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Pomona 6731 Active Differential Probe
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Pomona 6731
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Features:
- Switchable 20x or 200x attenuation
- High impedance to ground for both positive and negative inputs
- Maximum differential voltage up to CATII 1000 V
- 8-hour operational battery life with battery-condition light
- Shrouded banana test-probe tip
- BNC and silicone cables with safety connectors
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The Model 6731 Differential Oscilloscope Probe offers 1000 V peak differential input voltage with 600 V CAT III maximum voltage to ground.
The Pomona Model 6731 probe is ideally suited for making floating voltage measurements while operating general-purpose oscilloscopes. Using a built-in differential amplifier, the floating signal is safely converted and scaled to a low-voltage signal referenced to earth ground. The probe is used on circuits associated with electronic high-power converters, motor speed controls, switching mode power supplies, and other high-voltage circuits requiring isolation.
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| Model |
Description |
List Price |
Sale Price |
| 6731 |
DIFFERENTIAL OSCILLOSCOPE PROBE |
| $588.49 |  |
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*NOTE: There is a $60.00 minimum on all Pomona orders
 Click here to download the Pomona 6731 Datasheet in PDF format.
Input Characteristics:
Input Probe Tip Style: Shrouded banana probe tip
Probe Cable Length: 1.5 meter (60 inch)
Maximum Input Voltage to Ground: 600V CAT III, 1000V CAT II
Maximum Differential Input Voltage: 1000 VDC, or 1000 Vrms, or 1200V (DC+AC peak)
Output Characteristics:
Output Cable: Safety designed BNC cable
Cable Length: 0.5 meter (20 inch)
Max. Output Voltage Range: ±6.5V into 1MΩ
Electrical Characteristics
Attenuation: 200x and 20x
Bandwidth: (into 1MΩ , 50 pF)
200x: DC to 20 MHz (-3 dB)
20x: DC to 20 MHz (-3 dB)
Accuracy: ±2.5% into 1MΩ
Rise time:
200x: 17.5 ns
20x: 17.5 ns
CMRR:
200x: @60Hz= >80 dB, @1 MHz= >50 dB
20x: @60Hz= >70 dB, @1 MHz= >40 dB
Input Impedance:
Between each input to shielding BNC: 5MΩ , 6 pF
Between the inputs: 10MΩ , 5 pF
Output Impedance: 50Ω
Noise:
200x: <2 mVrms
20x: <3 mVrms
Offset: 10mV into 1MΩ
Switch positions: OFF, 200x, 20x
Power:
External:
Via power adapter 6732 (optional)
Internal:
Battery Power: Alkaline 9V, IEC6LR61
Battery life measured @ 25 C with Duracell® alkaline battery. (Delivered with probe.)
Battery Life: 8 hour operation
400 hour in auto standby
Power indicators:
Green LED: ON at normal operation. Blinks in standby.
Red LED: ON when battery needs to be replacing. (To change from standby to normal operation turn switch from OFF to 20x or 200x.)
Auto Stand By:
After 30 minutes, only when battery operated
Environmental:
Meets requirements of:
MIL-T-28800E, Type III, Class 3.
EN 50081-1, Electromagnetic Compatibility Generic Emission Standard: EN55022 and EN60555-2.
EN 50082-2, Electromagnetic Compatibility Generic Immunity Standard: IEC801-2, -3, -4, -5. (see also Tables 1 and 2)
This product is in conformity with Electromagnetic Compatibility Directive 89/336/EEC and Low Voltage Directive 73/23/EEC.
This conformity is indicated by the symbol CE, i.e. “Conformité Européenne”.
Temperature:
Operating: 0°C to +50°C (+32°F to +122°F)
Storage: -10°C to +60°C (+14°F to +140°F)
Altitude:
Operating: 3 km (9850 feet)
Storage: 12 km (40 000 feet)
Safety Specifications:
Meets requirements of:
EN61010-2-31 (IEC1010-2-31).
Compliant with:
UL3111-1 (including listing)
CSA C22.2 No.1010.1-92 (including approval)
Max. Floating Output Voltage:
600V Category III, up to 400 Hz. (From shielding to ground)
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