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|
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SO65/MO65/SO85/MO85
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SR65/MR65/SR85/MR85/MR100
|
SR96/MR96
|
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FOR AC V AND I MEASUREMENTS
:
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|
Choices of any 1 of ranges
of 10 mA, 25 mA, 30 mA, 50 mA, 100 mA, 250 mA, 300 mA, 500 mA, 1 A, 2
A, 5 A, 10 A, 15 A, 20 A, 25 A, 30 A, CT
operated for higher currents, 10 V,20 V, 30 V, 50 V, 60 V, 75 V, 100 V,
150 V, 300 V, 500 V and 600 V AC.
|
|
Sturdy movement with zero
adjustment from front.
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Fluid
damping to ensure dead beat movement.
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5V A burden.
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45 to 55 Hertz.
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Spade or knife edge pointer
with non linear scale.
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Flush mounting.
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FOR DC V AND I AND
TEMPERATURE MEASUREMENTS AND GALVANOMETERS :
|
|
Choices of any 1 of ranges
of 1 mA, 2 mA, 5 mA, 10 mA, 25 mA, 30 mA, 50 mA, 100 mA, 250 mA, 300
mA, 500mA, 1 A, 2 A, 5 A, 10 A, 15 A, 20 A,
25 A, 30 A, shunt operated for higher currents, 50 mV, 60 mV, 75 mV,
100 mV, 250 mV, 500 mV, 1V, 2 V, 5 V, 10 V, 15 V, 20 V, 25 V, 30 V, 50
V,
75 V, 100 V, 150 V, 300 V, 500 V, 600 V, galvanometers of 30-0-30G and
50-0-50G (sensitivity of 500-0-500µ A), 200° C (type J-Fe/con), 400° C
(type J-Fe/con), 600° C (type J-Fe/con), 800° C (type K-Cr/AI), 1000° C
(type K-Cr/AI), 1200° C (type K-Cr/AI) and 1600° C (type S-pt/pt-Rh
10%).
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Sturdy movement with zero
adjustment from front.
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Meter sensitivity 1000 ohms
per volt for voltmeters. 75 mV drop for ammeters.
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Spade or knife edge pointer
with linear scale.
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Alnico high flux density
magnets.
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Flush mounting.
|
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Shape
|
ROUND
|
RECTANGULAR
|
SQUARE
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Model no. for AC meters
|
SO 65
|
SO 85
|
SR 65
|
SR 85
|
--
|
SR 96
|
|
Model no. for DC meters
|
MO 65
|
MO 85
|
MR 65
|
MR 85
|
MR 100
|
MR 96
|
|
Over-all size
|
83mm dia
|
108mm dia
|
85mm (W) x 70mm (H)
|
110mm (W) x 86mm (H)
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117mm (W) x 100mm (H)
|
96mm (W) x 96mm (H)
|
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Panel cutout size
|
66mm dia
|
86mm dia
|
66mm dia
|
66mm dia
|
66mm dia
|
92mm (W) x 92mm (H)
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Mounting details
|
3 holes of 4mm  on 75 pcd
|
3 holes of 5mm at 96.5 pcd
|
4 holes of 3mm at 63.5mm x 49.5mm
|
4 holes of 3mm at 97mm x 73mm
|
4 holes of 4mm at 112mm x 90mm
|
Rear mounting bracket is provided.
|
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Inside depth
|
30mm
|
57.5mm
|
39mm
|
22mm
|
35.5mm
|
72mm
|
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Scale length
|
48.5mm
|
67mm
|
59mm
|
72mm
|
93mm
|
98mm
|
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Case material
|
Bakelite
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Bakelite
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ABS
|
Bakelite
|
Bakelite
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ABS
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Accuracy
|
± 2.5%
|
± 2.5%
|
± 2.5%
|
± 1.5%
|
± 1.5%
|
± 1.5%
|
|
Price for AC
meters (Rs.)
|
220/-
|
250/-
|
250/-
|
300/-
|
350/-
|
250/-
|
|
Price
for DC meters (Rs.)
|
300/-
|
350/-
|
350/-
|
400/-
|
450/-
|
370/-
|
|
Price for frequency
meter(Rs.)
|
-
|
-
|
-
|
-
|
-
|
500/-
|
Insulation Resistance: More than 20 mega ohms
between terminals and casing at 500V DC.
High Voltage Breakdown:
Capable of withstanding 2.5 KV r.m.s for one minute between terminal and
casing.
Damping Time:
Less than 4 seconds for pointier to come to within 1.5% of its steady state
value when signal of 2/3 rd of full scale value is applied.
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