Magnetic overlay thickness gauge, sensor application experimenter, electron vibrator demonstration,

1. Magnetic overlay thickness detector/painter/ thickness gauge/digital coating thickness detector model: mhy-16543
Product overview:
This instrument is a nanometer capable of measuring the non-magnetic cover thickness of the magnetic metal matrix. It can be used extensively in areas such as manufacturing, metal processing, chemical industry, commercial inspection, etc. Applicable to engineering field measurements。
Technical parameters:
Header type f
The principle of measurement, magnetic
Measurement range 0-1250 m
Low display resolution 0. 1 m (0. 1 m below 100 m)
Isolation
Catalog error zero calibration (um) ± [3% h + 1]
Two dot calibration (um) ± [(1% ~ 3%) h + 1]
Measured condition curvature radius (mm) 1. 5; dent 9
Base area diameter (mm) ф7
Critical thickness (mm) 0. 5
Temperature 0-40°c; 20% rh ~ 90% rh
Average (mean), large (max), small (min)
Number of tests (no.), standard deviation (s. Dev)
Working method: direct mode (direct) and grouping (appl)
Continuous measurements (continue) and single measurements (single)
Storage capacity storage of 500 measurements
Print/connect computers
Turn it off, automatically, manually
Power source aaa 1. 5v(7) dry battery 2 knots
Outer size 146x60x28mm
Weight 132g

2. Sensor application experimenter model: mhz-12714
Overview
(c) instruments for the teaching of high school physics to be used as teaching equipment in the student group experiments。
The instrument performs the qualitative teaching requirements of a combination of theory and practice on a more systematic basis, using a combination of interpolated research experiments combining thermal, photo-sensitive and acoustic sensors into sensor properties。
Main technical capabilities
2-1 thermal sensitivity sensors: probe-type thermal sensitivity resistance > 50 kw (0°c)。
<500w。
2-3. Sensitivity sensors: sensitivity > 75db。
2-4, hot sensitivity control experiment panel: temperature 50°c, automatic alarm。
2-5. Optical sensitivity control experiment panel: one automatic add-up of the slug light 1。
2-6. Sensitivity control trial panel: automatic lighting of a single sound (sounding > 75db)。
2-7. Working environment: temperature: a: 0-40°c。
B: relative humidity lt; 90%。
Working power: 6v direct current voltage。
2-9, outer dimension: 200 x 120 x 135 mm3。

3. Electro-mentator model: mhz-1270
Main technical capabilities
2-1, work frequency: approximately 150 mhz。
2-2, output power: about 1 w。
2-3, instructional beads: 2. 5 v 100ua。
2-4. Distance of reception: 150 mm。
Working environment: temperature + 40°c relative humidity 85%
2-6. Use of power: ac 220v (1)(10%) 50hz。
2-7. Host shape size: 240 x 180 x 110 mm3。

4. Electronic beam demonstration machine model: mhz-12708
Main uses of instruments:
(1) the demonstration of accelerated electronics, moving in straight lines when no external field or magnetic field function。
(2) observe the deviation of electronic beams by the effect of the electric field。
(3) observe the lolenzli to which the electronic beams are subjected in the magnetic field。
Technical capabilities
2-1, accelerator volts: 0-700 volts continuous。
2-2, diversion voltage: range 0-50 volts。
2-3. Diverse direction: top, bottom, left, right. (electron field effects)
2-4, display: fluorescent screens display electronic beam tracks。
2-5, power source: 220v (1)(10%) 50hz。
2-6. Utility: <30w。
Working environment: a) temperature: 0 - 40°c。
B) relative humidity: < 85%。
2-8. Continuous working hours: one hour。
2-9, outer dimension: 130 x 310 x 205 mm3。