# Multi-functional precision thermometer — CTR4000

> Multi-functional precision thermometer with high accuracy for laboratory and industrial temperature measurements and calibration applications, supporting resistance thermometers, thermocouples, and thermistors.

- Catalog code: ctr4000
- Model: CTR4000
- Category: Calibration technology › Resistance thermometry bridges
- Product page: https://avigan.com.ua/wika/en/products/ctr4000
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

Application The model CTR4000 precision thermometer provides a complete measurement and control interface for users wishing to make high-accuracy ...

## Applications

- Pharmaceutical industry
- Industry (laboratory, workshop and production)
- Temperature sensor and transmitter manufacturers
- Calibration service companies and service industry

## Special features

- High accuracy
- Innovative and intuitive user interface
- Versatile applications by measuring thermocouples and resistance thermometers
- Logger and scan functions
- Up to 44 channels possible

## Specifications

| Parameter | Value |
|---|---|
| model | CTR4000 |
| product family | CTR |
| short description | Multi-functional precision thermometer with high accuracy for laboratory and industrial temperature measurements and calibration applications, supporting resistance thermometers, thermocouples, and thermistors. |
| subcategory | precision thermometer |
| certifications | EU declaration of conformity; CE; RoHS |
| ambient temp | 0 … 50 °C |
| ip rating | IP20 |
| weight kg | 4.8 |
| languages in datasheet | en |
| calibration type | temperature_bath |
| temperature ranges | -200 … 962 °C; -270 … 1820 °C; -20 … 50 °C |
| accuracy or uncertainty | ±0.004 % + 2 µV for thermocouples; 3.75 mK (4-wire) for PRT/SPRT |
| traceability | A2LA; DAkkS |
| portable | false |

## Datasheet tables

| Basic information | 2 |
|---|---|
| Instrument |  |
| Instrument version | ■ Desktop case ■ 19" rack-mounting kit |
| Weight | 4.8 kg [10.58 lb] |
| Warm-up time | Approx. 60 min |
| Input |  |
| Input channels | Channel 1 + 2 Resistance thermometers with 5-pin DIN connector Channel 3 + 4 Thermocouple with standard miniature 2-pin thermocouple plug |
| Scanner box | Up to 4 modules Max. 44 channels (in total) Each module has 10 channels |
| Input connections | 5-pin DIN connector or bare cable ends (resistance thermometer or thermistor) Standard miniature 2-pin thermocouple plug or bare cable ends (thermocouple) |
| Data entry format | ITS-90 and CvD for calibrated resistance thermometers; or EN 60751 standard conversion for uncalibrated resistance thermometers TC polynomial for calibrated thermocouples; or EN 60584 standard conversion for uncalibrated thermocouple |
| Measuring range |  |
| PRT/SPRT | Measuring range 0 ... 500 Ω -200 … +962 °C [-328 ... +1,764 °F] 3- and 4-wire measurement |
| Thermocouple per EN 60584 | Measuring range -9.8 ... +76.4 mV corresponding to the range of the thermocouple E -270 ... +1,820 °C [-454 ... +3,308 °F] ■ Type B ■ Type C ■ Type D ■ Type K ■ Type N ■ Type R |
| Thermistor | 0 ... 500 kΩ |
| Digital display |  |
| Display | Colour TFT display including projective capacitive touchscreen with a resolution of 800 x 480 pixels |
| Resolution | ■ 0.0001 K ■ 0.00001 Ω ■ 0.00001 mV |
| Display units | ■ °C ■ °F ■ K ■ mV ■ Ω |
| Display update rate |  |
|  | 500 ms |
| Functions |  |
| Real-time clock | Integrated clock with date |

| Accuracies 1) | 2 | 3 |
|---|---|---|
| Resistance thermometers |  |  |
| Temperature accuracy | 4-wire | ■ CTR4000-A: 3.75 mK ■ CTR4000-S: 5 mK |
|  | 3-wire | ■ CTR4000-A: 0.03 K ■ CTR4000-S: 0.03 K |
| Temperature conversions | ■ Standard EN 60751 ■ CvD ■ ITS-90 |  |
| Sensor currents | CTR4000-A | ■ 0.5 mA ■ 1 mA ■ 2 mA ■ √2 |
|  | CTR4000-S | Pt25 ■ 2 mA ■ √2 |
|  |  | Pt100 ■ 1 mA |
| Standby currents | R 0 < 50 Ω | 0 ... 125 Ω 2 mA |
|  | R 0 ≥ 50 Ω | 0 ... 500 Ω 1 mA |
| Measuring time | 3 seconds refresh rate |  |
| Thermocouple |  |  |
| Base measurement 2) | ±% of reading + µV |  |
| Temperature accuracy | ±0.004 % + 2 µV Type B Type C | ±0.09 °C + ±0.025 % of reading ±0.57 °C + ±0.057 % of reading |
|  | Type D | ±0.60 °C + ±0.059 % of reading |
|  | Type E | ±0.05 °C + ±0.031 % of reading |
|  | Type J | ±0.07 °C + ±0.030 % of reading |
|  | Type K | ±0.09 °C + ±0.035 % of reading |
|  | Type N | ±0.08 °C + ±0.035 % of reading |
|  | Type R | ±0.27 °C + ±0.020 % of reading |
|  | Type S | ±0.27 °C + ±0.020 % of reading |
| Temperature conversions | Standard EN 60584, polynomial |  |
| Measuring time | 3 seconds refresh rate |  |
| Cold junction compensation | ■ Internal ■ External ■ Channel Accuracy internal cold junction compensation ±0.15 K |  |
| Thermistor Accuracies | 0 ... 400 Ω |  |
|  | 50 ... 500 kΩ | ±0.02 % of reading |
| Temperature conversions |  |  |
|  | 400 Ω ... 50 kΩ 0 ... 450 Ω | ±0.006 Ω ±0.01 % of reading |
| Sensor currents | Steinhart-Hart, polynomial |  |
|  |  | 1 mA |
|  | 400 Ω ... 45 kΩ | 10 μA |
|  | 40 ... 500 kΩ | 3 μA |
| Measuring time | 3 seconds refresh rate |  |

### Specifications for thermocouples

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Types | Operating range &#x27;Temperature&#x27; | Operating range &#x27;Voltage&#x27; |  |
| [°C] | [°F] | [mV] |  |
| B | 250 ... 1,820 | 482 ... 3,308 | 0.291 ... 13.820 |
| C | 0 ... 2,320 | 32 ... 4,208 | 0 ... 37.107 |
| D | 0 ... 2,400 | 32 ... 4,352 | 0 ... 40.792 |
| E | -200 ... +1,000 | -328 ... +1,832 | -8.825 ... +76.373 |
| J | -210 ... +1,200 | -346 ... +2,192 | -8.095 ... +69.553 |
| K | -200 ... +1,372 | -328 ... +2,502 | -5.891 ... +54.886 |
| N | -200 ... +1,300 | -328 ... +2,372 | -3.990 ... +47.513 |
| R | -50 ... +1,768 | -58 ... +3,214 | -0.226 ... +21.103 |
| S | -50 ... +1,768 | -58 ... +3,214 | -0.235 ... +18.693 |
| T | -200 ... +400 | -328 ... +752 | -5.603 ... +20.872 |

### Communication

| Interface | ■ Ethernet ■ USB |
|---|---|
| Baud rate | 9600 |
| Command sets | ■ IP ■ Netmask ■ Gateway ■ Port ■ DHCP ■ Others on request |

### Voltage supply and performance data

| Auxiliary power | DC 6 V, 3 A |
|---|---|
| Power supply unit | Model FOX30-X from Mensor |
| Operating voltage | AC 100 ... 120 V / 200 ... 240 V; 50/60 Hz; 0.6 A |
| Mains supply voltage fluctuations | ±10 % (AC 90 ... 132 V / 180 ... 264 V) |

### Operating conditions

| Operating altitude | ≤ 2,000 m [≤ 6,561 ft] above sea level |
|---|---|
| Place of use | Indoor Not for wet locations |
| Operating temperature | 0 ... 50 °C [32 ... 122 °F] |
|  | Maximum achievable accuracy within 17 ... 23 °C [63 ... 73 °F] |
| Storage temperature range | -20 ... +50 °C [-4 ... +122 °F] |
| Humidity | 0 ... 70 % relative humidity |
| Condensation | Non-condensing |
| EMC (HF field) | EN 61326-1 emission (group 1, class B) and immunity (industrial application) |
| Overvoltage category | II |
| Pollution degree | Degree 2 |
| Ingress protection of the complete instrument | IP20 |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity | European Union |

### Description

| Certificates | ■ Test report for electrical inputs ■ 3.1 inspection certificate per EN 10204 (only system calibration) 1) |
|---|---|
| Calibration | ■ A2LA calibration certificate (traceable and accredited in accordance with ISO/IEC 17025) ■ DAkkS calibration certificate for electrical inputs (traceable and accredited in accordance with ISO/IEC 17025) ■ DAkkS calibration certificate - only system calibration (traceable and accredited in accord - ance with ISO/IEC 17025) 1) |
| Recommended calibration interval | 1 year (dependent on conditions of use) |

| Description 1) | 2 | Order code |
|---|---|---|
|  |  | CTX-A-A1 |
|  | Case Transport case, robust | -T1- |
|  | Multiplexer model CTS3000 10-channel multiplexer as desktop case For resistance thermometers and thermocouples (maximum of 4 multiplexers per CTR4000) | -CD- |
|  | Multiplexer model CTS3000 10-channel multiplexer with built-in case for 19" rack For resistance thermometers and thermocouples (maximum of 4 multiplexers per CTR4000) | -CR- |
|  | Adapter cable CTS3000 5 x 4 mm banana plugs to 5-pin DIN socket | A3 |
|  | Adapter cable CTR4000 5 x 4 mm banana sockets to 5-pin DIN connector | AE |
|  | 15-pin interface cable For resistance thermometers Length: 0.75 m [2.5 ft] | I5 |
|  | TC interface cable For thermocouples Length: 0.75 m [2.5 ft] | I6 |
| Ordering information for your enquiry: |  |  |
| 1. Order 2. Option: | code: CTX-A-A1 | ⇓ [ ] |

| Description 1) | 2 | Order code |
|---|---|---|
|  | Temperature probe model CTP5000 CTP5000 |  |
|  | Temperature probe model CTP6000 Immersion probe | CTP6000 |
|  | Thermocouple model CTP9000 Immersion probe type S With or without cold junction | CTP9000 |

| Multiplexer | 2 |
|---|---|
| Number of channels | 10 |
| Channel indication | LED |
| Probe connection | 4 mm banana jacks and TC mini connectors |
| Case type | ■ Desktop case ■ Built-in case for 19" rack |
| Connection to measuring instrument |  |
| Max. number per measuring instrument | 4 |
| Selectable probe types |  |
| Pt100 - 3-wire |  |
| Pt100 - 4-wire |  |
| Thermistors |  |
| Thermocouples |  |
| Measuring instrument assignment |  |
| CTR3000 |  |
| Permissible ambient conditions |  |
| Operating temperature | 0 ... 50 °C [32 ... 122 °F] |
| Relative humidity | 0 … 60 % r. h. (non-condensing) |
| Storage temperature | -20 ... +50 °C [-4 ... +122 °F] |
| Case |  |
| Dimensions (W x H x D) | see technical drawings |
| Weight | 4 kg [8.8 lbs] |

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

| 1 | Order code |
|---|---|
| Temperature probe model CTP5000 Immersion probe | CTP5000 |
| Thermocouple model CTP9000 Immersion probe type S With or without cold junction | CTP9000 |

## Documents

- [ds_ct6025_en_co_afb400](https://avigan.com.ua/wika/docs/wika/ds_ct6025_en_co.pdf) — PDF, 715 KB, en
- [ds_ac8701_en_co_02024e](https://avigan.com.ua/wika/docs/wika/ds_ac8701_en_co.pdf) — PDF, 423 KB, en

## Configurator

This product has an interactive configurator on its product page.

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CTR4000- -ZZ
```