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CIRCUTOR
ANALOGUE INSTRUMENTS

ANALOGUE INSTRUMENTS

Product catalog summary

Introduction
This document provides an overview of analogue instruments used for measurement and control in control and distribution panels. These instruments facilitate quick and visual monitoring of electrical values without requiring data interpretation.

Product Selection Table
A comprehensive product selection table categorizes various analogue instruments based on specifications, type, range, size, class, and scale angle, aiding in selecting the appropriate instrument for specific applications.

Types of Analogue Instruments

Moving Iron Ammeters (AC): Measure alternating current using magnetic field repulsion.
Moving Iron Voltmeters (AC): Measure AC voltage similarly to ammeters.
Moving-Coil Ammeters and Voltmeters (DC): Use a magneto-electric system for measuring direct current and voltage.
Power Demand Meters: Measure alternating current and its maximum demand.
Frequency Meters: Available in pointer and reed types for measuring electrical signal frequency.
Wattmeters and Varmeters: Measure power and reactive energy, respectively.
Phase-Meters: Available in electronic and induction types for measuring phase angles.
Insulation Resistance Meters: Measure insulation resistance of electrical installations.
Hours Run Meters: Track operational time of equipment.

Technical Specifications

Assembly Position: Typically vertical with a tolerance of ±5º.
Temperature and Humidity: Maintain class between +10 and +30ºC and 25-80% non-condensing humidity.
Magnetic Field Influence: Accuracy maintained under external magnetic fields up to 0.5 MV.
Insulation Voltage: Rated at 2 kV, 50 Hz for 1 minute.
Overload Capacity: Can handle specific short-duration overloads.
Protection Degree: Standard IP 52 for instrument boxes and IP 00 for terminals, with optional higher protection levels.

Standards and Certifications
Comply with international standards such as IEC 51, VDE 410, DIN 43780, BS 89, UL 94, and EN 60051, and certified by Lloyd’s Register of Shipping.

Conclusion
Analogue instruments are essential for quick and visual monitoring of electrical parameters. The document provides detailed information on types, specifications, and standards, aiding in their selection and application.

Overview of Additional Instruments
The document also details specifications and coding for wattmeters, varmeters, phase-meters, and bidirectional protection wattmeters, used for measuring active/reactive power, power factor, and three-phase current.

Wattmeters and Varmeters
Wattmeters specify current input options and voltage options, with scale ranges for primary current transformers. Varmeters measure reactive power for single and three-phase circuits, with exchangeable scales for different power ratings.

Phase-meters
Measure power factor in balanced/unbalanced circuits, detailing voltage/current specifications, overload capacities, and operating conditions.

Bidirectional Protection Wattmeters
Protect generators against overloads and inverse power, featuring adjustable trip points, hysteresis, and delay settings.

General Specifications
Include class accuracy (typically Class 1.5), dimensions, weight, and IP ratings, with standards such as BS 89, EN 60051, and IEC 144.

Synchronization and Marine Applications
Includes specifications for voltmeters, frequency meters, synchroscopes, sequence meters, and related equipment.

Synchroscopes and Sequence Meters
SMC/STC Synchroscopes read frequency and phase angle differences without auxiliary power. UC/CUC Sequence Meters indicate phase order in three-phase systems.

Synchro MAX / Synchro MAX PID
Digital units with programmable parameters for synchronizing generators, featuring a 4-digit display and auxiliary LEDs.

Insulation Resistance Meter (MEG-1000)
Measures insulation resistance with a galvanometric indicator and timed output relays for resistance thresholds.

Hours Run Meter (CH)
Measures operational time with a mechanical display, providing data on start-up, operating, and production times.

Accessories and Options
Includes terminal covers, IP protection accessories, and options for tropicalization, anti-reflection glass, and interior lighting.

Standards and Compliance
All instruments comply with standards such as BS 89, EN 60051, IEC 144, UL 94, DIN 43780, IEC 51, and UNE 21318.

Catalog excerpts

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Measurement and control ©CIQCUTOQ

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Analogue instruments Analogue instruments In many applications, such as control and distribution panels, it is important to control the installation quickly and visu-ally, with no need to interpret data to de-tect the installation's status. CIRCUTOR offers a solution to these needs with this range of products. Analogue indicators are essential to display an instantaneous electrical value with a needle that moves through a graduated scale. Definition The main operation of these instruͭments is provided by the type of measurement system used, either a ferromagnetic system to measure al-ternating...

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Analogue instruments 777.7 the coil. This system is used to measure AC and DC voltage and current between 15 and 100 Hz and it measures the root mean square of alternating current. It can not be used to measure rectified and unfiltered AC currents.Magneto-electric (DC) The magneto-electric indicator is com-posed of a permanent central magnet, surrounded by a magnetic casing that guarantees the insensitivity to the exte-rior magnetic field and there is a mov-ing coil between both, where the nee-dle is fixed. Two spiral springs create the antagonistic pair to move the nee-dle on the scale zero....

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777.7 Analogue instruments tive instruments. In these cases, the scales are marked with the Fe symbol, followed by the plate's thickness. Auxiliary power supply The tolerance accepted for the nominal auxiliary power supply values is: voltage: -15 ... +10 % frequency: 45 ... 65 Hz Vibrations The instruments and their accessories support a minimum vibration with an amplitude of ±0.25 mm and a frequency of 50 cycles. Said vibration is equivaͭlent to the application of an acceleration equal to 2.5 g to the three perpendicular axes during 20 minutes. Degree of protection Under normal operating conditions,...

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777.7 Analogue instruments Moving iron ammeters (AC) Moving-coil Ammeter Analogue indicator to measure alternating current O No need for auxiliary power supply, only the CEC 96 type. O DIN boxes with dimensions: 48, 72, 96 and 144. O Precision class 1.5 O Measurement in true root mean square 100 mA ... 100 A O Exchangeable scales for EC48, EC72, EC96, EM 45, EC 72 FA, EC 96 FA O The alarm system can be fully configured for CEC 96 EC EM EZC EC FA CEC 96 with 2 relays 230 V ac Auxiliary power supply Consumption Frequency Input circuit 2.5 VA 40 ... 90 Hz Consumption 0.3 ... 1.5 VA 0.2 VA Frequency...

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Analogue instruments m Moving iron voltmeters (AC) Movingironvoltmeter Analogue indicator to measure alternating current O No need for auxiliary power supply, only the CEC 96 type O DIN boxes with dimensions: 48, 72, 96 and 144 O Precision class 1.5 O Measurement in true root mean square or V ... 600 V ac O Exchangeable scales for EC48, EC72, EC96, EM 45 O The alarm system can be fully configured for CEC 96 EC EM EZC EC F EC FN CEC 96 Auxiliary power supply 230 V ac Consumption - 2.5 VA Frequency - 40 ... 90 Hz Input circuit Consumption 1 ... 4 VA 0.2 VA Frequency 20 ... 100 Hz 45 ... 65 Hz Overloads...

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777.7 Analogue instruments Moving iron voltmeter (AC) Moving iron voltmeter Analogue indicator to measure alternating current o LU ■o (S O LU O 5 J3lB a 1 X X X X 0 0 X Coding table 1 X X X X Օ X X Code 0 1 E o Code 0 2 Internal Code Internai Code o N LU ■D (S  ai .C O) O .C 0) E o LU Setting Standard 1.2P 1P Standard 1P 1.2P Setting Standard 10 V) 0 Voltage input .../100 V 1 .../63.5 V 2 .../57.8 V 3 Scales (for 1000 1 equipment 3300 2 with inputs 6600 3 through the 13200 4 transformer 15000 5 and all ECs) 20000 6 22000 7 25000 8 1 X X X X Օ X ■a « « UJ Code T Internal Code Setting Standard...

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Analogue instruments m.i Moving iron voltmeter (AC) Moving iron voltmeter Analogue indicator to measure alternating current EC Fig-1 Fig.2 Fig.3 Fig.4 EZC ==N1 f M4 M4 % Me ^rn iFfl / en _HJ - 20..BOA \ra (solo ZC) 20 r m .1 11 \ IP20 Type Fig . EC a b c d e 48 mm 1 -3 48 44,7 61 5,2 45 72 mm 1-3-4 72 67,2 43,5 5,7 68 Type Fig . EZC a b c d e 72 mm 1 72 67,2 43,5 68 96 mm 1 96 91 43,5 5,7 92 Dimensions (mm) 96 mm 1 -3-4 96 91 43,5 5,7 92 144 mm 2 -3-4 144 137 64,5 7,3 138 Dimensions (mm) EC-FN / EC-F EM 45 13 <°J- m M4 m -נ Type Fig . EC a b c d e 72 mm 1-3-4 72 67,2 43,5 5,7 68 *0,8 96 mm 1-3-4...

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777.7 Analogue instruments Moving-coil ammeter (DC) Moving-coil ammeter Analogue indicator to measure direct current O No need for auxiliary power supply, only the CEC 96 type O DIN boxes with dimensions: 48, 72, 96 and 144 O Precision class 1.5 O Measurement in DC 25 uA ... 60 A, or ... 60 mV O Exchangeable scales for BC48, BC72, BC96, BM 45 O The alarm system can be fully configured for CBC 96 BC BM CBC 96 Auxiliary power supply 230 V ac Consumption - 2.5 VA Frequency - 40 ... 90 Hz Input circuit Consumption 60 mV 0.2 VA 1.2 /n permanent 1.2 /n permanent Overloads 5 /n during 30 s 10 /n during...

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