---
title: Nothing Compared To The Initium
description: The VROC® initium utilizes MEMS and microfluidic technologies to measure both absolute viscosity and intrinsic viscosity. See how other viscometers compare
---

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# VROC® Initium vs Alternative Instrument

The Initium is noticeably remarkable when compared to alternative viscometers in the market. Unlike most viscometers, [VROC® initium](https://www.rheosense.com/products/automatic-viscometer/vroc-initium?hsLang=en) is incorporated with [MEMS and microfluidic](https://www.rheosense.com/technology?hsLang=en) technologies and measures the absolute viscosity as well as intrinsic viscosity. It provides unmatched accuracy and repeatability and offers many advantages conventional high-throughput viscometers are ill equipped to match.

 

 

 

 

 

VROC® Initium provides: 

- Absolute viscosity measurements (first principle) 
- Shear rate & temperature sweep
- Sample retrieval and recovery 
- Unattended self-cleaning
- High return on investment
- Repeatability & confidence in measurements

 

 

 

 

 

 

 

**I****mage 1:  Fully automatic viscometer**

**Image 2: Significantly easy to use software includes real time data**

**Image 3: Fast temperature sweep with rapid temperature control & sample retrieval**

Flow Mechanism:

Principle:

Viscosity:

Viscosity Range:

Particle Size:

Controlled Shear Rate?

Shear Rate Sweep?

Shear Rate Range:

Temperature Sweep:

Temeprature Range:

Temperature Control Rate:

Sample Retrieval?

Sample Recovery?

Accuracy:

Repeatability:

First Principle: 

## **VROC Initium**

Positive Pump

**Microslit Flow **

**Absolute**

**0.4 ~ 1000 cP****

**Yes. Intrinsic viscosity**

**Yes**

**Yes**

**25 ~ 100,000 s¯1**

**Yes**

**4 ~ 70 °C**

**2.5 **°C per minute ****

****Yes****

****Yes****

****2% of Reading****

****0.5% RSD****

**Yes** 

**Viscosity range up to 10,000 cP with modifications to flow rate,

## Other Automatic Viscometers

Pressure driven

Time of Flight

Relative

0.9 ~ 50 cP

Yes. Diffusitivity

No

No

No specification

No

4 ~ 40 °C

No Specification

No

No

5.5% of Reading

2.5% RSD

No

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