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Compact. Easy. Flexible.

At Affinite, we understand the challenges that scientists face when working with techniques such as ELISA. That’s where our next-generation SPR devices become the solution. With Lensless SPR, you can optimize and validate your surface chemistry preparations in real-time, saving you hours of troubleshooting and enabling faster, more efficient research. Our products stand out for their exceptional quality and performance, boasting a unique, ultra-compact SPR module powered by proprietary Lensless SPR technology.

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Embrace the future of biosensing with Affinite – where innovation meets accessibility, and where one instrument opens the door to infinite possibilities. Elevate your research capabilities today and stay ahead of the curve with our next generation biosensing instruments.

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P4SPR 2.0

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P4PRO and Affipump

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P4PRO +

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P4SPR 

The Ultra-compact Powerhouse: A Portable SPR Solution for On-the-Go Precision Analysis

Product Guide 

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Product Line Features

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Product Line Specifications

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P4SPR 

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P4SPR 2.0

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P4PRO and Affipump

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P4PRO +

Specifications

Weight

1.4 kg

4.0 kg

4.4 kg and 2.5 kg

4.7 kg

Dimensions

17.5 x 15.5 x 5.5 cm

25 x 25  x 6 cm

25 cm x 25 cm x 13.5 cm and 20 cm x 9.5 cm x 27 cm

25 cm x 25 cm x 13.5 cm

Mode

Static 

Static

Hybrid (static and flow)

Flow

Number of channels (simultaneous reading)

4

4

Static: 4 and Flow: 2 (total 4 channels

2 (total of 4 channels)

Flow rate range

N/A

N/A

0.3 -10,000 uL/min

5-200 uL/min

Injection volume required

200 uL

150 uL

Static: 300 uL Flow: 5-100 uL

5-100 uL

1 or 5 Hz

Detection rate

1 or 5 Hz

1 or 5 Hz

1 or 5 Hz

Sample introduction mode

Manual Injection

Manual injection

Semi-automated

Semi-automated

Run time per cycle

≤ 10 minutes

≤ 10 minutes

 2-15 minutes

 2-15 minutes

Operating temperature

-10áµ’C to 40áµ’C

Ambient

Ambient

Ambient

PC/laptop powered

Power requirement

PC/laptop powered

24 V and 12 V

24 V 

Performance

Detection limit

fM (assay dependent)

fM (assay dependent)

fM (assay dependent)

fM (assay dependent)

Association rate (kon) range

N/A

N/A

10 – 10 M  s

3

7

-1

-1

10 – 10 M  s

3

7

-1

-1

Dissociation rate (koff) range

N/A

N/A

10 – 10  s

-1

-1

-5

10 – 10  s

-1

-1

-5

Affinity constant (KD) range

≥ pM

≥ pM

≥ pM

≥ pM

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