Meters with angular measuring mechanism М4272, М4276, М4278, М4273М, М4277М

These types of meters are provided with square front frames and square cases with angular location of the measuring mechanism.
Meters М4272, М4276 are manufactured with replaceable scales. When ordering, the letter (s) is added to meter designations.
To protect against contact with current-carrying rods, since 2017 meters М4276, М4277М, М4272, М4273М, М4276(s), М4272(s) may be supplied with protective caps KZ-4. The need of supply shall be specified in case of order.

Specifications

Documentation

Related products

Type	М4278	М4276 М4277М	М4272 М4273М
Overall dimension, mm	48х48	72х72	96х96
Panel cutout, mm	44.8х44.8	68х68	92х92
Scale length, mm, min.	38	57	93
Accuracy class	1.5	1.5	1.5
Weight, kg, maximum	0.12	0.2	0.28

М4272, М4276, М4278
measurement range	connection method	operation conditions
mA– 0.5; 1; 1.5; 2.5;3; 4; 5; 6; 10; 15; 20; 25; 30; 40; 50; 60; 100; 150; 250; 300; 400; 500; 600	Directly	Temperature -30...+50 °С. relative humidity 90 % at temperature +30 °С. Vibration strength: acceleration 5...30 m/s². frequency 10...70 Hz. Impact resistance: acceleration 50 m/s². frequency 10...50 impacts per min.. 2000 impacts.
А – 1; 1.5; 2; 2.5; 3; 4; 5; 6; 10*
А – 10**; 15; 20; 25; 30 40; 50; 60; 75; 100; 150; 200; 250; 300; 400; 500; 600; 750	With outer shunt for 75 mV and calibrated wires of 0.035 Ω
kA – 1; 1.5; 2.5; 4; 6; 10; 15
А – 200; 600	With outer shunt for 150 mV and calibrated wires of 0.035 Ω
kA – 1; 2; 3; 4; 5; 6; 8; 10; 15; 20; 30
V – 1; 1.5; 2.5; 4; 6; 10; 15; 25; 40; 60; 100; 150; 250; 300; 400; 500; 600	Directly
kV – 1; 1.5; 2.5; 3; 4; 6*; 10; 15	With outer multiplying resistor at rated current of 1 mA
* – for М4272 and М4276 only ** – for М4278 only

М4273М, М4277М
measurement range	connection method	operation conditions
μA – 40; 60; 100; 150; 250; 400; 600	Directly	Temperature -30...+50 °С, relative humidity 95 % at temperature +35 °С. Vibration strength: acceleration 5...30 m/s², frequency 10...70 Hz. Impact resistance: acceleration 50 m/s², frequency 10...50 impacts per min.
mV – 25; 40; 60; 100; 150; 250; 400; 600	With calibrated wires of 0.035 Ω

М4272(с), М4276(с)
measurement range	connection method	operation conditions
mA – 1; 1.5; 2.5; 4; 5; 6; 10; 15; 20; 25; 40; 50; 60; 100; 150; 250; 400; 600	Directly	Temperature -30...+50 °С. relative humidity 80 % at temperature +25 °С. Vibration strength: acceleration 5...30 m/s². frequency 10...70 Hz. Impact resistance: acceleration 50 m/s². frequency 10...50 impacts per min.
А – 1; 1.5; 2.5; 4; 6; 10; 15	Directly
А – 1; 1.5. 2; 2.5; 3; 4; 5; 6; 7.5; 10; 15; 25; 40; 60; 100; 150; 200; 250; 400; 600	With outer calibrated shunt for 60 mV and calibrated wires of 0.035 Ω
kA – 1; 1.5; 2.5; 4; 6; 10; 15
А – 1; 1.5; 2; 2.5; 3; 4; 5; 6; 7.5; 10; 15; 20; 30; 50; 75; 100; 150; 200; 300; 500; 750	With outer calibrated shunt for 75 mV and calibrated wires of 0.035 Ω
kA – 1; 1.5; 2; 3; 4; 5; 6; 7.5
V – 1; 1.5; 2.5; 4; 6; 10; 15; 25; 40; 60; 100; 150; 250; 300; 400; 500; 600	Directly
kV – 1; 1.5; 3; 5; 7.5; 10; 15	With multiplying resistor at rated current 5 mA
kV – 1; 2.5; 4; 5; 6; 10; 15	With multiplying resistor at rated current of 1 mA

Ordering examples

Ammeter М4272.1, 0...1 A, 1.5, g, TU 25-7504.132-2007

For ammeter М4272 having measurement range 0...1 A, accuracy class 1.5, horizontal operating position, dust-proof design with the special scale.

Ammeter М4272.1 Т3, 0...1 A, 1.5, g, TU 25-7504.132-2007

For ammeter М4272 manufactured for operation in tropical conditions having measurement range 0...1 A, accuracy class 1.5, horizontal operating position, dust-proof design with the special scale.

Ammeter М4272(s), 20-0-20 А, 75 mV, 1.5, v, TU 25-7504.132-2007

For ammeter М4272 with the replaceable scale, measurement range is 20-0-20 А with connection via the outer shunt for 75 mV, accuracy class 1.5, the vertical operating position.

For reference only:

v/g – vertical/horizontal operating position;

Б – dustproof and splashproof meter;

Т3 – operation in the tropical conditions;

(s) – replaceable scale design;

ОМ2 – meters for marine application (except for М4272(s), М4276(s), М4273М, М4277М).

М4272, М4276, М4278 Сertificate of conformity (jpg, 932.8 Kb ) View Download

М4273М, М4277М Сertificate of conformity (jpg, 399.2 Kb ) View Download

М4272, М4276, М4278 Manual (pdf, 922.9 Kb ) View Download

М4273М, М4277М Manual (pdf, 2.3 Mb ) View Download

Has been found to conform to requirements Russian Maritime Register of Shipping (pdf, 943.5 Kb ) View Download