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Micro óhmetros de precisión de alta corriente.
| Tinsley 5896. |
| Micro óhmetro de dos canales para medidas en transformadores. |
| Especificamente diseñado para medidas de elementos muy inductivos como transformadores, motores y generadores. Ofrece una resolución de 0,1µΩ inyectando de 10 a 60 A en un rango de 20 µΩ. La incertidumbre de medida es del 0.1% de la lectura. Mide la temperatura y compensa a 20° para aluminio y cobre
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| Especificaciones |
| Resistance Range |
20mW (10-60A) to 6kW (10mA) |
| Resolution |
0.01mW e.g. 150.01mW (4-1/2 digit) |
| Accuracy |
+/- 0.1% of reading |
| Max. Voltage |
60V pure DC(Noise < 10mVpp) |
| Max. Current |
60A pure DC |
| Selectable max. current |
10mA to 60A, limited by total resistance (cable + object) |
| Measuring time |
Short due to very fast charge with 60V available |
| Discharge time |
Typically 1/10 of charging time |
| Measuring inputs |
Measuring inputs 2 Current, 4 Potential (2 channels) |
| Temperature input |
Connector for PT100 (correction for 20/23°C for Cu or Al) |
| Tap changer |
Connector for automatic up/down control |
| Warning system |
Connector for red/green warning lamps |
| External start |
Connector for measurement start via external contact |
| External current supply |
Connector for controlling currents up to 600 A, automaticallyextends range down to 2mW (resolution 0.001mW = 1nW) |
| Mains |
85 to 260 VAC, 6.5A, Auto ranging |
| Display |
LCD 240 x 128 with back light |
| Interface |
RS232C |
| Printer |
Built-in thermal printer |
| Test storage |
Up to 1000 results |
| Environment (operating) |
-10°C to 50°C |
| Environment (storage) |
-30°C to 60°C |
| Environment (humidity) |
0 - 90% R/H max., non condensing |
| Size (without cables) |
490 x 400 x 190 mm (WxDxH, mobile ABS rugged case) |
| Weight (without cables) |
Approx. 15kg |
| Cables |
Various options available |
| Safety and EMC |
CE, IEC-1010-1, EN55022 B, EN61000-3-2.-3 , ENV50204 |
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| Modelo: Tinsley 5893. |
| Micro óhmetro operado a baterías. |
| Equipo versátil para todo tipo de medidas de baja resistencia con alta corriente tanto en laboratorio como en campo. Es capaz de inyectar hasta 10 A consiguiendo una resolución de 0,1µΩ . Alojado en una maleta de alta resistencia dispone de puerto RS232 para conexión a PC.
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| Especificaciones |
| Range |
Resolution |
Current |
Accuracy (1 Year) |
Temperature Coefficient (%reading + last digit) |
| % reading |
Last digits |
| 60 Ω |
10 mΩ |
1mA |
+/-0.15% |
+3 |
(0.004% +0.18)/ °C |
| 6 Ω |
1.0 mΩ |
10mA |
+/-0.15% |
+3 |
(0.004% +0.18)/ °C |
| 600 m Ω |
100 µΩ |
100mA |
+/-0.15% |
+3 |
(0.004% +0.18)/ °C |
| 60 m Ω |
10 µΩ |
1A |
+/-0.15% |
+3 |
(0.004% +0.18)/ °C |
| 6 m Ω |
1.0 µΩ |
10A |
+/-0.2% |
+6 |
(0.004% +0.18)/ °C |
| 600 µΩ |
0.1 µΩ |
10A |
+/-0.2% |
+12 |
(0.004% +1.5)/ °C |
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| Calibration |
Supplied with certificate internal digital calibration (security key protected) |
| Input Connections |
4 x 6mm binding posts for spade terminals and 4mm banana plugs |
| Socket for model 5893G foot/hand switch for remote reading |
| Output Connections |
RS232 output of display at selected 75 to 19200 baud rate |
| Supplies |
2 internal sealed lead acid batteries supplied |
| 100/120/220/240V +10% -13%, 47 to 63 Hz at 80VA max. Input protection 415V RMS |
| Environment |
Working: 0 to 40ºC at 80% RH max non condensing |
| Storage: -20C to +40ºC |
| Dimension |
356mm x 270mm x 155mm |
| Weight |
8.2kg |
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| Modelo: Tinsley 5894. |
| Micro óhmetro de alta precisión. |
| Permite medir un amplio rango de resistencias , con fondos de escala desde 1 Ω hasta 100k Ω y resolución máxima de 0,1µΩ . Dispone de dos modos de medida: rápido para procesos automáticos y lento para medidas muy precisas en elementos muy inductivos como en bobinados de motores y transformadores. Conectando un sensor de temperatura permite ofrecer lecturas relativas a 20°C para cobre y aluminio.
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| Especificaciones |
| Range (Manual or Automatic) |
1.0000 mOhm to 100.00 kOhm |
| Resolution |
0.1μOhm |
| Over range |
80% to 18,000 |
| Max. Uncertainty |
0.03% read. + 2dgt |
| Measuring Speed/Time |
10 measurements/second |
| Display |
4-½ digits |
| Current @ |
| 1 mOhm |
1 A |
| 10 mOhm |
1 A |
| 100 mOhm |
100 mA |
| 1 Ohm |
10 mA |
| 10 Ohm |
1 mA |
| 100 Ohm |
1 mA |
| 1 kOhm |
100 μA |
| 10 kOhm |
100 μA |
| 100 kOhm |
10 μA |
| Measuring Voltage |
4V (20mV limit for contacts) |
| Max. Inductive Power |
>100 VA |
| Temperature Comp. |
With PT100 Probe Range 20°C/23°C |
| Temp. coefficient |
Off, Cu or Al |
| Zero Correction |
Compensated at each measurement |
| Input Protection |
Against inductive spikes |
| Error detection display and message (RS232) |
Open potential leads: ‘SEN’ (‘ESEN’) |
| Open current leads: ‘CUR’ (‘ECUR’) |
| Over range >80%: ‘OVR’ (‘EOVR’) |
| Limits |
0... 18,000 upper/lower |
| Limits overrun display and message (RS232) |
>or < in front of measured value'>’ or ‘<’ as first sign of message |
| Limit settings |
Manual (keys) or RS232 |
| Ports/Interface |
RS232, Parallel Printer, PLC |
| Measuring Start Via |
Key, RS232, PLC, Potential free contact |
| Dimensions |
280 x 80 x 240 mm (W x H x D) |
| Weight |
Approx. 3kg |
| Environment |
-10°C to 40°C-20°C to 60°C >95% Humidity, not condensing |
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| Modelo: Tinsley 5895. |
| Micro óhmetro para medidas en transformadores de alta potencia y alta tensión. |
| Diseñado par medidas rápidas en transformadores de alta tensión hasta 400 kV. Incluye un temporizador e impresora integrados permitiendo registrar valores de resistencia en intervalos de tiempo programados . Incluye los elementos necesarios para proteger al operador y al instrumento de los riesgos típicos en este tipo de medidas. Cumple con las normativas BS171 - parte2 y IEC 76-5 - parte1
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| Especificaciones |
| Tiempos típicos de lectura en distintos transformadores |
| 10 segundos |
Transformadores de 11kV,a 220kVA |
| 40 segundos |
Transformadores de 132kV , 240MVA |
| 100 segundos |
Transformadores de 400kV , 220kVA |
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Su alta corriente de test, fuerza al nucleo a saturación eliminando las oscilaciones del campo magnético, permitiendo medidas estables rápidas.
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| Modelo: Tinsley 5897 y 5898. |
| Micro óhmetro portátil de muy alta corriente. |
| Instrumento operado a baterías capáz de realizar medidas de resistencia inyectando hasta 100 ( Mopdelo 5897) y oreciendo una precisión de 0,2% y una resolución de 0,1 µΩ.
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| Especificaciones Modelo 5897 |
| Range |
Resolution |
Current |
Accuracy |
Temperature Coefficient (%reading + last digit) |
| % reading |
Last digits |
| 400µΩ |
0.1µΩ |
100A/25A |
+/-0.4% |
+4 |
(0.05% +4)/ °C |
| 4000µΩ |
1.0µΩ |
100A/25A |
+/-0.2% |
+4 |
(0.04% +0.2)/ °C |
| 40µΩ |
10µΩ |
10A/2.5A |
+/-0.2% |
+4 |
(0.02% +0.1)/ °C |
| 400µΩ |
0.1µΩ |
1A/0.25A |
+/-0.2% |
+4 |
(0.02% +0.1)/ °C |
| 4µΩ |
1.0 µΩ |
100mA/25mA |
+/-0.2% |
+4 |
(0.02% +0.1)/ °C |
| 40µΩ |
10 µΩ |
10mA/25mA |
+/-0.2% |
+4 |
(0.04% +0.2)/ °C |
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| Especificaciones Modelo 5898 |
| Range |
Resolution |
Current |
Accuracy |
Temperature Coefficient (%reading + last digit) |
| % reading |
Last digits |
| 100µΩ |
0.01µΩ |
200A/--- |
+/-0.5% |
+/-10 |
(0.05% +4)/ °C |
| 600µΩ |
0.1µΩ |
200A/50A |
+/-0.4% |
+6 |
(0.04% +0.2)/ °C |
| 6000µΩ |
1.0µΩ |
200A/50A |
+/-0.2% |
+6 |
(0.02% +0.1)/ °C |
| 60µΩ |
10µΩ |
20A/5A |
+/-0.2% |
+6 |
(0.02% +0.1)/ °C |
| 600µΩ |
0.1 µΩ |
2A/0.5A |
+/-0.2% |
+6 |
(0.02% +0.1)/ °C |
| 6Ω |
1.0 µΩ |
200mA/50mA |
+/-0.4% |
+6 |
(0.04% +0.2)/ °C |
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