Advanced Technocracy Inc.
Grain Market, Ambala, Haryana
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Meters Ballastics And Spot Galvanometer

Pioneers in the industry, we offer round panel meter d.c a grade model mo-65 (without stand), meter desk stand, double scale meter model, a.c. moving coil meter model mo-65, rectangular panel meter model mr-100 (without stand) and d.c. galvanometer model mr-100 (without stand) from India.

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  • Over all size of the bakelite panel is about 82 mm dia with dial of about 57 mm dia.
  • Scale length is about 47_mm + 2mm.
  • Accuracy ±1.5% F.S.D. with anti parallax mirror but without desk stand.


Type Common Ranges
a) D.C.Ammeter 1.5,2.5,3,5 Amps.
b) D.C. Ammeter 10,15 Amps.
c) D.C. Ammeter 20,25,30 Amps.
d) D.C. Milliammeter 1,5,10,50,100,250,500,750 or 1000 mA
e) D.C.Microammeter i)0-25uA      ii) uA0-50
iii)0-100uA iv)0-250,uA300
v)500uA      vi)uA1000
f) D.C.Voltmeter 3,5,10,50,100,250 or 300 Volts
g) D.C.Millivoltmeter i)25mV
ii)50,100,250,500mV

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All ABS moulded (unbreakable) in conveniently inclined face fitted with two heavy lock type terminals and heavy Lead wires. From Bottom side it is closed with unbreakable plastic plate.
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The conventional 'A' grade round panel meter of overall size of 85mm dia is mounted ona suitable desk- stand described under Catalogue No. 303 with 3 terminals. One terminal is common and the other two provide two different ranges. Supplied with stand. Some common ranges are listed below:
Description
1.5/3, 7.5/15, 15/30, 30/60 V or 1.5/30V.
10/100, 25/250, 50/500 or 100/1000 mA
2.5/5, 5/10, 10/20 Amp
50µA/25mA, 60µA/15mA
250mA/2.5mA

 
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A' grade panel meter of overall size 82mm dia (Model MO- 65) mounted in beautiful deluxe desk stand, hand calibrated accuracy1.5% F.S.D.

Description
0-1, 1.5, 2.5, 3,5, 10 Amp.
10,25,50,100,250, 300 & 500 mA
3V or 5V
10V, 25V or 50V
100,300,500,600V
100,300,500,750 µA

 
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Special Features: 

•Housed in ABS non-breakable case with clear transparent high impact acrylic front cover. (Stand notincluded) 
•Fitted at front with zero adjuster. 
•Knife edge pointer with anti parallax mirror for accurate readings.
•The slanting front of meter inclines the 45º scale permitting of it to be read with equal ease from eye level also. 

Technical Data :

•Scale Length : 95×65mm 
•Accuracy : ClassIndex 1.5% 
•Acrylic Meters may be subjected to wide variations in  temperature or remain in the circuit continuously without seriously affecting the accuracy.
• Allacrylic meters are manufacturedand calibrated in a modern air-conditioned and state-of-the-art plant which has been designed and built speciallyfor this work. These meters are guaranteed to perform satisfactorily All.our MR-100 meters are provided with anti-parallax mirror but without deskstand.

Type Common Ranges
D.C. Ammeter  1, 1.5,2.5,3.5 Amps.
D.C. Ammeter 10,15 Amps
D.C. Ammeter 20, 25, 30 Amps.
D.C. Milliammeter 1,5,10,50,100,250,500 or 750 mA 
D.C. Microammeter i) 0-25µA or 0-30 µA,ii) 0-50mA,iii) 0-100µA,iv) 0- 250, 300µA,v) 500µA, 1000µA 
D.C. Voltmeter 3,5,10,25,50,100, 250 or 300 Volts 
D.C. Millivoltmeter 0-25, 50, 100, 250, 500 or 750mV 
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It is widely used because it is very compact, economical and user friendly, with dial reading 30-0-30 or 50-0-50 (available with different sensitivities) .The portability, rugged construction, large clear scale & economically priced galvanometer is ideal for student's experiment. Its sensitivity of 20uA/div. is particularly suitable for slide wire bridges, potentiometers & experiments on induced  e.m.f. Galvanometer with different sensitivities are listed in the table. Supplied without stand.

Sensitivity
20µA/division
10µA/division
5µA/division
2µA/division
1µA/division 
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Meter Desk stand for Model MR-100, non breakable stand moulded from first quality ABS heavy type, fitted with very fine quality (highly insulated) locked type terminals. Extra ordinary superior quality.
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The almost universal use of Alternating Current (A.C.) in  electric power transmission and consumption suggests that more time should be devoted to teaching the principles of A.C. in elementary physics. Student interest quickens when  the practical advantage of A.C are shown.  A.C. Acrylic meters for  teaching and are especially suitable for use by students. These are economical, ruggedly constructed, have ample precision and are available in all commonly needed ranges. All our A.C. Rectangular panel meters are provided with stands.

Common Ranges
0-250, 300, 500mA or 0-1, 1.5, 2.5, 3, 5, 10 A
1-100 m Amp (any one single range)
3V or 5V
10V, 25V, 50V
100, 300, 500, 600V
100, 300, 500, 750mA
 
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Ohm Meter is designed for measuring the resistance in electronics circuits. The MR-100 model meter is used for ohm meter. The chasis is made from thick steel sheet with Aluminium top. The dry battery cell is fixed to chassis from the bottom side with the help of perspex sheet. The dry cell can easily be replaced by removing two steel screws.

Description
Series Type 0-25 ohm
Series Type 0-2000 ohm 
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Ranges
Range 1 µΩ to 19.99Ω in 5 decimal ranges.
Range 1 µΩ to 19.99 KΩ in 8 decimal ranges.
Range 1 µΩ to 19.999 KΩ in 8 decimal ranges.
 
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Student can perform two different experiments of Faradays Law by using the selector switch.How induced emf is by the moving  a magnet in/out of a coil With the galvanometer and the second is with LED's. Kitis provided with a coil copper wire, LED'S, bar magnet and deluxe model meter MR- on stand.
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Display 3½ digit,12.5mmheight, 7 Segment LED type
Auto Polarity Resolution 1in±1999counts
Over Range Indication Available3leastsignificant digits, gets blanked in over- range condition.
Stand Mounted in a beautiful ABS unbreakable cabinet.

Built in mains operated power supply workable on 230VAC±10% VAc, 50Hz.







 

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3½ Digit LCD, 9Volt Battery operated having following ranges.

D.C. Volts
199.9mV, 1.999V, 19.99V, 199.9V, 1000V

D.C. Amps
1.999mA, 19.99mA, 199.9mA, 1.999A, 19.99A 


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MOVING COIL METERS D.C. SINGLE RANGE :

Choice of any range

a) DC VOLTMETER / MILLI VOLTMER 50mV,: 100mV, 250mV, 500mV,1V,5V,10V, 25V,50V,100V, 250V, & 500V ;
b) DCAMMETER/ MILLIAMMETER / MICROAMMETER : 50A,100 A,250 A, 500 A, 1mA, 10mA, 50mA, 100mA, 1A, 5A, 10A & 25A
c) DOUBLERANGE :Choiceofany2 rangesinVolts/Amps. Inratioof 1:2
d) TRIPLERANGE Choice:ofany3rangesinVolts/Amps ratioof1:2:4Accuracy:±1%F.S.D

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  1. a Add extra in Volts ranges from 5V to 500V
  2. b Add extra in Amps. Range from 50mA to 10A Accuracy: 1% F.S.D.

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a) AC/DC VOLTMETER:5V,10V,25V,50V, 100V,250V& 500V
b) AC /DC AMMETER / MILLI AMMETER500mA, 1A, 2.5A, 5A,10A & 25A
c) DOUBLE RANGE Choice: of any2 ranges in Volts/Amps. Inratio of 1:2
d) TRIPLE RANGE Choice:of any 3rangesin Volts/Amps in ±ratio of 1:2:4Accuracy :± 1%F.S.D.

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Choice of any Single Current range of 0.5A, 1A, 2.5A, 5A & 10A. 
Choice of any Voltage Range of 50V,100V,125V,250V & 500V.
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Element,For 3 Phase 3 Wire Balance & Unbalance Load



Choice of Current
1A or 5A

Choice of Voltage
110V & 440V 


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Elements, For 3 Phase 4 Wire Balance & Unbalance Load



Choice of Current
1A or 5A

Choice of Voltage
110V & 440V 


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Moving Iron/mc With Transducer

Rated Voltage
115V/230V/440V (Single Phase

Frequency Range
45-50-55 Hz, 40-56-60 Hz

Test Voltage
2000 Volts A.C. 
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Applications: Spot Galvanometer finds extensive use as a D.C. null detector in wheat stone bridges and potentiometers.
Mains feed:It is a' mains' operated instrument but can operate on a 6 volt battery also. There is provision to operate this instrument can be operated on both as well as main supply 220 volts, 50Hz or 6 Volt Capacity.
Light Source:The light Source is 6 Volt and 0.3Amp bulb giving a bright spot on the scale. 
Construction: The galvanometer has built in lamp and scale arrangement and housed in a bakelite case.The highly sensitive moving coil system is suspended in a taut band manner in a uniform field of permanent magnet.
Scale:The scale is 150mm long and end zero use. 
Zero Adjustment: The spot of light can be set at any point on the scale with the help of zero adjusting knob.
Sensitivity Control: The sensitivity is controlled by a 2-pole,6 way switch. The switch Positions are D,1/10,1/100,1/1000 and s/c 

Working Voltage  :  220VAC 
Time Period        :  2 seconds

Galvanometer Resistance In ohms
100 ohms

600ohms

Critical Damping Resistance
1000 ohms
7000 ohms

Sensitivity Voltage
0.04 to 0.05 µA per mm deflection
0.04 µA per mm deflection 


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Incorporates the following features.

  • - These galvanometer are rigid in construction beautiful in design and easy to operate, with large periodic time.
  • - Large moment of Inertia of the moving part of the galvanometer.
  • - Deflection closely proportional to the electric charge
  • - Ballistic Galvanometers undergo strict laboratory check before dispatch and are suitable for direct deflection measurements which are closely proportional to the current.
  • - These galvanometers can be used both PERIODIC as well as APERIODIC instruments.
  • - An arrangement is providedto make it APERIODIC by introducing a suitable resistance in parallel with the moving coil system.
  • - Zero adjusting and locking devices are provided.ThePhosphor-bronze suspension strip prevents shifting of zero.
  • - The moving coil carries a specially polished front silvering concave mirror of 100cm. focal length, suitable for use with Lamp and Scale Arrangement.

Resistance
Galvanometer Resistance 100 Ohms and Time period Approximate 10-12 Seconds. 

Galvanometer Resistance 500 ohms and Time period Approximate 10-12 Seconds. 
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Advanced Technocracy Inc.

Kunal Chopra (CEO)
ATICO House, 5309 Grain Market, Near B. D. Senior Secondary School Aticoindia@gmail.com
Ambala - 133001
Haryana, India
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