1. Centrifugal pump performance test unit/centrifugal pump performance test instrument model: zrx-17642
Purpose of the experiment
The measurement method of the centrifugal pump characteristics curve (h-q curve, n-q curve, zirconium-q curve) is used to determine the head and flow curves, where efficiency and flow curves are drawn。
Ii. Technical parameters
Liquid flow: approximately 0-8. 5 m3/h
2. Centrifugal pump export pressure: approximately 0-0. 2 mpa
3. Range of centrifuge pumps (h): about 0-20m
4. Centrifugal pump axial power (n): approximately 0. 43-0. 85 kw
5. Centrifugal pump efficiency (η): about 0-60%
6. Centrifugal pump rotation: 0-2900 w/min
Liquid temperature: constant temperature
Control panels and frameworks are stainless steel, compact structures, appearances, simple processes and operational convenience
9. Body size: 2000 x 580 x 1800 (long x wide x high)。
On the surface (white, 10 mm thick pp board), on the double-coloured lasagna (name, size of each unit)
11. Double-sided sub-sync plasticjet control box 1, leak protection switch, power voltage table and button switch (delisi), cable slot
Iii. Main configuration:
Water tanks, centrifuge pumps, pressure meters, vacuum meters, power meters, rotor gauges, experimental pipelines, control panels, stainless steel frames。
Utilities
Water: devices with stainless steel tanks connected to running water. During the experiment, a centrifuge pump enters the test tube and is recycled。
Electricity: voltage ac380v, power 1. 0kw, standard 3x5-line. Each laboratory will need to be equipped with 1-2 interface sites (safe and signal locations)
V. Experimental material
Clean tap water。
2. Cod digestor, cod digestor model: zrx-17641
1. Scope of application and main uses
The monitoring and management of water quality is widely applied at all levels of environmental protection, water resource management and public health. The cod values for surface water, household sewage and industrial wastewater can be determined。
2. Product characteristics
Time savings, cost savings, secondary pollution mitigation。
Led displays temperature, time, accurate visualization and eliminates beeping tips。
Sealed digestion, with resistance to chlorinated ion interference, can be measured at levels of up to 1000 mg/l at cod values greater than 50 mg/l。
Low cod values under 10 mg/l can be measured。
The precision, accuracy and flowback are the same。
Self-diagnosis of malfunctions: code display of malfunctions, user-friendly self-diagnosis and overhaul。
High-temperature compensatory functions are available to compensate for differences in decomposition temperatures due to winter, summer environments, etc., and to make measurements more accurate。
Technical parameters
Dismantling device model: zrx-17641
Temperature control point: 100-169. 9°c can be set, temperature fluctuations: ≤±0. 4°c
Measurement range: cod cr: 5 ~ 2500 mg/l; tp: 0. 01 ~ 0. 6 mg/l; n: 0. 05 ~ 4 mg/l
Antichlorine ion interference: ≤10,000 mg/l
Number of samples: 12
Decomposition time: 0-59 min set
Average power consumption: 300 w
Outer size (mm): 370 x 430 x 240
15 decomposition tubes for consumables (specify)
3. Frozen tester/frozen tester/frozen tester model: zrx-17640
Working conditions
3. 1 power voltage: 220v; frequency: 50hz
3. 2 environmental conditions: 20% ~ 80% relative humidity of 0°c ~ 40°c, indoor air environment free of condensed water。
Technical indicators and characteristics
4. 1 load range: 0~1000g
Resolution: 0. 1g
Precision: ±0. 5% fsr
4. 2 offset range: 0~100mm
Resolution: 0. 1 mm
Precision: ± 0. 1 mm
4. 3 speed adjustment: 0. 1 mm/s~10 mm/s
Speed resolution: 0. 1 mm/s
Accuracy: sets the accuracy at > 1%
4. 4 probe cylinder diameter: 12,700 ± 0. 010 mm
4. 5 four measurement models, one calibration model:
(i) bloom - frozen strength test:
1 peak load
2 peak variable
End 3 load
4 mj
5 cumulative standard deviation (ii) normal - single compression test:
1 real time load
2 calibrations
3 degrees hard
Response 3
4 sticky
(iii) hold time - compression maintenance test:
1 trigger to set distance
2 ongoing set time
3-peak load
Four-peak variable
End 5 load
6 real time countdown
(iv) cycle count - multiple compression tests: 1 real-time z large
2 real time z small
3 real-time average
End 4 peak
5 real-time standard deviation
5 residuals
(v) validation of the accuracy of static load-load measurements:
Use standard codes to enter the system interface for interactive validation。
4. 6 on the basis of different test models, the certification of regulatory authority provides six parameter settings:
1 trigger point: 1g~500g resolution 0. 1g
2-shaped variable: 0~90mm resolution 0. 1mm
3 velocity: 0. 1 mm/s~10 mm/s resolution 0. 1 mm/s
4 hold time: 1-999999s
Multiple compressions: 1-99
4. 7 output: rs232 line print interface
Usb serial
4. 8 dimensions: 330 mm long, 290 mm wide, 530 mm high
4. 9 weight: 14. 3 kg
4. Refrigerator oil condensator, refrigerator oil condensator model: zrx-17639
The refrigerator oil condensate gauge describes:
Refrigerator oil condensator applies standard din513351 gb/t12577. For mineral oil refrigerated oils, synthetic oil refrigerated oils, the condensation point of refrigerated oils is determined in the case of mixing with refrigerants。
The main technical parameters of the refrigerator oil condensator:
Work power: ac220v/50hz
1. Refrigeration methods: refrigerated compression mechanism cold technology
Temperature range: constant ~-75°c accuracy ± 0. 2°c
3 temperature control: numerical pid temperature controller
Integer power: 2kw
5 working module: split structure to reduce errors caused by instrument vibrations
Cold bath: glass dwarves for cold baths. Okay
7. A containment system capable of fast-tracking test tubes
5. Computer-type melting dynamite microscope, melting dynamite microscope model: zrx-17638
Instrument use
Welding melts deep stereo microscopes zrx-17638 allow direct computer imaging when observing objects. A 3d sense, clearer and broader imaging, with long working distances and a larger range of visual fields and corresponding magnification multipliers, is a universal microscope for welding depth tests。
In recent years, with the rapid development of modern technologies such as metallurgical, mechanical, petrochemical, electrical and atomic energy, space and space technologies, there has been a growing demand for the stability of the product welding, whose melting depth is an important indicator of the mechanical performance of welding and its external performance. Strict requirements for welding in the area of the manufacture of automobile parts. ... Welding can be photographed, edited, measured, preserved, printed at the melting depths generated by various welding links, such as docking, angles, docking and t-types。
Technical parameters
Microscope component
1. Camera goggles: direct connection to ccd, image import computer。
2. Multiplication range of mirrors: 0. 7-4. 5x 3. Multiplication ratio: 6. 5:1
4. Double-eye range reconciliation range: 55-75mm 5. Circle carrier diameter: 95mm
6. Mobile working distance: 250 mm 7. Light source: upper and lower halogen lamps lighting
8 total magnification multiple: 7-400x (for example, 17-inch monitor, 2-x-fold large mirror)
The price of this product is only for accessories, since the test parameters differ in the final requirements of the instrument, and the price shown is not the final price of the product. If it makes you uncomfortable, please contact our client before buying it. We will confirm the product information, technical parameters, and the offer. We will serve you at a preferential price and be sincere in looking forward to your call