MR264E Instrument Housing And Training Bench Vocational Education Equipment For School Lab Electronic Trainer Kit
1 Product overview
1.1 Overview
This trainer includes various electrical measuring instruments. With related experiment, you can be familiar with characteristic of electrical measuring instruments, and you can master its control principle and way, it trains students to master corresponding knowledge and skills, it is suitable for higher vocational education, college, secondary vocational school and technician training school to conduct related major teaching and skills training test.
1.2 Feature
(1) The trainer adopted aluminum upright frame type structure, power supply and measuring instrument are build-in and integrated installed, which makes use easy and makes it difficult to damage.
(2) Measuring instrument is placed on instrument placed framework, you can flexibly increase and decrease related measuring instruments according to set of experimental subject, which is for satisfying different client requirements.
(3) The trainer has good safety protection system.
2. Performance parameter
(1) Input power: single phase three wire system 220V±10% 50Hz
(2) Dimension: 1600mm×800mm×1300mm
(3) Completer machine capacity: ＜2.0KVA
(4) Weight: ＜100kg
(5) Operating condition:
l Environment temperature -10℃～+40℃
2 Relative humidity ＜85%(25℃)
3. Product formation
3.1. Power control panel
The power control panel adopted aluminum alloy face plate, it is enclosed housing structure, and it connects with placed framework on the bottom.
3.2. Training table
The training table is supported with aluminum upright, it has universal wheel with brake on the bottom, which can make movement and location easy. Surface adopted 25mm thick high density substrate, covered with high temperature, high pressure and fire-proof plate, it is equipped with two three-guide rail type drawers, 2 sliding door type bottom cabinets, its structure is firm and its appearance is beautiful.
3.3. Configuration of power control pane l
(1)two-phase three wire input power which is controlled by RCCB, it has emergency stop button, pressing the button under emergency circumstance.
2)Built-in AC voltage regulator and DC voltage regulator.3
)It is equipped with power light, 220V European style power output socket and safe power output terminals.3.4
Main mating measuring instrument1
)analog oscilloscope2
)DC stabilized power supply(30V5A)
(3)digital multimeter
(4)signal generator
(5)RF generator
4 Main instrument parameter indexes
(Oscilloscope, FG, RF, DMM, AC & DC Power Supply, Soldering Station, Test Lead Holder, AC Out let etc.)
THE TRAINING BENCH SHOULD CONSIST OF THE FOLLOWING INSTRUMENTS HAVING
BELOW FEATURES:
a) TRAINING BENCH
b) OSCILLOSCOPE
c) DC POWER SUPPLY
d) FUNCTION GENERATOR
e) RF GENERATOR
f) DIGITAL MULTI METER
g) AC POWER SUPPLY : 0 ~ 250V, 6V, 12V, 24V
h) SOLDERING STATION
i) AC OUTLET
j) TEST LEADS HOLDER
a) TRAINING BENCH
▪ Height : 81.5 cm
▪ Width : 157 cm
▪ Depth : 90cm
▪ 4 Adjustable stands or 4 Wheels
b) OSCILLOSCOPE
▪ 20MHz Dual Channel Oscilloscope
▪ ALT Triggering Function
▪ Encoder for sweep switch
▪ Fully sealed long life vertical sensitivity
▪ 10 times sweep magnification
▪ TV synchronization and X-Y mode
▪ CRT Type : 6 inch rectangular with internal graticule 8 x 10 div
▪ CRT Accelerating Voltage : 2KV
# Vertical System
▪ Sensitivity : ±3$; 5mV~5V/div ±5%
▪ Bandwidth : DC (AC 10Hz) ~ 20MHz (-3dB) for X1 and
DC (AC 10Hz) ~ 7MHz (-3dB) for X5
▪ Rise time : ≤17.5ns
▪ Input Impedance ≈ 1MΩ / 25pF
▪ Max. Input Voltage : 400V (DC+AC p-p)
# Horizontal System
▪ Sweep time : 0.2µs~0.5s/div ±3%; MAG x 10:20ns ~ 50ms/div ±5%
▪ Sweep time accuracy : ±3%; ±5% at x 10 MAG
▪ Sweep magnification : 10 times
▪ Max. Sweep time : 20nS/DIV
# Trigger System
▪ Trigger Mode : AUTO, NORM, TV-V, TV-H
▪ Trigger level lock : Yes
▪ Trigger Source : CH1, CH2, ALT, LINE, EXT
# X-Y Operation
▪ Sensitivity : 5mV~5V/div, ±4%
▪ X-axis bandwidth : DC ~ 500KHz
c) D C Power Supply
▪ Output Voltage : 0 ~ 30V
▪ Output Current : 0 ~ 5A
▪ Line regulation : CV ≤0.01% + 3mV & CC ≤0.2% + 3mA
▪ Line regulation : CV ≤0.01% + 2mV & CC ≤0.2% + 3mA
▪ Ripple & noise : CV ≤0.5mV rms & CC ≤3mA rms
▪ Display Accuracy :
Volt meter : ± ( 0.2 Rdg + 2 digits), ±2.5% Full scale
Amp meter : ± ( 1.0% Rdg + 2 digits ), ±2.5% Full scale
# Power Source : 220V AC ±10%, 50Hz
d) Function Generator
# Main Output :
▪ Output frequency : 0.02Hz ~ 2MHz
▪ Output waveforms : Sine, Triangle, Square etc.
▪ Output Impedance : 50Ω ±10%
▪ Output amplitude : ≥20Vpp (no load)
▪ Distortion factor : 20Hz ~ 20KHz 1%
▪ Frequency response : 2Hz ~ 2MHz 1dB
▪ Rise or Fall time of Square Wave : <30ns
# TTL output :
▪ Rise or Fall time : ≤50ns
▪ Low & high level : ≤0.4V & ≤3.5V
▪ Impedance : 100Ω
# VCF :
▪ Input Voltage : -5V ~ 0V
▪ Input Impedance : 10KΩ ±10%
# Counter :
▪ Display : 6 digits
▪ Frequency range : 0.5Hz ~ 15MHz
▪ Input Impedance : ≥10KΩ
▪ Sensitivity : 200m Vrms
▪ Resolution : 0.1Hz / 1Hz
e) R F Generator
# Composed with R F Signal Generator, High quality Audio Signal Generator and
FM stereo Signal Generator
# Frequency : 100KHz ~ 150MHz ( Harmonic 450MHz )
# Internal / External AM (0~30%), FM (0~10%) FM Stereo
# Frequency Monitor output for EXT frequency counter
# INT & EXT modulation : AM, FM
# Internal Modulation : 1KHz audio signal
# External modulation : Input resistance less than 600Ω, Input amplitude less than 2.5V
# Output amplitude : 0~50mVrms, attenuation 20dB
# AUDIO SIGNAL GENERAYOR :
▪ Frequency : 1KHz 10%
▪ Distortion : ≤1%
# FM STEREO SIGNAL GENERATOR :
▪ Frequency : 88 ~ 108 MHz
# Frequency Monitor Output :
▪ Frequency : Same as RF Signal Generator
▪ Level : 50mVrms
f) Digital Multi Meter
# 4 7/8 digits LCD display with back light, dual display
# Multi function of ACV/DCV, ACA/DCA, R, Hz, Max/Min/Main, REL, Hold, dBm, diode test,
And continuity beeper test
# Manual or Auto ranging
# Overload Protection
# DC Voltage Range : 80mV, 800mV, 8V, 80V, 800V, 1000V
Accuracy : ±(0.03% rdg+3 digits)
# AC Voltage Range : 80mV, 800mV, 8V, 80V, 750V
Input impedance : 1MΩ series with 0.1µF
# DC Current Range : 80mA, 800mA, 8A, 20A
Accuracy: ±(0.2% rdg+10 digits) <800mA range & ±(0.5% rdg + 10
digits)> 8A range
# AC Current Range: 80mA, 800mA, 8A, 20A
Accuracy:
80mA, 800mA range 50Hz ~ 10KHz: ± (0.8% rdg+20 digits)
10A range 50Hz ~ 500Hz: ±(0.0% rdg+20 digits)
# Resistance Range: 800Ω, 8KΩ, 80KΩ, 800KΩ, 8MΩ, 80MΩ
# Capacitance: 1nF, 10nF, 100nF, 1µF, 10µF , 100µF
# Frequency hFE: 999099Hz ~ 1000.0MHz 
