |
| - | PAC Ukraine Metrology, measurement technology | Ukraine |
| PAC Uzbekistan Metrology, measurement technology | Uzbekistan |
| Certification type | Measurement accuracy | Material certificate |
|---|---|---|
| 2.2 test report | x | x |
| 3.1 inspection certificate | x | x |
| DAkkS calibration certificate | x | - |
| Model | Description | Order no. | |
|---|---|---|---|
| Programming unit Model PU-548 | ■ Easy to use ■ LED status display ■ Compact design ■ No further voltage supply needed, neither for the programming unit nor for the transmitter | 14231581 | |
| Adapter cable | (replaces programming unit model PU-448) Adapter cable for the connection of a modelTR34 resistance thermometer to the model PU-548 programming unit | 14003193 | |
| M12 x 1 transmitter adapter to DIN EN 175301-803 angular connector (yellow female connector element) | Adapter for the connection of a resistance thermometer with a DIN EN 175301-803 angular connector form A with a 4 ...20mA output signal → see data sheet AC 80.17 Case: PA Ambient temperature: -40 ...+115 °C [-40 ...+239 °F] Union nut: Zinc die-cast Contacts: Copper-zinc alloy, tin-plated Dielectric strength: 500V Ingress protection: IP65 4 ...20mA M12 x 1 connector Angular connector | 14069503 | |
| M12 x 1 Pt adapter to DIN EN 175301-803 angular connector (black female connector element) | Adapter for the connection of the resistance thermometer with a DIN EN 175301-803 form A angular connector with direct resistance output signal → see data sheet AC 80.17 Case: PA Ambient temperature: -40 ...+115 °C [-40 ...+239 °F] Union nut: Zinc die-cast Contacts: Copper-zinc alloy, tin-plated Dielectric strength: 500V 4 ...20mA | 14061115 | |
| Angular connector | Per DIN EN 175301-803 form A | 11427567 | |
| Sealing for angular connector | For use with angular connector DIN EN 175301-803-A EPDM, brown | 11437902 |
| Model | Description | Order no. | ||
|---|---|---|---|---|
| - | M12 connection cable | Cable socket straight, 4-pin, ingress protection IP67 Temperature range -20 ...+80 °C [-4 ...+176 °F] | Cable length2m [6.56 ft] | 14086880 |
| Cable length5m [16.40 ft] | 14086883 | |||
| Angled socket, 4-pin, ingress protection IP67 Temperature range -20 ...+80 °C [-4 ...+176 °F] | Cable length2m [6.56 ft] | 14086889 | ||
| Cable length5m [16.40 ft] | 14086891 | |||
| - | M12 connector | Female angled, 4-pin, ingress protection IP67 Screw connection for conductor cross-section 0.25…0.75mm² [24…18AWG] Cable gland Pg7, outside diameter of cable 4 …6mm[0.16 Temperature range -40 ...+80 °C [-40 ...+176 °F] | ... 0.24 in] | 14136815 |
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