With compliments Helmut Singer Elektronik www.helmut-singer.de firstname.lastname@example.org fon +49 241 155 315 fax +49 241 152 066 Feldchen 16-24 D-52070 Aachen Germany High-impedance voltage measurements Active Voltage Probe ESH2-Z2, Passive Voltage Probe ESH2-Z3, Attenuator ESH2Z31 Shielded probes are used for high-impedance measurements of signals and interference on lines. They comprise highpass elements for decoupling low-frequency AC voltages. Active Voltage Probe ESH2-Z2 is intended for RFI voltage measurements on lines not carrying AC supply voltage. 7 3 1 2 4 8 5 6 Passive Voltage Probe ESH2-Z3 (3), hook tip (1), solder tip (2), spring tip (4), probe tip (5), Attenuator ESH2Z31 (recommended extra for ESH2-Z3 only) (6), earth cable (7) and AC voltage tip (for ESH2-Z3 only) (8) correspond to the accessories of Active Voltage Probe ESH2-Z2 Passive Voltage Probe ESH2-Z3 (to CISPR16-1 and VDE0876) is particularly suitable for measuring RFI voltages on high-level lines, e.g. lines carrying AC supply voltage. Attenuator ESH2Z31 is used for determining the source impedance (to CISPR16-2 and VDE0877 part 1/11.81) during measurements with ESH2-Z3. Active Voltage Probe ESH2-Z2 with hook tip (1) Specifications General data Frequency range Voltage division ratio 1) ESH2-Z3 Storage temperature range –25°C to +70°C 9 kHz to 30 MHz 9 kHz to 30 MHz Power supply for ESH2-Z2 ±10 V ±1 V (≈±15 mA) 30 dB Length of connecting cable 1.5 m RF connector BNC Termination 50 Ω Supply and coding (voltage division ratio) 12-contact Tuchel connector, male Weight 200 g 10 dB Measurement range with Rohde&Schwarz test receivers and spectrum analyzers (average value indication, frequency-dependent, IF band−20 dB(μV) to width 200 Hz) +120 dB(μV) Max. input voltage (Vrms) f ≤63 Hz 63 Hz to 30 MHz –10°C to +45°C ESH2-Z2 Deviation of voltage division ratio from nominal value (Zout of source 50 Ω; for typical frequency responses see manual) <1 dB Input impedance Nominal temperature range <−1 dB to +5 dB Ordering information 0 dB(μV) to +150 dB(μV) 118 kΩ ±5%⎟⎥ 8 pF 1.5 kΩ ±2%⎟⎟ 9 pF (termin. into 50 Ω) 100 V 3V 250 V 30 V Active Voltage Probe ESH2-Z2 0299.7210.52 Passive Voltage Probe ESH2-Z3 0299.7810.54 Accessories supplied Set of accessories Probe tip Recommended extras BNC Adapter Attenuator (for ESH2-Z3) 1) 0241.0613.02 0241.0913.02 URV-Z ESH2Z31 0241.1110.02 0827.6513.02 Automatically considered in the display of Rohde&Schwarz test receivers and spectrum analyzers.
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