• Models NRP-2000A and NRP-2000B
• Compact models suitable for low flow rates
• Equipped with a rotation speed display for precise, quantitative operation
♦ NRP-2000A is equipped with a three-stage tubing case, with the second and third stages individually fixable at 90° intervals. This design allows both the suction and discharge sides to be aligned in the same direction, preventing excessive bending or kinking of the tubing and enabling installation at an optimal length.
♦ NRP-2000B is equipped with a single-stage tubing case designed for large-diameter tubing, which can be fixed in 90° increments. This configuration allows the suction and discharge ports to be aligned in the same direction, helping to prevent excessive bending or kinking of the tubing and enabling optimal installation.
♦ Since only the tubing comes into contact with the liquid, there is no contact with metal parts, eliminating concerns about contamination. The integrated tubing case design enables easy tube replacement by simply lifting the tubing holder.
♦ The rapid-priming switch allows the pump to operate at maximum flow rate, quickly filling the tubing path with liquid up to just before the dispensing point.
♦ Four types of tubing are available depending on the liquid being used: Silicone, PharMed®, Tygon®, and Versilon (Fulran®). Each type comes in three different inner diameters. Please select the appropriate tubing according to the type of liquid and required flow rate.
• Characteristics
• Clear display and excellent operability
The rotation speed is displayed, allowing for precise and quantitative operation settings.
• Discharge volume can be adjusted via external signal input
Equipped with an external signal input terminal for controlling discharge volume via electric signals (0 to 10VDC) from a PC or measurement equipment. This enables automation of reagent addition and other delivery systems.
• The tubing cases of each stage can be fixed separately every 90°
As the suction and discharge ports can be aligned in the same direction, tubing can be installed at an appropriate length without unnecessary bending or kinking. (Different tubing sizes can be combined for each channel.)
• Retractable handle for easy carrying
A retractable handle is provided for convenient transport.
• Leak detection using the optional leak sensor
If a tube ruptures inside the tubing case, causing leakage, the optional leak sensor set detects the leakage and stops the liquid delivery. The leak sensor is made of Teflon® for high chemical resistance.
| Product | Leak sensor set |
| Cat. No. | 265840 |
| Set contents | Leak sensor (0.5m), Vat and Vat holder |
• Specification
| Product | Peristaltic pumps (Roller pumps) |
|
| Model | NRP-2000A | NRP-2000B |
| Cat.No. | 282758 (220V), 282759 (115V) | 282768 (220V), 282769 (115V) |
| Number of tubes | 1 pc / 1 stage | 1 pc / 1 stage |
| Tubing case | 3 pcs (made of PPS resin) | 1 pc (made of polycarbonate) |
| Flow rate range | 9 to 160mL/h x 3 (1.15 ID x 3.2mm OD tube) 30 to 500mL/h x 3 (2.15 ID x 4.2mm OD tube) 60 to 900mL/h x 3 (3.15 ID x 5.2mm OD tube) |
0.7 to 31L/h (4.76 ID x 7.94mm OD tube) 1.1 to 51L/h (6.35 ID x 9.53mm OD tube) 1.6 to 80L/h (7.94 ID x 11.11mm OD tube) |
| Flow rate accuracy | ±2% (repeatability ±1%) | ±4% (repeatability within ±2%) |
| Discharge pressure | Max.196kPa (2.0kg/cm2) | Max. 137.3kPa (1.4kg/cm2) |
| Fluid viscosity |
Max. 2Pa・s (2000cP) | |
| Temperature | -10 to 100°C (no freezing) |
|
| Rotation speed | 1 to 40rpm | 4 to 270rpm |
| Rotation control | Open loop control |
|
| Rotation speed setting | Encoder-based digital setting |
|
| Rotation speed display | Digital display |
|
| Rapid-priming function | Included |
|
| Dispensing direction | Forward/reverse switchable (LED display) |
|
| Other functions | One-touch tubing replacement, Adjustable tubing case angle, Rapid-priming function |
|
| External output | Alarm output terminal (voltage free contact) |
|
| External input | External signal input terminal (0 to 5 VDC, 0 to 10 VDC selectable), Sensor signal input terminal (leak sensor: optional) |
|
| Safety features (option) | A leak sensor set (optional) detects leaks that occur when a tube breaks in the tubing case, etc., and stops the pumping of liquid |
|
| Motor | Stepper motor |
|
| Usable tubing material | Silicone, Tygon®, Versilon (Fluran®), PharMed® |
|
| Usable tubing diameter | 1.15 ID x 3.2mm OD, 2.15 ID x 4.2mm OD, 3.15 x 5.2mm OD | 4.76 ID x 7.94mm OD, 6.35 ID x 9.53mm OD, 7.94 x 11.11mm OD |
| Ambient temperature range | 5 to 35°C |
|
| Power input・supply voltage | 0.2A, 45VA・220VAC 50/60Hz, 0.4A, 47VA・115VAC 50/60Hz |
|
| Outer dimensions (mm)・weight | 120W x 327(342)D x 168(186)H・4.6kg | 120W x 281(296)D x 168(186)H・4.8kg |
♦Performance values are based on room temperature 20°C, rated power supply voltage, 50 Hz, water, liquid temperature 21°C, back pressure 0, and use of specified silicone tubing.
♦Tubing is sold separately. Flow rate, discharge pressure, and other performance values vary slightly depending on the tubing used.
♦ The discharge volume may decrease when the viscosity of the liquid used exceeds 0.1 Pa・s (100cP).
♦ The operating temperature for Tygon® tubing is 0 to 70°C.
♦ Dimensions in parentheses ( ) include protrusions.
• Options
• Tubing available
Select tubing material and inner diameter based on your specific application.
• Leak sensor set
If a tube ruptures inside the tubing case, causing leakage, the optional leak sensor set detects the leakage and stops the liquid delivery. The leak sensor is made of Teflon® for high chemical resistance.
| Product | Leak sensor set |
| Cat. No. | 265840 |
| Set contents | Leak sensor (0.5m), Vat and Vat holder |
• External signal input・alarm output cable
| Product | External signal input・alarm output cable |
| Cat. No. | 283590 |
| Standard | The cable is shared for both external signal input and alarm output. (Cable length: 3m) |
• NRP-2000A・B replacement kit
Model NRP-2000B can be upgraded to NRP-2000A.
| Product | NRP-2000B→2000A replacement kit |
| Cat. No. | 282850 |
Model NRP-2000A can be modified to NRP-2000B.
| Product | NRP-2000A→2000B replacement kit |
| Cat. No. | 265840 |
• Tubing case set (For NRP-2000A)
| Stage | First stage | Multi stage |
| Cat. No. | 282770 | 282780 |
• Adjuster (For NRP-2000A)
This adjuster can be used with commercially available tubing (5mm OD or less). When using a tubing other than the three specified tube diameters with NRP-2000A, please use the adjuster.
| Product | Adjuster |
| Cat. No. | 282830 |
| Standard | Not compatible with the NRP-2000B model. Note: When using the adjuster, flow rate accuracy and discharge pressure may vary from the specified values. |
• Tubing case set (For NRP-2000B)
| Model | NRP-TC (Polycarbonate) | NRP-TCP (PPS resin) |
| Cat. No. | 265820 | 270530 |
• Data
• Flow rate characteristics
Conditions:
Tubing: Silicone tubing
Liquid: Deionized water
Liquid temperature: 20°C
Ambient temperature: 20°C
Back pressure: 0
• NRP-2000A
• NRP-2000B
• Flow rate characteristics based on reference voltage input
Conditions:
Tubing: Silicone tubing
Liquid: Deionized water
Liquid temperature: 20°C
Ambient temperature: 20°C
Back pressure: 0
• NRP-2000A
• NRP-2000B
