Two positions Pulp viscometer PSL-Rheotek

RPV-1 (2) Pulp

RPV-1 (2) Pulp Request Quotation

The PSL Rheotek RPV-1 (2) two position Pulp and Cellulose viscometer system is suitable for measuring a wide range of pulp and cellulose products including bleached wood (paper pulp), bleached chemical pulp, digester samples, cotton linters, regenerated cellulose, aged electrical papers and pharmaceutical bulking materials.
RPV-1 Pulp & Cellulose viscometer systems are configured with a unique nitrogen purge system in order to ensure that samples are protected from oxidation during both the sample preparation and viscosity test.

The RPV-1 Pulp Viscometer is designed to be integrated with the iSP-2 Sample Preparation system for pulp & cellulose.

Other options include Pulp stirring block and RSS Rheotek Smart Sampler.

Part No. RPV-1 (2) Pulp

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Product Description

Product Description

Details

The PSL Rheotek RPV-1 Pulp & Cellulose viscometer system automatically measures the viscosity of a solution of pulp, paper or cellulose dissolved in cupriethylenediamine (also known as CED or Cuene).
The RPV-1 Pulp & Cellulose viscometer automates the manual steps set out in standard methods, minimizing the variability of results.
Systems can be configured with 1 to 4 measuring positions. Other options include sample preparation, sample agitation and auto sampler.
Flow times are measured automatically using ASTM Ubbelohde viscometer tubes supplied with ISO 17025 certificates of calibration.
Cleaning is carried out in-situ utilizing solvents and a safe vacuum system.
The comprehensive RPV-1 software program records all measurement data as well as calculating a wide range of results including relative viscosity, intrinsic viscosity (Limiting Viscosity Number), degree of polymerization (DP), K value, kinematic viscosity (mm²/s) and dynamic viscosity (mPa.s).

PSL Viscometer tube types: AKV Ubbelohde or AKV Cannon Fenske Routine

Test Methods Pulp and Cellulose:

SCAN-CM 15:99 Viscosity in Cupriethylenediamine Solution

ISO 5351 Determination of limiting Viscosity Number in Cupriethylenediamine (CED) Solution

ASTM D1795 Standard Test Method for Intrinsic Viscosity of Cellulose

TAPPI T 230 Viscosity of Pulp (capillary viscometer method)

PACTAC G.24P Cupriethylenediamine Viscosity of Pulp

Other Test Methods:

ASTM D445 Standard Test Method for determination of kinematic viscosity

ISO 3104 Petroleum products – determination of kinematic viscosity

IP 71 Section 1 Kinematic Viscosity

Typical applications and configurations

Test Method	Solvent	Concentration	Temperature	RPV-1 Pulp measuring positions
ISO 5351	CED solution	0.2-0.5%	25°C	2 to 4
ASTM D1795	CED solution	0.1-1%	25°C	1 to 4
T230	CED solution	0,5%	25°C	1 to 4
G.24P	CED solution	0,5%	25°C	1 to 4

Part No.	Ordering information
RPV-1 (2) Pulp	PSL Rheotek Polymer Viscometer – two positions complete with viscometer bath, chiller, control module, nitrogen purge system, two measuring heads, two filling stations, PC control system and PIAB vacuum system.

Part No.	Other options
RPVS011	RPV start up kit including glass vials (144 pcs), plastic caps (500 pcs) and copper strips (10 pcs)
SIL-OIL	Silicone bath oil
MIN-OIL	Mineral bath oil
STATPACK	RPV StatsPack extraction of results to PC or LIMS
F100/A/CAL-4	Digital Thermometer with one probe and calibration