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Thermo Scientific Masterflex® P/S
P/S Precision Control Drives
     
P/S Precision Control Drives
 
 
 
 
 
 


P/S Precision Control Drives:

Product Benefits:
• Deliver flow rates from 0.06 to 3400 mL/min (up to 54 GPH) with Masterflex P/S Pump Heads.
• Motor and controller in one convenient package.
• Molded handle for one-handed portability.
• Precise reset of speed control with lockable 10-turn potentiometer and separate on/off.
• Reversible motor.
• 4 to 20 mA remote speed control, START/STOP via open collector or contact closure.
• Speed not affected by minor variations in power line voltage (V AC) and frequency (Hz).

Ordering Information:

Pump & Drive
Catalog #
Drive
Catalog #
Drive
Ref #
Pump Head
Catalog #
Pump Head
Ref #
RPM
Tubing
Options
Includes One
Pump Head
955-1000
77521-40
77200-60
6 to 600
P/S 13, 14, 16, 17, 18, 25
(Thin Wall)
 
955-1005
77521-47
77200-60
6 to 600
955-1500
77521-50
77200-60
1 to 100
955-1505
77521-57
77200-60
1 to 100
956-1000
77521-40
77200-62
6 to 600
  
956-1005
77521-47
77200-62
6 to 600
956-1500
77521-50
77200-62
1 to 100
956-1505
77521-57
77200-62
1 to 100
965-1000
77521-40
77250-62
 6 to 600
965-1005
77521-47
77250-62
6 to 600
965-1500
77521-50
77250-62
1 to 100
965-1505
77521-57
77250-62
1 to 100

Tubing Options:

  Flow Rates, mL/min (GPH)*
Motor rpm
Masterflex® P/S Precision Tubing Sizes (thin wall)
P/S 13
P/S 14
P/S 16
P/S 25
P/S 17
P/S 18
6 to 600
0.36 to 36
1.3 to 130
4.8 to 480
10 to 1000
17 to 1700
23 to 2300
(0.005 to 0.54)
(0.01 to 1.8)
(0.06 to 7.6)
(0.12 to 16)
(0.26 to 26)
(0.36 to 36)
1 to 100
0.06 to 6
0.21 to 21
0.8 to 80
1.7 to 170
2.8 to 280
3.8 to 380
(0.001 to 0.06)
(0.003 to 0.33)
(0.012 to 1.25)
(0.024 to 2.4)
(0.042 to 4.2)
(0.06 to 6)
Motor rpm
Masterflex ® P/S High-Performance Precision Tubing Sizes (thick wall)
P/S 15
P/S 24
P/S 35
P/S 36
6 to 600
10 to 1000
 
17 to 1700
23 to 2300
29 to 2900
(0.12 to 16)
(0.26 to 26)
(0.36 to 36)
(0.46 to 46)
1 to 100
1.7 to 170
2.8 to 280
3.8 to 380
4.8 to 480
(0.024 to 2.4)
(0.042 to 4.2)
(0.06 to 6)
(0.08 to 8)

Note: Flow ranges were determined using water at room temperature with zero back pressure and zero suction lift.
*Up to 3400 mL/min (54 GPH) with High-Performance pump head.

Specifications:

Catalog
number
955-
1000
955-
1005
956-
1000
956-
1005
965-
1000
965-
1005
955-
1500
955-
1505
956-
1500
956-
1505
965-
1500
965-
1505
Included
pump head
Easy-Load II
(thin wall)
 
Easy-Load II
(thick wall)
High-Performance
(thick wall)
Easy-Load II
(thin wall)
Easy-Load II
(thick wall)
High-Performance
(thick wall)
Number of heads accepted
2
 
2
 
1
 
4
4
1
rpm
6 to 600
6 to 600
6 to 600
1 to 100
1 to 100
1 to 100
External control—input
4 to 20 mA, 2 to 10 V, TTL, signal for remote stop
External control—output
Not applicable
Voltage/VAC (50/60 Hz)
Frequency
90-130
190-260
90-130
190-260
90-130
190-260
90-130
190-260
90-130
190-260
90-130
190-260
Motor type
Continuous duty, TENV*, permanent magnet DC; permanent lubrication bearings
Speed control type
10-turn potentiometer, SCR, 100:1 turndown
Speed regulation
(Repeatability)
1% (10-turn potentiometer settable to 1%)
Operating temperature
0 to 40ºC (32 to 104ºF)
Storage temperature
–45 to 65ºC (–49 to 149ºF)
IP rating
–45 to 65ºC (–49 to 149ºF)
IP rating
UL, cUL, CE (230 V units)
Dimensions (L x W x H)
29.2 cm x 20.3 cm x 18.4 cm ( 8" x 71⁄4") (11.5” x 8.0” x 7.25” without pump)
Shipping weight
7.7 kg (17 lb)
7.7 kg (17 lb)
8.4 kg (18.5 lb)
7.1 kg (15.75 lb)
7.1 kg (15.75 lb)
8.4 kg (18.5 lb)

*Totally enclosed, non-ventilating.

 
 
 

 

 
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