Datasheet
Data Sheet
420.D.101.10
K Series
Analog Meters with
Moving-Iron Movement
90° Dial
Accuracy at Reference Conditions
accuracy class 1.5 according to DIN EN 60 051 -1
reference conditions
ambient temperature 23°C
position of use nominal position ±1° '
input rated measuring value
wave form sinusoidal, distortion factor
5%
frequency 45 ... 65 Hz
others DIN EN 60 051 - 1
influences
ambient temperature 23°C±2K
position of use nominal position ±5°
frequency 15 ... 100 Hz (voltage)
15 ... 400 Hz (current)
stray magnetic field 0.5 mT
Environmental
climatic suitability climatic class 3 acc. to VDE/VDI 3540 sheet 2
operating –10 ... +55°C
temperature range
storage –25 ... +65°C
temperature range
relative humidity
75% annual average, non–condensing
shock resistance 15 g, 11 ms
vibration resistance 2.5 g, 5 ... 55 Hz
Rules and Standards
DIN 43 718 Measurement and control; front - frames and
frontpanels of measurement and control
equipment; principal dimensions
DIN 43 802 Line scales and pointers for indicating
electrical measuring instruments;
general requirements
DIN 16 257 Nominal positions and position symbols used
for measuring instruments
DIN EN 60 051 Direct acting indicating analogue electrical
measuring instruments and their accessories
–1 Part 1: Definitions and general requirements
common to all parts
–2 Part 2: Special requirements for ammeters
and voltmeters
–9 Part 9: Recommended test methods
DIN EN 60 529 Enclosure codes by housings (IP- code)
DIN EN 61 010 - 1 Safety requirements for electrical measuring,
control and laboratory equipment
Part 1: General requirements
DIN EN 61 326 - 1 Electrical equipment for measurement, con -
trol and laboratory use – EMC requirements
Part 1: General requirements
DIN IEC 61 554 Panel mounted equipment –
Electrical measuring instruments –
Dimensions for panel mounting
VDE/VDI 3540 sheet 2 reliability of measuring and control
equipment (classification of climates)
Options
case
window non–glaring glass
colour of bezel gray (similar to RAL 7037)
index marking pointer red, front adjustable
position of use on request 15...165°
marine application non–certified or
type approval by ”Germanischer Lloyd”
terminal safety protection
full–sized rear cover (except direct–connected ammeters > 25 A),
protective sleeves to go on hexagon studs and M4 screws with wire
clamps E3
protection against accidental contact (hand and fingers)
acc. to VBG 4 / DIN 57 106, sec. 100
dial
non–calibrated with dial symbols
blank dial pencil–marked on initial and end values
scale division 0 ... 100%
and figuring
linear scale division non–standard captions on request
additional lettering on request e.g. ”generator”
additional figuring on request
coloured marks red, green or blue for important scale values
coloured sector red, green or blue within scale division
logo on the dial none or on request
overload scaling no overload range or
(ammeters) overload range 5 times rated current
dial illumination dial translucent
for EQ 72/96 K 1 lamps 6 V, 12V, or 24 V
for EQ 144 K 2 lamps 6 V, 12 V, or 24 V
for EQ 72/96 K 1 pluggable LED 24V DC / 0.4W
for EQ 144 K 2 pluggable LEDs 24V DC / 0.4 W
for EQ 48 K internal LED 24V DC
for EQ 72/96 K internal LED 24 V DC
for EQ 144 K internal LED 24V DC on request