04-Analogue Instruments
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Analogue instruments register a value to be measured and show it on an analogue display, usually by a pointer on a scale. So the value is displayed in a stepless and continuous way. In opposition to digital displays, instabilities and tendencies of a value can be recognized faster and more intuitively on an analogue display. On the other hand at analogue displays exact numerical values are more difficult to read compared to a digital instrument (reading error). Analogue instruments are on hand for a broad band of electrical values. They are available in the standardized dimensions 48x48mm, 72x72mm, 96x96mm and 144x144mm, as well as in various rectangle executions. Technical Features Alternating Current instruments (AC) Moving iron instruments Moving coil instruments with rectifier Volt- / Ammeter with switch Maximun demand indicators Triple- / quadruple instruments Power / Power factor meter Phase sequence indicators Frequency instruments Synchronization instruments Direct Current instruments (DC) Moving coil instruments Contact instruments Other types on demand

ANALOGUE MEASURING INSTRUMENTS ANALOGUE MEASURING INSTRUMENTS

Ambient temperature: Storage temperature: Reference temperature: Relative humidity: Climate Class 2: External Magnetic field: Technical Features -10 ... +55 °C -25 ... 65 °C +23° C 75 % annual average, non-condensing according to VDE/VDI 3540 0.5 mT 0.4 kA/m lesser than 6% of the reference value for EQ..n/EQD..n Accuracy class according to IEC- 60051 and EN- 60051: Moving iron panel instruments (EQ..n) Class 1.5 Frequency range Voltmeter: 15 ... 100 Hz Frequency range Ammeter: 15 ... 400 Hz Bi-metallic instruments (BIQ..n / BOQ..n): Class 3 for bi-metallic meter movements and class...

General Purpose Technical Features The instruments are calibrated - if not indicated differently - for vertical purpose (pos.2). Other purposes, horizontal or diagonal, under indication of the angle against the horizontal are considered on demand. The exact storing of the instruments enables installation positions in all angles. Nominal position upright position across position inclined position (Installation angle indicate to the across position, for example 60°) Standard execution: Cross scale, vertical installation Instruments for table installation, nominal and cut-out dimensions and...

Technical Features (rectangular type line) DIN 43701 DIN 43718 DIN 43780 DIN 43802 Testing voltage according to VDE/VDI 3540 -25...+40° C according to DIN 43780 -25 ... +65° C +23° C 75 % annual averagel, non-condensing according to VDE/VDI 3540 -10 ...+55° C according to VDE/VDI 3540 Instructions DIN 43700 Instruments for table installation, nominal and cut-out dimensions Electrical control panel measuring instruments Front frame and front plates Performance specifications for direct acting indicating instruments and their accessories Scales and pointers for electrical...

The instruments are calibrated - if not indicated differently - for upright position (pos.2). Other positions across or inclined, under indication of the angle against the horizontal are considered on demand. The exact storing of the instruments enables installation positions in all angles. Position sign Nominal position upright position inclined position (Installation angle indicate to the across position, for example 60°) When ordering the installation position and the scale adjustment (Cross scale or horizontal) have to be indicated appropriate to the image above. 120° Installation...

Execution for DIN rail mounting (EQ35p) max. 0,5 VA max. 0,5 VA max. 2,5 VA max. 2,5 VA max. 2,5 VA Moving iron panel instruments are predominantly used in the usual technical frequency range 15...100 Hz for alternating current and alternating voltage measurements in the ordinary technical frequency range 15...100 Hz. Moving iron instruments practically show independently of the wave form -also at high harmonic content - the effective value of the alternating current. In order to avoid overloads when starting the engines aminstruments are generally delivered with overload scales 2xIn /=100...

Standard Measuring Ranges Connection diagrams For connection to voltage transformer .../100 V secondary .../110 V secondary Other measuring ranges on request. AC Current Voltmeter: Ammeter: L1 N (L2) L1 N (L2) ANALOGUE MEASURING INSTRUMENTS 04 Housing dimensions of square moving iron instruments

EQP Moving iron panel instruments Profile instruments for alternating current or voltage 15 - 100 Hz ■ Class 1.5 according to DIN 43 780 ■ Upright or across installation Prim.Rated Voltage Moving iron panel instruments are predominantly used for alternating current and alternating voltage measurements in the usual technical frequency range of 50 up to 100 Hz, in special calibration up to 1000 Hz. When measuring direct voltage or current there is on additional errors of approximately 1 %. Moving iron instruments indicate independently of the wave shape - even at high harmonic content - the...

Standard Measuring Ranges Connection diagram For connection to voltage transformer Other measuring ranges on request. AC Current Voltmeter: For connection to current transformer Housing dimension of rectangular moving iron instruments L1 N (L2) Ammeter: L1 N (L2) ANALOGUE MEASURING INSTRUMENTS 04

PR / PAR Moving coil instruments with rectifier For direct measurement of the alternating current and voltage or For connection at the current and voltage transformer Description These instruments do have the same features as the type PQ (see on page 4/35), but are equipped with a rectifier. Thereby, it can be measured an alternating voltage or current up to 600 mA between 25 and 1000 Hz. For aminstruments of 1-5 A: Frequency not exceeding 50-60 Hz. (on request 400 Hz). These instruments measure effective values at sinusoidal alternating currents and voltages. Other kind of currents on...

Standard Measuring Ranges Connection diagrams For connection to voltage transformer .../100 V secondary .../110 V secondary *At PR48n/PAR48n with external transformers ANALOGUE MEASURING INSTRUMENTS 04 For connection to current transformer .../1 A secondary* .../5 A secondary* Housing dimensions of quadratic moving coil instruments with installed rectifier 1 26 mm with fixing screws