Descriere
STANDARD RESISTORS
On request various values and precision described below and boxes containing several values at your choice
Included certificate of calibration of our laboratory
Fixed value standard resistances
high-accuracy used as standard in laboratory.
SAMAR certificate of calibration is supplied with each standard resistor.
The standard production includes sample resistances multiple of 10.
-
Long term stability: +/- 10 ppm per year
-
Resistances from 0.0001? to 10? are 4 terminals
-
Resistances from 100? to 10M? are two electrolytic copper terminals with 2 screws, one for current and one for voltage
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The potential terminals are screwed with plug connection.
-
Current terminals are of electrolytic copper widely sizeable.
|
Type |
Nominal Value
O |
Max Current in Air, A |
Max Current in Oil, A |
Power dissipation in Air, W |
Precision %
t= 20 ± 0,5 °C |
Max deviation from nominal value
t= 20 ± 0,5 °C |
|
RC80/1 |
0,0001 |
300 |
600 |
9 |
± 0,01 |
± 0,05 |
|
RC80/2 |
0,001 |
75 |
200 |
5,6 |
± 0,01 |
± 0,02 |
|
RC80/3 |
0,01 |
30 |
70 |
9 |
± 0,005 |
± 0,01 |
|
RC80/4 |
0,1 |
5 |
15 |
2,5 |
± 0,002 |
± 0,005 |
|
RC80/5 |
1 |
1,5 |
4 |
2,25 |
±0,002 |
± 0,005 |
|
RC80/6 |
10 |
0,5 |
2,5 |
2,5 |
± 0,002 |
± 0,005 |
|
RC80/7 |
100 |
0,2 |
0,5 |
4 |
± 0,002 |
± 0,005 |
|
RC80/8 |
1.000 |
0,07 |
0,15 |
5 |
± 0,002 |
± 0,005 |
|
RC80/9 |
10.000 |
0,015 |
0,03 |
2,25 |
± 0,002 |
± 0,005 |
|
RC80/10 |
100.000 |
0,005 |
0,01 |
2,5 |
± 0,005 |
± 0,01 |
|
RC80/11 |
1.000.000 |
0,0005 |
0,01 |
0,25 |
± 0,005 |
± 0,02 |
|
Alte produse SAMAR
DECADA REZISTENTE DE PRECIZIE SAMAR CR-E
• DECADES BOXES OF RESISTANCE with switch precision 0.1% at terminals
• Calibration precision: ± 0.02 %
• The precision shown refers to the terminals and therefore is total resistance included the resistance of zero
• Resistors are in manganine wire (temperature coefficient ± 10 ppm/°C) wrapped in ant-inductive way.
• Thanks to an opportune seasoning process the long term stability is ensured: : 10 ppm in the first year and max. 20 ppm in three years
|
REFERINTA STANDARD DE TENSIUNE FIXA DE PRECIZIE PENTRU CALIBRARE SAMAR SC51/SC52
• REFERENCES DC VOLTAGE STANDARD
• certificate of calibration of our laboratory
• DC voltage reference standard providing standard cell accuracy for use in measuring laboratories.
• Nominal e.m.f.: 1.01865 calibration 5°/ 6° decimal digits
• Precision: ± 50 µV / ± 25 µV
• max output current: 1 mA continuative
• stability: < 10 ppm/month with working temperature 15 - 25 °C and relative
• humidity 45-85%
|
DECADA INDUCTANTE DE PRECIZIE SAMAR CI
• certificate of calibration of our laboratory
• DECADES BOXES OF INDUCTANCE with switch
• Copper coils wrapped in air Precision to1.000Hz at terminals ±1%
• ON REQUEST BOXES AT VARIOUS SECTIONS AND TO 1 OR 2 DECADES
|
CAPACITOR STANDARD DE VALOARE FIXA SAMAR CC-E50
• Values from 1nF to 1µF
• ON REQUEST DIFFERENT VALUES FROM THE ONES SHOWN
• Nominal voltage : 500Vdc
• Temperature coefficient: - (100 ± 50) x 10-6 /°C
• Test voltage: 2,000Vdc
• Insulation resistance: 500,000 MW
• Precision: ± 0.5 % at 1,000 Hz, between terminals
|
DECADA CAPACITATI DE PRECIZIE SAMAR CC-B
• certificate of calibration of our laboratory
• DECADES BOXES OF CAPACITY with switch precision 2% at terminals
• Polypropylene capacitor
• Tangd : 0.003 to 1KHz
• Precision: to 1.000Hz at terminals ±2%
• Working voltage: 400Vdc max; 100V switching
|
CASETA REZISTOARE IN TREPTE REZISTENTE MARI SI INALTA TENSIUNE 5KV SAMAR CRC/4
• Decade box with spires
• studied to simulate high resistance
• suitable to check the insulation testers with test voltage up to 5000V d.c.
• Ranges that can be made with the 4 contact spires supplied: 10x1 M?, 10x10M?, 10x100M?, 10x1G?.
• Temperature coefficient: 100 ppm °C .
• Max power 2W for each element.
• Applicable max voltages : 1250V with 1M?, 2500V with 2M?, 3750V with 3M? and 5000V for values higher than 3M?.
|
REZISTENTA ETALON DE INALTA PRECIZIE PENTRU LABORATOR CALIBRARE SI METROLOGIE SAMAR RC80
• On request various values and precision
• Long term stability: +/- 10 ppm per year
• Resistances from 0.0001? to 10? are 4 terminals
• Resistances from 100? to 10M? are two electrolytic copper terminals with 2 screws, one for current and one for voltage
• Included certificate of calibration of our laboratory
• high-accuracy used as standard in laboratory.
|
REZISTOR DE PRECIZIE IN DECADE SAMAR CR-B
• Power: 0.5 W permanent
• Resistances: 0.1W and 1 W to coil, from 10W to 1 MW metal film to 50ppm
• Security rule terminals
• Plastic box, panel of aluminium with serigraphy
• Double insulation
• Work frequency: 0 - 500 KHz
• Precision: 0.5 %
|
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