# Gas-actuated thermometer with electrical output signal — TGT73.1X0

> Gas-actuated thermometer with integrated electrical output signal (4-20 mA or 0-10 V) for local indication and signal transmission, stainless steel case.

- Catalog code: tgt73
- Model: TGT73.1X0
- Category: Temperature measurement
- Product page: https://avigan.com.ua/wika/en/products/tgt73
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

The gas pressure thermometer (TGT73) displays the process temperature on site and sends via signal transmission to the remote control room. Inform now.

## Applications

- Chemical, petrochemical industry
- Oil and gas industry
- Power engineering, renewable energies
- Machine building, plant and vessel construction

## Special features

- Cost-effective “2 in 1” temperature measurement
- Compact design
- Scale ranges from -200 ... +700 °C [-328 ... +1,292 °F]
- Plug-and-play, thus no transmitter configuration necessary

## Specifications

| Parameter | Value |
|---|---|
| model | TGT73.100 |
| product family | TGT73 |
| short description | Gas-actuated thermometer with integrated electrical output signal (4-20 mA or 0-10 V) for local indication and signal transmission, stainless steel case. |
| subcategory | Gas-actuated thermometer with electrical output |
| certifications | RoHS; EMC; EN 13190; CE |
| explosion protection | Ex ia Zone 1 gas II 2G Ex ia IIC T6/T5/T4 Gb; Ex ia Zone 1 gas Ex ia IIC T6/T5/T4 Gb; Zone 20 dust II 2D Ex ia IIIB T85°C/T95°C/T100°C/T135°C Db; Ex ia IIIB T85°C/T95°C/T100°C/T135°C Db; 4 ... 20 mA(Ex version); Zone 20 dust II 2D Ex ia IIIB T85℃/T95℃/T100℃/T135℃ Db; Zone 20 dust Ex ia IIIB T85℃/T95℃/T100℃/T135℃ Db |
| ambient temp | -40 … 60 °C |
| ip rating | IP65 |
| languages in datasheet | en |
| temperature ranges | -80 … 60 °C; -60 … 40 °C; -40 … 60 °C; -30 … 50 °C; -20 … 80 °C; -20 … 120 °C; -20 … 140 °C; 0 … 60 °C; 0 … 80 °C; 0 … 100 °C; 0 … 120 °C; 0 … 160 °C; 0 … 200 °C; 0 … 250 °C; 0 … 300 °C; 0 … 400 °C; 0 … 500 °C; 0 … 600 °C; 0 … 700 °C; -20 … 60 °C; -200 … 700 °C; 50 … 350 °C; 50 … 450 °C; 100 … 500 °C; 100 … 600 °C |
| sensor type | bimetal |
| sensor class | Class 1 per EN 13190 |
| probe length mm | 200 |
| probe diameter mm | 6 |
| probe material | Stainless steel 316 |
| has thermowell | false |
| process connections | G ½ B; ½ NPT; G ½ female; ½ NPT female; M20 x 1.5; M24 x 1.5 female; G ½B; G ¾B; 1/2NPT; 3/4NPT; M18x1.5; M24x1.5 |
| process temp | -200 … 700 °C |
| output signal | 4-20mA; 0-10V; 4 ... 20 mA, 2-wire, passive, per NAMUR NE43; 4 ... 20 mA (Ex version); 0 ... 10 V, 3-wire; 4...20mA, 2-wire, passive, per NAMUR NE43; 4...20mA; 0...10V, 3-wire |
| power supply | DC 12 ≤ U ≤ 30 V |
| electrical connection | Angular connector incl. strain relief, M20 x 1.5 cable gland, max. 1.5 mm² |
| accuracy class | 0.2 % of full scale value |

## Datasheet tables

| Basic information | 2 |
|---|---|
| Standard | EN 13190 |
| Nominal size in mm[in] | 100 [4"] |
| Window | Laminated safety glass |
| Connection location | ■ Back mount (axial) ■ Lower mount (radial) ■ Back mount, adjustable stem and dial ■ Version with capillary |
| Connection design | → For drawings, see page 7 |
| S | Standard (threaded connection) 1) |
| 1 | Plain stem (without thread) |
| 2 | Male nut |
| 3 | Union nut |
| 4 | Compression fitting (sliding on stem) |
| 5 | Union nut and loose threaded connection |
| 6 | Compression fitting (can be adjusted on either capillary or spiral protective sleeve) |
| 7 | Compression fitting at the case |
| 'Adjustable stem and dial' case version | Swivelling 90° and rotatable 360° |
| Damping, case filling | ■ Without ■ With liquid damping |
| Reverse polarity protection | Yes |
| Material (non-wetted) |  |
| Case, ring | Stainless steel 304 |
| Pointer | Aluminium, black |
| Articulated joint 'adjustable stem and dial' | Stainless steel 304 |
| Dial | Aluminium |

### Measuring element

| 1 | 2 | 3 |
|---|---|---|
| Type of measuring element | Inert gas expansion system |  |
| Working range |  |  |
| Constant loading (1 year) | Measuring range (EN 13190) |  |
| Short time (max. 24 h) | Scale range (EN 13190) |  |
| Capillary |  |  |
| Diameter | 2 mm[0.08 in] |  |
| Spiral protective sleeve | 7 mm[0.28 in] |  |
| Length | Capillary without spiral protective sleeve | Max. 60 m[196.85 in] |
| Capillary with spiral protective sleeve | Max. 40 m[131.23 in] |  |
| Capillary with spiral protective sleeve and PVC coating | Max. 20 m[65.62 in] |  |
| Minimum bending radius | Capillary without spiral protective sleeve | 6 mm[0.24 in] |
| Capillary with spiral protective sleeve | 20 mm[0.79 in] |  |
| Capillary with spiral protective sleeve and PVC coating | 30 mm[1.18 in] |  |
| Material (non-wetted) | Stainless steel 316 |  |
| Mounting options | ■ Surface mounting flange, stainless steel ■ Instrument mounting bracket, aluminium die-casting ■ Panel mounting flange, stainless steel |  |
| Contact bulb |  |  |
| Dimensions | 120 x 22 x 12 mm[4.72 x 0.87 x 0.47 in] |  |
| Mounting types | ■ Mounting on pipes ■ Mounting on tanks |  |
| Material (non-wetted) | Stainless steel 316 |  |

### Accuracy specifications

| Accuracy class | Class 1 per EN 13190 at 23 °C ±10 °C ambient temperature |
|---|---|
| Accuracy of output signal | 0.2 %of full scale value (only electronics) |
| Influence of auxiliary power | ≤ 0.1 %of full scale/10V |
| Influence of load | ≤ 0.1 %of full scale |
| Temperature error (electronics) | < 0.3 %of full scale value/10 K (in overall temperature range) |
| Long-term stability (electronics) | < 0.3 %of full scale/a |
| Resolution | 0.15 %of full scale (10-bit resolution at 360°) |

| Scale range in °C | Measuring range 1) in °C | Scale interval in °C | Error limit in °C |
|---|---|---|---|
| -80 ... +60 | -60 ...+40 | 2 | 2 |
| -60 ... +40 | -50 ...+30 | 1 | 1 |
| -40 ... +60 | -30 ...+50 | 1 | 1 |
| -30 ... +50 | -20 ...+40 | 1 | 1 |
| -20 ... +60 | -10 ...+50 | 1 | 1 |
| -20 ... +80 | -10 ...+70 | 1 | 1 |
| -20 ... +120 | 0 ... 100 | 2 | 3 |
| -20 ... +140 | 0 ... 120 | 2 | 3 |
| 0 ... 60 | 10 ... 50 | 1 | 1 |
| 0 ... 80 | 10 ... 70 | 1 | 1 |
| 0 ... 100 | 10 ... 90 | 1 | 1 |
| 0 ... 120 | 10 ... 110 | 2 | 2 |
| 0 ... 160 | 20 ... 140 | 2 | 2 |
| 0 ... 200 | 20 ... 180 | 2 | 2 |
| 0 ... 250 | 30 ... 220 | 5 | 2.5 |
| 0 ... 300 | 30 ... 270 | 5 | 5 |

| Scale range in °C | Measuring range 1) in °C | Scale interval in °C | Error limit in °C |
|---|---|---|---|
| 0 ... 400 | 50 ... 350 | 5 | 5 |
| 0 ... 500 | 50 ... 450 | 5 | 5 |
| 0 ... 600 | 100 ... 500 | 10 | 10 |
| 0 ... 700 | 100 ... 600 | 10 | 10 |

### Output signal

| 1 | 2 | 3 |
|---|---|---|
| Measuring rate (refresh rate) | > 1/s |  |
| Voltage supply |  |  |
| Auxiliary power U B | 4 ...20mA | DC 12 ≤ U B ≤ 30V |
| 4 ... 20 mA(Ex version) | DC 14 ≤ U B ≤ 30V |  |
| 0 ...10V | DC 15 ≤ U B ≤ 30V |  |
| Permissible residual ripple of auxiliary power | ≤ 10 %ss |  |
| Impedance at voltage output | 0.5Ω |  |
| Load capacity | 2 …100 kΩ |  |
| Warm-up time | ≤ 5 min |  |
| Sampling rate sensor | 600 ms |  |
| Linear error | ≤ 1.0 %of span (terminal method) |  |
| Input signal, angle of rotation | 0 …270 ∢° |  |

### Electrical connection

| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| Connection type | Angular connector (180° rotatable, max. 1.5 mm², cable protection, M20 x 1.5 cable gland, incl. strain relief) |  |  |  |  |  |
| Wire cross-section | Max. 1.5 mm² |  |  |  |  |  |
| Outer cable diameter | 7 ... 13 mm[0.28 ... 0.51 in], see dimensions on page 19 |  |  |  |  |  |
| Pin assignment | Terminal 1 | Terminal 2 | Terminal 3 | Terminal 4 | Terminal 4 | Terminal 6 |
| Variant I | GND | I + | reserved | reserved | reserved | reserved |
| Variant II (Ex version) | GND | I + | reserved | reserved | reserved | reserved |
| Variant III | GND | U B+ | U out | reserved | reserved | reserved |
| Material | PA 6 (polyamide) |  |  |  |  |  |

### Operating conditions

| Ambient temperature range | -40 …+60 °C [-4 ...+140 °F] without/with liquid damping |
|---|---|
| Storage temperature range | -40 ...+60 °C [-40 ...+140 °F] |
| Max. operating pressure at stem | Max. 25 bar [362.59 psi], static |
| Ingress protection (IP code) per IEC/EN 60529 | IP65 |

### Safety-related characteristic values (Ex, variant II)

| Max. auxiliary power U i | DC 30V |
|---|---|
| Max. short-circuit current I i | 100mA |
| Max. power P i | 0.72W |
| Effective internal capacitance C i | 12 nF |
| Effective internal inductance L i | Negligible |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity | European Union |
|  | EMCdirective |  |
|  | RoHS directive |  |

| Logo | Description | 3 | Country |
|---|---|---|---|
|  | EU declaration of conformity | European Union |  |
|  | ATEX directive Hazardous areas |  |  |
|  | - Ex ia Zone | 1 gas II 2G Ex ia IIC T6/T5/T4 Gb |  |
|  | Zone | 20 dust II 2D Ex ia IIIB T85°C/T95°C/T100°C/T135°C |  |
|  | IECEx Hazardous areas | International |  |
|  | - Ex ia Zone Zone | 1 gas Ex ia IIC T6/T5/T4 Gb 20 dust Ex ia IIIB T85°C/T95°C/T100°C/T135°C Db |  |
|  | EAC | Eurasian Economic Community |  |
|  | EMCdirective |  |  |
|  | Hazardous areas |  |  |
| - | MTSCHS Permission for commissioning | Kazakhstan |  |

### Certificates

| Certificates | ■ 2.2 test report ■ 3.1 inspection certificate |
|---|---|
| Calibration | DAkkS calibration certificate |

| Design | F BM 1) | Connection |
|---|---|---|
| S | 30 [1.18] | G½-Male |
| 1 | 13 [0.51] | ∅ 18 |
| 2 | 35 [1.38] | G½-Male |
| 3 | 15 [0.59] | G1/2 - Female |
| 4 | 53 [2.09] | G½-Male |
| 5 | 50 [1.97] | G½-Male |
| 7 | 53 [2.09] | G½-Male |

| Design | F LM 1) | Connection |
|---|---|---|
| S | 30 [1.18] | G½-Male |
| 1 | 13 [0.51] | ∅ 18 |
| 2 | 35 [1.38] | G½-Male |
| 3 | 15 [0.59] | G1/2 - Female |
| 4 | 53 [2.09] | G½-Male |
| 5 | 50 [1.97] | G½-Male |
| 7 | 53 [2.09] | G½-Male |

| Design | F DS | Connection |
|---|---|---|
| S | 17.5 [0.69] | G½-Male |
| 1 | 28 [1.10] | ∅ 18 |
| 2 | 38 [1.50] | G½-Male |
| 3 | 30 [1.18] | G1/2 - Female |
| 4 | 68 [2.68] | G½-Male |
|  | 68 [2.68] | G½-Male |
| 5 | 55 [2.68] | G½-Male |
| 7 | 68 [2.68] | G½-Male |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Process connection | Dimensions in mm[in] |  |  |
| G | i | SW | d 4 |
| G½B | 14 [0.55] | 27 [1.06] | 26 [1.02] |
| G¾B | 16 [0.63] | 32 [1.26] | 32 [1.26] |
| ½NPT | 19 [0.75] | 22 [0.87] | - |
| ¾NPT | 20 [0.79] | 30 [1.18] | - |

| 1 | 2 | 3 |
|---|---|---|
| Process connection | Dimensions in mm[in] |  |
| G | i | SW |
| G½B | 20 [0.79] | 27 [1.06] |
| M18 x 1.5 | 15 [0.59] | 22 [0.89] |

| Process connection | Dimensions in mm[in] |
|---|---|
| Without thread | Ø d 1 |
| - | 18 [0.7] |

| 1 | 2 | 3 |
|---|---|---|
| Process connec- tion | Dimensions in mm[in] |  |
| G | i | SW |
| G½B | 14 [0.55] | 27 [1.06] |
| G¾B | 16 [0.63] | 32 [1.26] |
| M24 x 1.5 | 13.5 [0.53] | 32 [1.26] |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Process connec- tion | Dimensions in mm[in] |  |  |
| G | i | SW | Ø d 4 |
| G½B | 14 [0.55] | 27 [1.06] | 26 [1.02] |
| G¾B | 16 [0.63] | 32 [1.26] | 32 [1.26] |
| M18 x 1.5 | 12 [0.47] | 24 [0.95] | 23 [0.91] |
| ½NPT | 19 [0.75] | 22 [0.87] | - |
| ¾NPT | 20 [0.79] | 30 [1.18] | - |

## Documents

- [ds_tv1710_en_co_5afea8](https://avigan.com.ua/wika/docs/wika/ds_tv1710_en_co.pdf) — PDF, 2414 KB, en

## Configurator

This product has an interactive configurator on its product page.

```
TGT73.100- B-C - - - - -Z ZZ-ZZZZ
```