| Portable
Instrument Multi-range & Multi-parameter (Medium Size with Baketlite housing) |
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DESCRIPTION |
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Protable Moving Coil DC, Moving Coil Rectifier type AC, Moving Iron AC ammeters & voltmeters and can be used in conjunction with transducers for measurement of frequency, power factor and low power factor wattage. Single phase dynamometric instrument is used for measurement of power at Unity Power Factor (UPF). |
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| FEATURES / ADVANTAGES | |
| • | Instruments with accuracy class 1.0, 1.5. |
| • | Instruments with multiple scale (refer table). |
| • | Robust housing suitable for schools, workshops, field operations, for continuous use. |
| ELECTRICAL SPECIFICATIONS | ||||
| MODEL | TYPE | SCALE | RANGE | ACCURACY |
 PORT- MSMB-1 |
MOVING IRON AC VOLT - AMMETER |
Quadruple | 0 - 62.5/125/250/500V
& 0 - 2.5/5/10/25A or 0-75/150/300/600V & 0-1/3/10/30A |
1% |
PORT-MSMB-2 |
MOVING COIL DC VOLT-AMMETER |
Quadruple | 0 - 0.075/15/150/600V & 0 - 1.5/15/75/150A (with 75mV shunt) |
1.5% |
 PORT MSMB-3 |
MOVING COIL DC & AC VOLTMETE |
Quadruple | 0 - 1.5/15/150/600V
DC 0 - 6/60/300/600V AC |
1.5% |
| FREQUENCY METER | Single | 45-55Hz or 55-65Hz
or 380-420Hz at Single Voltage 62.5/10V/220/440V |
1% | |
| POWER FACTOR METER 1 - Phase |
Single | 0.5 Lag - Unity - 0.5
Lead or 0.3 Lag-Unity-0.3Lead at Single Voltage 110V/220V/440V & Single Current 1A/5A |
2° | |
| POWER FACTOR METER 3-Phase - 1Element |
Single | 0.5 Lag-Unity-0.5 Lead
or 0.3 Lag-Unity-0.3 Lead at Single Voltage 110V/220V/440V & Single Current 1A/5A |
2° | |
| LPF WATTMETER 1 Phase |
Dual | 62.5V/ 125V to 300V/600V & 50mA/100mA to 5A/10A | 0.5% | |
| MODEL | TYPE | *POTENTIAL COIL (A) | CURRENT COIL (A) | ACCURACY | |
 PORT-MSMB-4 |
WATT METER 1Ph UPF |
SPSC | 75, 150, 300, 600 | 0.5, 1, 2, 2.5, 5, 10, 20 | 1.0% |
| DPSC | 75/150, 150/300, 300/600 | ||||
| TPSC | 75/150/300, 150/300/600 | ||||
| SPDC | 75, 150, 300, 600 | 0.5/1, 1/2, 2.5/5, 5/10, 10/20 | |||
| DPDC | 75/150, 150/300, 300/600 | ||||
| TPDC | 75/150/300, 150/300/600 | ||||
| * 62.5/ 125/ 250/ 500V INSTEAD OF 75 / 150 / 300/ 600 V - ON REQUEST. |
| Mechanical Specification | |
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| SIZE | HOUSING MATERIAL |
MODEL IDENTIFICATION |
SCALE | WEIGHT
kg. (Appro.) |
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| LENGTH mm |
WIDTH mm |
HEIGHT mm |
LENGHT mm (Appro.) |
DIVISIONS |
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| 240 | 185 | 120 | Bakelite | MSMB- | 150 | 80 ~ 120 | 3 |
| Ordering information |
| Ammeter / Voltmeter |
| 1) Type 2) Model 3) Range 4) Scale 5) Accuracy |
| Frequency Meter |
| 1) Type 2) Model 3) Range 4) Voltage 5) Accuracy |
| Watt / PF Meter |
| 1) Type 2) Model, Parameter,
Phase & Range 3) Operating Voltage & PTR 4) Operating Current & CTR. |