Features:
Allows user to safely make floating
high voltage measurements while
using general purpose oscilloscopes.
Maximum differential voltage up to
1000V.
Differential amplifier converts and
scales floating input signal to a low-
voltage signal referenced to earth
ground.
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.
Switchable attenuation settings.
High impedance to ground for both positive and negative sides of the balanced input.
Input uses shrouded banana test probe tip.
Probe tip accepts large alligator clips
and pin-grabber test clips (included).
The output to the oscilloscope is a BNC cable with a safety insulated BNC male connector.
Optional Universal Power Adapter.
Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060
Rev: 001
D1100121
For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com
Page 1 of 4
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 M
Electrical Characteristics
Attenuation:
200x and 20x
Bandwidth:
(into 1 M , 50 pF)
200x: DC to 20 MHz (-3 dB)
20x: DC to 20 MHz (-3 dB)
Accuracy:
2.5% into 1 M
Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060
Rev: 001
D1100121
For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com
Page 2 of 4
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 M
Between the inputs: 10 M , 5 pF
Output Impedance:
50
Noise:
200x: <2 mVrms
20x: <3 mVrms
Offset:
10 mV into 1 M
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
, 6 pF
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)
Storage: -10 C to +60 C (+14 F to +140 F)
Altitude:
Sales: 800-490-2361 Fax: 888-403-3360 Technical Assistance: 800-241-2060
Rev: 001
D1100121
For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com
Page 3 of 4
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
D1100121
For “Where to Buy” information, visit the Pomona web site at www.pomonaelectronics.com
Page 4 of 4
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