Model 6731 Active Differential Probe Features: á Allows user to safely make floating high voltage measurements while using general purpose oscilloscopes. á Maximum differential voltage up to 1000V. á Differential amplifier converts and scales floating input signal to a lowvoltage signal referenced to earth ground. á The probe can be used on circuits associated with electronic high-power converters, motor speed controllers, switching power supplies, and other high voltage circuits requiring isolation. á Switchable attenuation settings. á High impedance to ground for both positive and negative sides of the balanced input. á Input uses shrouded banana test probe tip. á Probe tip accepts large alligator clips and pin-grabber test clips (included). á The output to the oscilloscope is a BNC cable with a safety insulated BNC male connector. á Optional Universal Power Adapter. Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060 Rev: 001 D1099695 For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com Page 1 of 4 Model 6731 Active Differential Probe Specifications: 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 Installation Category III refers to distribution level and fixed installation circuits inside a building. Installation Category II refers to local level, which is applicable for appliances, and portable equipment. Maximum Differential Input Voltage: 1000 VDC, or 1000 Vrms, or 1200V (DC+AC peak) Note: (DC+AC peak) limit is determined by the point at which the differential voltage probe starts clipping. For derating of each input probe (red or black), see figure below. Output Characteristics Output Cable: Safety designed BNC cable Cable Length: 0.5 meter (20 inch) Max. Output Voltage Range: ±6.5V into 1 MΩ Electrical Characteristics Attenuation: 200x and 20x Bandwidth: (into 1 MΩ , 50 pF) 200x: DC to 20 MHz (-3 dB) 20x: DC to 20 MHz (-3 dB) Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060 Rev: 001 D1099695 For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com Page 2 of 4 Model 6731 Active Differential Probe Accuracy: ±2.5% into 1 MΩ 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: 5 MΩ , 6 pF Between the inputs: 10 MΩ , 5 pF Output Impedance: 50Ω Noise: 200x: <2 mVrms 20x: <3 mVrms Offset: ≤10 mV into 1 MΩ 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 , i.e. “Conformité Européenne”. Temperature: Operating: 0°C to +50°C (+32°F to +122°F) Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060 Rev: 001 D1099695 For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com Page 3 of 4 Model 6731 Active Differential Probe 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) The 6731 conforms with the EEC directive 89/336 for EMC immunity, as defined by IEC801-3, with the addition of the following tables. Optional power adapter: Universal 115V/230V: Model 6732 Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060 Rev: 001 D1099695 For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com Page 4 of 4