Switchgear analog panel ammeter voltmeter 72*72mm

Item No.: SJ-72
SJ-72 Overall dimension:72×72mm
Switchgear analog panel ammeter voltmeter 72*72mm are widely used in various railways, DC transmission and distribution systems, power control panels and other electrical equipment for maritime ships, rail transit, chemica
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Description

Switchgear analog panel ammeter voltmeter 72*72mm

I.Usage and application:
This course of instruments directly imitates the display of electric power measurement indications, measure DC power current, voltage, AC current, voltage, frequency, power factor, phase sequence, power, harmonisation indication and other non-electricity measurements. It is extensively used in a variety of railways, DC power transmission and distribution systems, power control panels and other electrical equipment for maritime ships, railway transportation, chemical explosion-proof, low-voltage complete sets of kit, construction equipment, generator sets, machinery and other industries. Acting on electrical measurement and non-electrical measurement, it is just a general-purpose medium and high-grade instrument suited general requirements of ecological conditions. Switchgear analog panel ammeter voltmeter 72*72mm
II.Standards and certifications:
The specific analog panel meter is conform to GB/T7676-1998, the digital display instrument is produced according to GB/T22264-2008 standard, and its security performance is produced in accordance to GB4793 and IEC61010 standards. The size and pointer design of the dial conforms to the German DIN43790 and DIN43802 standards. The condition and opening size of the meter are usually in line with GB/T1242 and IEC61554 requirements.

III.Analog panel meter shells:
The particular CT series base is constructed of flame retardant TBT plastic-type with a Vicat temp of 130 °C. Typically the outer casing is made of flame-retardant ABS plastic material with a Vicat temp of 85 °C.Switchgear analog panel ammeter voltmeter 72*72mm
IV.Temperature-induced change:
The particular reference temperature is 23°C ± 2 °C, 13 °C ~ 23°C and 23 °C ~ 33 °C temp range, the temperature change allowable change is not greater than ±100% completely of the grade catalog.
V.Installation location and installation method:
Except if otherwise specified, the inmiscuirse is usually installed in a vertical position. Additional installation locations such as: horizontal installation, tilt unit installation can be made based on customer requirements. Typically the accuracy amount of the answer is simply valid for the specified installation location. The particular meter is split up into a right angle of 90° and a broad angle of 250 °, two angles of indicator.Switchgear analog panel ammeter voltmeter 72*72mm
VI.Resistance to vibration and shock:
Anti-vibration: in accordance with IEC60068-2-6 standard; sweep frequency selection: 10-55-10Hz; displacement amplitude: ±0. 15mm, ±0. 3mm. Mop cycle number: 5 periods; sweep rate: 10ct/min;highest acceleration: 147m/s2 (15g), 490m/s2 (50g). Acceleration effective benefit: 6. 06g; Vibration moment: 15min. Anti-mechanical impact, inside line with IEC60068-2-27 regular.
VII.Accuracy level:
CT series pointer meter: AC and DC voltmeter and ammeter are 1.5 or 2.5, the power meter is 2.5, the frequency meter is 2.5, and the power factor meter is 2.5.
VIII.Overload current meter:
Typically the overload multiplier is traditionally 1x and 2x overburden multiples, which is often personalized to 1x, 2x, 3x,and so forth by the user. The role is to reveal the approximate value of the instantaneous overload current, including the starting current when the motor starts.Switchgear analog panel ammeter voltmeter 72*72mm
IX.External current shunt:
Typically the DC current meter has a shunt voltage decline specification of 150mV, 100mV, 75mV, 60mV and 50mV, which is often custom made by users. The wire resistance of the meter and the shunt is required to be within 15~25mΩ to ensure the accuracy of the meter.
X.Surface dial:
Surface area dial: Made of aluminium alloy, white paint, dark-colored ink or laser print out. The dial can be custom-made in line with the customer's trial oder(multiple color overprinting can be customized). The lustrous table dial uses a PC board.
XI.Zero regulator aspect:
Apart from the mechanical zero reading instrument, all other devices have a front absolutely no adjuster for adjusting the mechanical zero position of the instrument.

XII.The main technical parameters

Name

Code

Accuracy

Commonly used specifications

Remarks

AC ammeter

A

2.5

0.5-50A

Direct connection

AC ammeter

A

2.5

10/5A-800/5A

Passing secondary current through current transformer

AC ammeter

KA

2.5

1KA-10KA

Passing secondary current through current transformer

AC voltmeter

V

2.5

10V-600V

Direct connection

AC voltmeter

KV

2.5

1KV-35KV

Passed the voltage transformer, the secondary voltage is 100V

DC ammeter

uA mA

2.5

50uA-500uA
1mA-500mA

Direct connection

DC ammeter

A

2.5

1A-15A

Direct connection

DC ammeter

A

2.5

15A-750A

Connect with external shunt 75mV,60mV,50mV

DC ammeter

KA

2.5

1KA-3KA

Connect with external shunt 75mV,60mV,50mV

DC voltmeter

V

2.5

3V-600V

Direct connection

DC voltmeter

KV

2.5

1KV-3KV

External fixed resistance is attached

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