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AMMETER

Product Code: PHY-458
For D.C. measurements any single range 0-25, 50, 100, 150, 250, 500 mV.
   

AMMETER, MOVING COIL

Product Code: PHY-459
For D.C. measurements, any single range, 0-1, 1.5, 3, 5,10 Amp.
   

MILLI-AMMETER, MOVING COIL

Product Code: PHY-460
For D.C. measurement any single range, 0-1, 5, 10, 25, 50, 100, 250. 500 mA.
   

MICRO-AMMETER, MOVING COIL

Product Code: PHY-461
For D.C. measurements, any single range, 0-50, 100, 200, 250, 500 µA.
   

GALVANOMETER, MOVING COIL

Product Code: PHY-462
For D.C. measurements, Scale 35-0-35 or 50-0-50.
   

VOLTMETER, DUAL SCALE, MOVING COIL

Product Code: PHY-463
ForD.C. measurements, 1/5, 3/5, 5/15 Volts.
   

AMMETER, DUAL SCALE, MOVING COIL

Product Code: PHY-464
For D.C. measurements, 2.5/5, 1/5, 1.5/3, 5/10 Amps.
   

VOLTMETER, TRIPLE SCALE, MOVING COIL

Product Code: PHY-465
ForD.C. measurements, 3/15/30, 3/15/300 Volts.
   

AMMETER, TRIPLE SCALE, MOVING COIL

Product Code: PHY-466
ForD.C. measurements, 50mA/500mA/5A.
   

A.C. VOLTMETER, MOVING COIL

Product Code: PHY-467
Permanent magnet type with in-built rectifier, any single range, 0-30, 60 Volts.
   

A.C. AMMETER, MOVING COIL

Product Code: PHY-468

Permanent magnet type, with current transformer, any single range, 0-1, 3, 5, 10 Amps.
   

DIGITAL BENCH METER

Product Code: PHY-469
Digital meter for general purpose laboratory use housed in tough case use of a 3½ digit cover most of the ranges.
Display 13 mm characters.
Main operated
Accuracy ±0.3% typical
Linearity 0.2% typical
PHY-469.1 1.999 m AAC
PHY-469.2 19.99 m AAC
PHY-469.3 199.9 m AAC
PHY-469.4 1.999 AAC
PHY-469.5 199.9 µ ADC
PHY-469.6 1.999 ADC
PHY-469.7 19.99 mADC
PHY-469.8 199.9mADC
PHY-469.9 1.999ADC
PHY-469.10 19.99ADC

   

DEMONSTRATION METER

Product Code: PHY-470
A demonstration meter and may be converted to an a.c. or d.c. Voltmeter and ammeter with selection of various ranges for each mode. With a high quality moving coil, spring controlled movement with full scale deflection of 5 mA or 100 mV d.c The long pointer has a spade end and is clearly visible from a distance. Fitted in case with glass front and back. The instrument can be used with different dials to give different voltage and current ranges. All dials are interchangeable and each has a plug coupler to fit the instrument. The coupler connects appropriate resistors, shunts, or rectifiers to convert the instrument to the scales have clear bold figures and are marked on both sides to enable the lecturer also to observe the reading from the back of the instrument. A zero adjuster allows the instrument to be used for centre zero dials. One dial of range 50-0-50 mV d.c. is supplied with the instrument.
PHY-470.1 In wooden case.
PHY-470.2 In plastic case.

   

SPOT GALVANOMETER

Product Code: PHY-471
Very popular for use as a Null Detector for potentiometric set-ups and bridges. Housed in sturdy plastic case with in built lamp and scale arrangement, taut band type movement with Alcomax magnet, clamp and free arrangement for safe, transportation, easy replacement of the 6 V lamp, working on 220 V a.c. with internal transformer, With a 1, 1/10/1/100,1/1000, and short circuit
Galvanometer resistance 125 ohms
Current per mm deflections 5 x 10-8
Volts per mm deflection 6.25 x 10-6
Critical damping resistance 1000 ohms

   

BALLISTIC GALVANOMETER

Product Code: PHY-472
Useful for measurement of small quantities of electrical charge, the moving coil is suspended by a phosphor bronze strip, which carries an optically true concave mirror. The coil can be raised, lowered or set to zero by an adjusting knurled knob at top. A knob at back is provided for clamping and releasing the coil. With levelling screws.
  Resistance of coil Period Sensitivity
PHY-472.1 100 ohms 10-12 sec 180 mm
PHY-472.2 500 ohms 10-12 sec 400 mm

   

 
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