Mastercycler X50, Nexus and Nexus X2

Jeulin, the official distributor of Eppendorf, is delighted to introduce the range of thermocyclers: Mastercycler X50, Mastercycler Nexus, Mastercycler Nexus Gradient, and Mastercycler Nexus GX2. Fast, reliable, and easy to use, Eppendorf thermocyclers are the benchmark devices for PCR in laboratories.
Jeulin is your trusted partner in France and internationally. Our specialized sales team is here to support you at every step: offering advice, laboratory applications, and maintenance. Do not hesitate to contact us for a demonstration of thermocycler use.
Eppendorf is a renowned and leading company in the life sciences field, developing and marketing products worldwide. Since 1945, Eppendorf has provided researchers, industry professionals, and hospitals with a comprehensive range of instruments, consumables, software, and digital lab management systems. Drawing on its extensive experience, the company continuously innovates and enhances existing products while maintaining a high level of quality and reliability. Specialized experts are available to assist you at every stage, from expert advice to lab applications and maintenance.
Modern and committed, Eppendorf invests in environmentally responsible industrial production and prioritizes ergonomic product design to support user well-being.
Discover a selection of products from the Eppendorf thermocycler range, including the X50, Nexus, and Nexus X2 models.
Mastercycler X50
The Mastercycler X50 combines speed, flexibility, and ease of use. Its intuitive touchscreen provides precise fingertip control, making the PCR MC X50 thermocycler ideal for easy PCR optimization in advanced molecular biology research and reliable standardization of routine PCR applications.
Advantages of the Mastercycler X50:
- Heating speed up to 10 °C/s
- Wide selection of blocks in aluminum or silver, ranging from 96 to 384 wells of 0.1/0.2 mL
- Fast, intuitive programming with touchscreen interface
- 2D gradient thermoblock
Possibility to connect up to nine additional eco units.
Advanced PCR optimization thanks to the 2D gradient function: simultaneous optimization of denaturation temperature (bottom to top) and simulated annealing temperature (left to right).
Faster PCR for time savings thanks to optimal heating rates of 10°C/s and cooling rates of 5°C/s. Ergonomics designed and optimized for your health and well-being at work. A low noise level, reduced footprint, intuitive use, and ergonomic closure.
Effective management of laboratories and devices with VisioNize® Lab Suite: monitor your laboratory devices, receive notifications, optimize sample safety, compliance needs, and maintenance management.
Mastercycler X50, eco version
Eco units must be operated by a Mastercycler X50 with a touchscreen interface. The technical specifications are identical to the screen version.
It is possible to network up to nine additional eco units.
Model with screen | X50s | X50a | X50h |
---|---|---|---|
Reférence |
Product 708269 |
Product 708260 |
Product 708262 |
Eco model | X50i | X50l | X50t |
Reference |
Product 708270 |
Product 708261 |
Product 708263 |


X50s | X50a | X50h | |
---|---|---|---|
Reference |
Product 708269 |
Product 708260 |
Product 708262 |
Number of samples | 96 | 384 | |
Sampling capacity | 96-well plate 96 tubes of 0,1/0,2 mL |
384-well plate | |
Thermoblock | Silver | Aluminum | |
2D gradient thermoblock | More than 12 columns More than 8 rows |
More than 24 columns More than 16 rows |
|
Heating rate | 10 °C/s | 5 °C/s | |
Cooling rate | 5 °C/s | 2.3 °C/s | |
Data transfert | Ethernet, USB | ||
Temperature control range of the block | 4 - 99 °C | ||
Temperature gradient range | 1 - 30 °C | ||
Temperature gradient control range | 30 - 99 °C | ||
Dimensions (L x W x H) | 27,5 × 43 × 33 cm 10,8 × 16,9 × 13 in |
Mastercycler Nexus, Nexus gradient and Nexus GX2


The versatility of the Mastercycler Nexus allows you to select the PCR consumables that best suit your test. The Nexus PCR cycler can accommodate 96-well PCR plates, 0.2 mL PCR tubes, 0.2 mL PCR tube strips, and 0.5 mL PCR tubes. Height adjustment is effortless thanks to the flexlid® concept.
The Nexus is very quiet while being highly energy-efficient.
Ergonomics are designed and optimized for your health and well-being at work. It features a low noise level, a compact design, intuitive use, and ergonomic closure.
Effective management of laboratories and devices with VisioNize® Lab Suite: monitor your laboratory devices, receive notifications, optimize sample security, compliance needs, and maintenance management.
Gradient with SteadySlope® technology: the temperature control characteristics are identical for gradient optimization and routine use (except Nexus).
Advantages of the Mastercycler Nexus :
- Universal block for maximum consumable flexibility
- 96-well blocks or asymmetrical block division with a 32-well block and a 64-well block
- Quick and intuitive programming thanks to the touchscreen interface
Model* | Nexus | Nexus GX2 | Nexus Gradient |
---|---|---|---|
Reference |
Product 708265 |
Product 708266 |
Product 708264 |
Number of samples | 96 | 64/32 | 96 |
Sampling capacity | 96 tubes 0,2 mL 96-well plate 38 tubes 0,5 mL |
64/32 tubes 0,2 mL 24/10 tubes 0,5 mL |
96 tubes 0,2 mL 96-well plate 38 tubes 0,5 mL |
Thermoblock | Aluminium | ||
Gradient thermoblock | - | More than 8 rows (0.2 mL) | More than 12 rows (0.2 mL) |
Heating rate | 3 °C/s | ||
Cooling rate | 2 °C/s | ||
Data transfer | CAN_in/CAN_out, Ethernet, USB | ||
Temperature control range of the block | 4 - 99 °C | ||
Temperature gradient range | - | 1 - 12 °C | 1 - 20 °C |
Temperature gradient control range | - | 4 - 99 °C | |
Dimensions (L x W x H) | 25 × 41.2 × 32.1 cm 9.8 × 16,2 × 12.6 in |
25 × 41.2 × 33 cm 9.8 × 16,2 × 3 in |
25 × 41.2 × 32.1 cm 9.8 × 16,2 × 12.6 in |