The general features & function & mounting dimension of panel meter
General Features:
Standards:
ce certificate iec414 iec51
Cases:
ABS&PC material.
Protection degree(CEI 70-1,IEC 529)IP 52 for the case
protection degree(CEI 70-1,IEC 529)IP 00 for terminals.
Accuracy class
Alt the instruments are manufactured in 1.0 1.5 2.5 accuracy class (if no special indications). the precision for reduced scale instuments(F2-F3-F5) will be <20%,with stop time <2 second.
Overloads:
All amperometry circuits support an overload of 1.2 in continuous and 10 in during 5 seconds.
working voltage:650V
Test voltage:2000V-50Hz/60Hz,for 1 minute.
Insulation reference voltage 0.6 KV.
Working temperature:
20℃(±10℃)working range between -25℃ and +55℃.
Vibrations:
±0.25mm amplitude at 50Hz/60Hz (CE68-2-6).
Humidity:
Ambient relative humidity 85% without condensing,with 35℃ temperature for max.60days per year.yearly average humidity must be not higher than 65%(DIN 40040).
Tropical version:
95% relative humidity. for a maximum of 30 days per year.
mounting position:
the nomal execution of our instruments is for vertical mounting.It other mounting positions are known in advace,please indicate the angle of inclination when ordering.
Scales:
The full scale deflections correspond to DIN 43701.
the scale divisions correspond to DIN 43802.
Special Execution:
General features:
Tropical version
Red stroke at any point on the scale
Red stripe on the scale
Additional lettering
Anti-refiection glass
Internal illumination (when possible)
Test voltage higher than 2000V
Knife edge pointer and scale with mirror reading
Red pointer adjustable form the exterior
Scale for other ranges
Scale with double numbering
Scale with double sats of numbering divisions.
Moving iron voltmeters and ammeters::
Calibration for other ranges
Range for voltmeters differing form standard series
Range for ammeters differing form standard series
Ammeters with 2 in -3 in-5 in overload capacity
Two range voltmeters(3terminal)
Two range ammeters(3terminal)(max 10A)
Calibration for A.C and D.C (Max 50A)
separate resistance for 1000V and 1500V
Accuracy class 1 (only 50-60Hz)
Moving coil instruments:
Scale with zero point in the middle or displaced Range differing from standard series
Two /tthree/four range voltmeters
Two range ammeters(3 terminals)
Adjustment to other internal resistance ofr ammeters
Internal resistance for voltmeters from 1 to 600V 1000Q/V,10000Q/V,20000Q/V
Separate resistorbox for 1000V and 1500V
Suppressed zero Accuracy clss 1
Potentiometer adjustable from the exterior(±20% FSD)
Watteters:
Scale with zero point in the middle or displaced
Nominal current 5A(per element)
Double-triple voltage
Double current
Power factor meters:
Non-standard voltage
Reed frequency meters:
Non-standard voltage
Double volage(when possible)
Symbols of the main measuring units and the principals multiples and submultiples:
SYmbosl
Description
Electronic device in a measure circuit
Rectifier (instrument with A.C.input)
Shunt
Additional resistor
Zero setting device(of the field measure amplitude)
General accessories
Ground terminal
Positive terminal
Negative terminal
1.0 1.5 2.5 Class index(for ex.1)except when the conventional value corresponds to the scale length or to the indicated value or to measure range
SYmbosl
Description
D.C.circuit and /or measure mark which ccorresponds to D.C
A.C.circuit and/or A.C.measure mark which corresponds to A.C.
D.C.and /or A.C.circuit and /or measure mark which corresponds to D.C.and to A.C.
Testing voltage higher than 500V(for example 2KV)
Instrment to be used wiht vertical scale
Instrument to be used with scale inclined compared to the horizontal (for example 60° )-on request
Moving coil for D.C.instruments
Moving iron instrument for A.C.instruments
Bimetal instrument
Vibrating reeds instrument
Flushmountin with fixture :
Push on mounting :
Outline and mounting dimensions:
Model
A B C D E F
SF-144 144 140 138 17 65 43
SF-96 96 91 90 5.5 65 43
SF-72 72 67 66 55 65 43
SF-48 48 43 42 5.5 65 43

External Packing :
Model
Size(mm) Volume(m3) Gr.Wt(kgs) Nt.Wt(kgs) PCS(one carton)
SF-72-3 44X39X35.5 0.0609 17 15 100
SF-96-3 53.5X38X43 0.0874 23 21 100
SF-80 47X38.5X37.5 0.0679 17 15 120
SF-65 47X38.5X37.5 0.0679 17 15 120
SF-72-6 42.5X42X52.5 0.0948 17 15 100
SF-96 Foam 53.5X46.5X38.5 0.0958 25 23 100
SF-96-8 49.3X22.3X52.3 0.0577 17 15 50
SF-72-8 49.5X34.5X41.5 0.0709 23 21 100
SF-62T2 47.5X37X44 0.0773 25 23 100
SF-60 SF-48 45.2X35X37 0.0585 18 16 200
SF-50 45X28X29 0.0365 16 14 200
SF-52 47X38.5X37.5 0.0679 17 15 200
SF-72 foam 43.5X38X48 0.0793 20 18 100
SF-670 47X38.5X37.5 0.0679 17 15 200
SF-96-6 42.5XX42.5X52.5 0.0948 23 21 100
MFO-30 41X30X24 0.0296 28 27 60
MFO-40 44X30X24 0.0296 28 27 60
MFO-60 43X28X28.5 0.0344 24 23 32
MFO-100 46X35X33.5 0.054 25 24 30