# Resistance thermometer with digital indicator — TR75

> Resistance thermometer with digital display, battery operation, for insertion, thermowell, or surface mounting.

- Catalog code: tr75
- Model: TR75
- Category: Temperature measurement › Resistance thermometers
- Product page: https://avigan.com.ua/wika/en/products/tr75
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

Model TR75 Resistance thermometer with digital indicator ✓Battery operation ✓High quality ►To the information!

## Applications

- Machine building, plant and vessel construction
- Chemical industry
- Food and beverage industry
- Automotive engineering
- Sanitary, heating and air-conditioning technology

## Special features

- LC display
- Variants with sensors for insertion, mounting into a thermowell or with contact bulb for mounting on a pipe surface
- For all standard thermowell designs
- Measuring range -40 ... +450 °C [-40 ... +842 °F]
- With automatic measuring range changeover (Autorange)

## Specifications

| Parameter | Value |
|---|---|
| model | TR75 |
| product family | TR |
| short description | Resistance thermometer with digital display, battery operation, for insertion, thermowell, or surface mounting. |
| subcategory | Resistance thermometer with digital display |
| certifications | CE; RoHS; EAC; KazInMetr; MTSCHS; BelGIM; UkrSEPRO; Uzstandard |
| ambient temp | -20 … 60 °C |
| ip rating | IP65 |
| weight kg | 1 |
| languages in datasheet | en |
| temperature ranges | -40 … 199 °C; 200 … 450 °C |
| sensor type | Pt1000 |
| probe material | Stainless steel |
| has thermowell | true |
| process connections | M14 x 1.5; M18 x 1.5; G ¼ B; G ½ B; ½ NPT; Compression fitting; Union nut G ½ B; G¼B; G½B; ½NPT; G1/4B; G1/2B; M14x1.5; M18x1.5; 1/2NPT |
| process temp | -40 … 450 °C |
| power supply | DC 3.6 V lithium battery (AA) |
| electrical connection | Silicone cable, shielded, EMC gland |
| accuracy class | 0.5 % of full range ±1 digit |

## Datasheet tables

### Resistance thermometer with digital display, model TR75

| Measuring ranges | ■ -40.0 ... +199.9 °C ■ +200 ...+450 °C with automatic measuring range changeover (autorange) |
|---|---|
| Display |  |
| Principle | 3 ½- digit LCD 7-segment display 21 mmhigh |
| Resolution | 0.1 K up to 199.9 °C 1 K from 200 °C |
| Accuracy | 0.5 %of the respective full-range value ±1 digit |
| Sensor | Pt1000 |
| Instrument variants |  |
| DiwiTherm ® with probe for insertion | Probe with connection cable Max. working temperature 200 °C Case for panel mounting, with panel mounting flange |
| DiwiTherm ® for mounting in a thermowell | Spring-loaded probe Screwed plug to thermowell Case with neck tube Option: Adjustable stem and dial (rotatable through 360° and tiltable through 90°) |
| DiwiTherm ® for mounting on a pipe surface | Contact bulb for fixing with tightening strap Max. working temperature 200 °C Case with neck tube Option: ■ Adjustable stem and dial (rotatable through 360° and tiltable through 90°) ■ Case for panel mounting, with connection cable and panel mounting flange |
| Power supply U B | DC 3.6V from 3.6V lithium battery, AA size (Mignon), included in delivery 1) |
| Operating time | min. 10 years |
| Special features | If the battery drops below 2.7 V, the display switches into 'LO'mode |

### Case

| Nominal size | 100 |
|---|---|
| Material | Stainless steel |
| Bezel ring | Bayonet ring |
| Bezel ring | Instrument glass |
| Ingress protection | IP65 per IEC/EN 60529 |
| Weight in kg | approx. 1 kg (actual weight depends on design and possibly mounted thermowell) |

### Ambient conditions

| Ambient and storage temperature | -20 ...+60 °C |
|---|---|
| Vibration resistance (at sensor) | 10 ... 500 Hz, 5 g, IEC/EN 60068-2-6 |
| Shock resistance (at sensor) | IEC/EN 60068-2-7 |

| Specifications | 2 |
|---|---|
| Material |  |
| Probe | Stainless steel |
| Compression fitting | Stainless steel |
| Probe diameter | ■ 2mm ■ 3mm ■ 6mm ■ 8mm Note: approx. 1 mmsmaller than the bore diameter of the thermometer or the blind bore |
| Bore diameter | Bore diameter of the thermowell or the blind bore approx. 1 mm>probe diameter For temperature measurement in a solid body: Diameter of the bore max. 1 mm>probe diameter |
| Probe length | ■ 6 mm(with standard probe length 50, 100 or 150 mm) ■ 8 mm(with standard probe length 100 or 150 mm) Special lengths are possible |
| Process connection | Compression fitting (simple, on-site adjustment to the required insertion length) |
| Compression fitting | ■ G¼Bmale thread (not with Ø8mmprobe) ■ G½Bmale thread ■ Without process connection |
| Cable | Silicone, shielded Application range -40 ...+200 °C with EMCable gland Cable length to customer specification |

| Criterion | Dimension T 1) inmm | Ø transition sleeve inmm |
|---|---|---|
| Probe Ø = transition sleeve Ø | n/a | Identical to probe |
| Ø6mm with crimped transition sleeve | 45 | 7 |
| Ø6mm with crimped transition sleeve 2) | 45 | 8 |
| Ø8mm with crimped transition sleeve | 45 | 10 |

### Specifications

| Material | 2 |
|---|---|
| Probe | Stainless steel |
| Process connection | Stainless steel |
| Neck tube | Stainless steel |
| Probe | Vibration-resistant, sheathed cable (MI cable) |
| Probe diameter | approx. 1 mmsmaller than the bore diameter of the thermowell |
| Process connection |  |
| Screwed plug | ■ G½B ■ M14 x 1.5 ■ M18 x 1.5 ■ ½NPT |
| Union nut | G½B |
| Male nut | G½B |
| Neck tube diameter | 12mm |
| Neck length | 150mm others on request (minimum neck length: 30 mm) |
| Insertion length | Insertion length = thermowell length for bottom thicknesses at ≤ 5.5mm In order to ensure that the probe is firmly pressed down onto the bottom of the thermowell, the probe must be spring-loaded (spring travel:max 10 mm). |

### Specifications

| 1 | 2 |
|---|---|
| Material |  |
| Contact bulb | Stainless steel |
| Neck tube | Stainless steel |
| Mounting tube | 120mm |
| Fixing | With a tightening strap (not included in delivery) |
| Cable | Silicone, shielded Application range -40 ...+200 °C with EMCable gland Cable length to customer specification Note: The specified accuracy can only be guaranteed up to a maximum cable length of 15 m.With longer cable lengths, the accuracy can deviate sharply. |
| Neck tube diameter | 12mm |
| Neck length | 150mm others on request (minimum neck length: 100 mm) |
| Application range neck tube | -40 ...+200 °C |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity ■ EMCdirective EN 61326 emission (group 1, class B) and interference immunity (industrial application) ■ RoHS directive | European Union |
|  | EAC (option) EMCdirective | Eurasian Economic Community |
|  | KazInMetr (option) Metrology, measurement technology | Kazakhstan |
| - | MTSCHS (option) Permission for commissioning | Kazakhstan |
|  | BelGIM (option) Metrology, measurement technology | Belarus |
|  | UkrSEPRO (option) Metrology, measurement technology | Ukraine |
|  | Uzstandard (option) | Uzbekistan |

| Certification type | Measuring accuracy | Material certificate |
|---|---|---|
| 2.2 test report | x | x |
| 3.1 inspection certificate | x | - |
| DKD/DAkkS calibration certificate | x | - |

## Documents

- [ds_te6075_en_co_9faf42](https://avigan.com.ua/wika/docs/wika/ds_te6075_en_co.pdf) — PDF, 572 KB, en

## Configurator

This product has an interactive configurator on its product page.

```
TR75-1-ZZZ-M- - - - - - R- - -ZZ
```