Jewell DGL Series – AC Ammeters/Voltmeters

The moving coil, rectifier panel meters DGL 48/72/96/144 are housed in polycarbonate cases and are suitable for the measurement of AC currents and voltages. Moving coil rectifier instruments measure average values and are calibrated to indicate RMS values, assuming a sinusoidal waveform for frequencies from 40 to 10000 Hz (AC current – 40 to 1000 Hz and AC Voltage – 40 to 10000 Hz). These instruments offer several advantages in switchboards and generating set panels. A number of meters can be mounted in a panel cutout (mosaic mounting). The front glass, bezel, and dial can be easily replaced.

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Categories: Analog Panel Meters, Panel Meters & Avionics Tags: 90° scale, AC, ammeter, analog, damped, din series, linear scale, moving coil, rectifier, sapphire, spring-loaded, voltmeter

Additional information

Features	• Better Resolution • Less VA burden • Linear Scale • Glass-filled polycarbonate housing (UL 94-V-0) • Knife-edge pointer • Easily replicable glass and bezel
Movement	Moving coil movement has pivots of very high hardness. Movement is suspended between spring-loaded sapphire jewels. Movement is properly shielded and critically damped by eddy currents induced in coil former.
Case Options	• Antiglare glass front fascia • Red, yellow, blue, or white bezel color • Front adjustable on-site red index pointer • 0° to 180° position of use available on request
Dial Options	• Blank dial with initial and end values marked • Number or letter markings • Basic divisions without numbering • Red or green markings or bands
Other Options	• Increased sensitivity to 4kohm/V for voltmeters 1 – 600V, and 10kohm/V for voltmeters 15 – 150V • Resistance adjustment within ±1% at 23°C

Specifications

Mechanical

Case Details	Molded square suitable for mounting in control switchgear panels and machinery consoles.
Case Material	Polycarbonate, flame retardant, and drip-proof per UL 94-V-0
Front Fascia	Glass
Color of Bezel	Black
Position of Use	Vertical
Panel Fixing	Mounting clamps
Mounting	Stackable in a single cutout
Panel Thickness	≤25mm
Terminals	Voltmeters & Ammeters <10A: Hexagon studs, M4 screws and wire clamps, E3 (DIN 46282).

Electrical

Measured Quantity	AC voltage or current
Overload Capacity	Acc to IS: 1248/IEC 51
Continuously	1.2 times rated voltage/current
Short Duration	2 times, 5 seconds maximum: 1 overload 10 times rated voltage, 0.5 seconds maximum: 9 overload
Enclosure Code (IEC 529)	IP 52 - case cover IP00 - terminals without back cover IP20 - terminals with back cover
Insulation Class	Group A according to VDE 0110
Insulation Category	300 VCAT III
Rated Insulation Voltage	660V
Proof Voltage	2kV
Insulation Resistance	<50MΩ at 500 Vdc

Scale & Pointer

Model	DGL48	DGL72	DGL96	DGL144
Scale Length	70mm	106mm	142mm	230mm
Scale Characteristics	Linear
Scale Division	Coarse - Fine
Scale Interchangeability	Interchangeable
Pointer	Knife edge
Pointer Deflection	0-240°

Environmenal

Climatic Suitability	Climate category II as per IS:1248, IEC 60051 Climatic class III according to VDE/VDI 3540
Operating Temperature	-10° to +55°C
Storage Temperature	-25° to +65°C
Relative Humidity	≥75% annual average, non-condensing
Shock Resistance	15g_n for pulse duration 11ms
Vibration Resistance	10-55-10 Hz for amplification 0.15mm (1.5g at 50Hz)
Pollution Degree	2

Applicable Standards

IS 2419 DIN IEC 61554	Nominal case and cutout dimensions for indicating electrical instruments
IS 1248 DIN 43802	Scale and pointer for electrical measuring instruments.
IS 1248 DIN 43807	Connections and terminal markings for panel meters.
DIN 46200 DIN 46282	Terminal bolts/leads
IS 9249 DIN 40050 VDE 0110 VDE 0410 IEC 529/IEC 1010	Safety requirements and protective measures for electrical indicating instruments and their accessories.
IS 1248 IEC 51/DIN EN 60051 DIN 43701 IS 1248 IS 9000 VDE/VDI 3540	Performance specifications for direct acting indicating analog electrical measuring instruments and their accessories.
DIN 43718	Front frames for indicating measuring instruments principle dimensions
UL 94-V-0	UL combustibility class
DIN 43701	Technical conditions of delivery for electrical instruments
IS 1248 IS 9000 VDE 0411 IEC 1010	Mechanical strength (free-fall test, vibration test)

European Compliances

2004/108/EC	EMC directive
2006/95/EC	Low voltage directive
Amendment 93/68/EEC	For CE marking

Downloads

Datasheet

Jewell DGL Series – AC Ammeters/Voltmeters

Additional information

Specifications

Applicable Standards

Downloads

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