The CT4072 is a 100 MHz differential probe from CalTest. A differential probe is an active probe that has two inputs. A negative and positive input along with a ground lead that drives a 50 Ohm cable to transmit the output of a digital oscilloscope channel.
Additional Features:
100 MHz bandwidth (-3 dB)
Up to ±3500 V (DC + AC peak)
Attenuation 100x/200x/500x/1000x
High accuracy (±2%)
Power indicator LED
Meets IEC 61010-1 CAT II safety standard
Kit Contents:
CT4072 Differential probe
(2) High voltage hook probes
(2) Alligator clips
(2) 4 mm probes
(2) Retractable, sheathed 4 mm banana plug test leads, silicone jacketed
(1) Insulated BNC cable
(1) 9 V power adapter
Specifications:
All specifications apply to the unit after a temperature stabilization time of 20 minutes over an ambient temperature range of 25 °C ± 5 °C.
Electrical Characteristics
Bandwidth: 100 MHz
Rise Time: 18 ns for 200x, 500x, & 1000x; 25 ns for 100x
Attenuation: 100x, 200x, 500x, 1000x
Accuracy: ±2%; Accuracy based on DMM with 10 Mω input impedance
AC CMRR: 80 dB @ 60 Hz; 60 dB @ 100 Hz; 50 dB @ 1 MHz
Maximum Input Voltage (100x) (DC + AC peak); ±350 V
Maximum Input Voltage (200x) (DC + AC peak): ±700 V
Maximum Input Voltage (500x) (DC + AC peak): ±1750 V
Maximum Input Voltage (1000x) (DC + AC peak): ±3500 V
Absolute Maximum Rated Input Voltage (each side to ground): 2500 Vrms
Input Impedance (Differential): 54 Mω // 1.2 pF
Input Impedance (each side to ground): 27 Mω // 2.3 pF
Output Voltage Swing: ±8 V (driving 1 Mω oscilloscope input)
Offset (typical): ±5 mV
Noise (typical): 2 mVrms
Source Impedance: 50 ω
Power Supply: 9 V power adapter (included)
Mechanical Characteristics
Weight (probe only: 280 g
Dimensions: 240 x 80 x 30 mm
BNC Cable Length: 100 cm
Input Leads Length: 55 cm each
Environmental Characteristics
Operating Temp/Humidity: 0°C to 50°C / 10% to 85% RH
Storage Temp/Humidity: -30°C to 70°C / 10% to 90% RH
Pollution Degree: Pollution Degree 2
Safety Specifications
IEC 61010-031:2015 CAT II
The Cal Test CT4072 is an active differential probe with a high input impedance and low input capacitance. With a 100 MHz bandwidth, this probe is great for working on a wide variety of measurements ranging up to ±3500 V. The CT4072 is compatible with oscilloscopes from all major manufacturers.
The CT4072 is a 100 MHz differential probe from CalTest. A differential probe is an active probe that has two inputs. A negative and positive input along with a ground lead that drives a 50 Ohm cable to transmit the output of a digital oscilloscope channel.
Additional Features:
- 100 MHz bandwidth (-3 dB)
- Up to ±3500 V (DC + AC peak)
- Attenuation 100x/200x/500x/1000x
- High accuracy (±2%)
- Power indicator LED
- Meets IEC 61010-1 CAT II safety standard
Kit Contents:
- CT4072 Differential probe
- (2) High voltage hook probes
- (2) Alligator clips
- (2) 4 mm probes
- (2) Retractable, sheathed 4 mm banana plug test leads, silicone jacketed
- (1) Insulated BNC cable
- (1) 9 V power adapter
Specifications:
All specifications apply to the unit after a temperature stabilization time of 20 minutes over an ambient temperature range of 25 °C ± 5 °C.
Electrical Characteristics
- Bandwidth: 100 MHz
- Rise Time: 18 ns for 200x, 500x, & 1000x; 25 ns for 100x
- Attenuation: 100x, 200x, 500x, 1000x
- Accuracy: ±2%; Accuracy based on DMM with 10 MΩ input impedance
- AC CMRR: 80 dB @ 60 Hz; 60 dB @ 100 Hz; 50 dB @ 1 MHz
- Maximum Input Voltage (100x) (DC + AC peak); ±350 V
- Maximum Input Voltage (200x) (DC + AC peak): ±700 V
- Maximum Input Voltage (500x) (DC + AC peak): ±1750 V
- Maximum Input Voltage (1000x) (DC + AC peak): ±3500 V
- Absolute Maximum Rated Input Voltage (each side to ground): 2500 Vrms
- Input Impedance (Differential): 54 MΩ // 1.2 pF
- Input Impedance (each side to ground): 27 MΩ // 2.3 pF
- Output Voltage Swing: ±8 V (driving 1 MΩ oscilloscope input)
- Offset (typical): ±5 mV
- Noise (typical): 2 mVrms
- Source Impedance: 50 Ω
- Power Supply: 9 V power adapter (included)
Mechanical Characteristics
- Weight (probe only: 280 g
- Dimensions: 240 x 80 x 30 mm
- BNC Cable Length: 100 cm
- Input Leads Length: 55 cm each
Environmental Characteristics
- Operating Temp/Humidity: 0°C to 50°C / 10% to 85% RH
- Storage Temp/Humidity: -30°C to 70°C / 10% to 90% RH
- Pollution Degree: Pollution Degree 2
Safety Specifications
- IEC 61010-031:2015 CAT II
The Cal Test CT4072 is an active differential probe with a high input impedance and low input capacitance. With a 100 MHz bandwidth, this probe is great for working on a wide variety of measurements ranging up to ±3500 V. The CT4072 is compatible with oscilloscopes from all major manufacturers.
