Field Probes Frequency range Level range

Transcription

1 Field probes PMM 853A measurement system is complete with a series of electric and magnetic field probes in the frequency range from 5 Hz to 4 GHz. Field Probes Electric Field Probe EP-15 1 khz - 1 MHz.5-5 V/m Electric Field Probe EP-3 1 khz - 3 GHz.1-3 V/m Electric Field Probe EP-33 1 khz - 3 GHz.3-3 V/m Electric Field Probe EP-31 1 khz - 3 GHz 1-1 V/m Electric Field Probe EP MHz 18 GHz.8-8 V/m Electric Field Probe EP-48 1 MHz 4 GHz.8-8 V/m Electric Field Probe EP-44M 1 khz - 8 MHz V/m Electric Field Probe EP-33M 7 MHz - 3 GHz.3-3 V/m Electric Field Probe EP-33A 925 MHz - 96 MHz.3-3 V/m Electric Field Probe EP-33B 185 MHz 188 MHz.3-3 V/m Electric Field Probe EP-33C 211 MHz 217 MHz.3-3 V/m Magnetic Field Probe HP MHz.1-2 A/m Magnetic Field Probe HP MHz.1-2 A/m Magnetic Field Probe HP 1 Hz 5 khz 1 nt 4 µt Magnetic Field Probe HP1 1 Hz 5 khz 5 nt 2 µt Electric and Magnetic Field Analyzers EHP5A/B/C 5 Hz 1 khz A 1 mv/m 1 kv/m 5 Hz 1 khz B/ C 1 nt 1 mt 1 mv/m 1 kv/m 1 nt 1 mt Probes type S Normally all sensors are provided with full calibration report. Instead the sensors of type S have a limited calibration. The main difference is that the frequency calibration is made only on 3 points. A table with typical calibration factors is also supplied with each probe. This type of probes is detected by 853A with the extension S (e.g. EP33s) like in the figure. When using old 853 series, is mandatory to update the internal firmware in order to recognize the probes type S.

2 TABLE 1-2 Technical Specifications of the Field Probes Note: Technical specifications are subject to change without prior notice. ELECTRIC FIELD PROBE EP-33 Sensitivity Absolute 5 MHz 2 V/m Flatness (1-3 MHz) Flatness (3 MHz - 3 GHz) Isotropicity H-field rejection 1 khz - 3 GHz.3-3 V/m > 6 V/m > 6 db,1 V/m,3 V/m ±.8 db ±.5 db ± 1.5 db ±.8 db (Typical 93 and 18 MHz) >2 db 2 C 6 C = ±.1 db C 2 C = -,5 db/ C -2 C C = -,15 db/ C internal into E 2 PROM 317 mm length, 58 mm diameter 1 g 1. Typical frequency response for EP [MHz]

3 Typical response for signal GSM, 1 frequency channel, 1 time slot Correction factor 2. EP Erms [V/m] Erms [V/m] Edisplay [V/m] Correction factor A ATTENTION This test is carried out with a signal currently used in laboratory for maximise the reading error to make a comparison of the performances of the probe with a common base. Actually the radiobase station use eight time slot of each channel so the effective error of the measurement is negligible.

4 Erms/Edisplay 1.6 EP33 - Typical amplitude response for two CW signal of same level. d f= 1kHz df = 1kHz df = 1kHz df = 1MHz Erms[V /m]

5 ELECTRIC FIELD PROBE EP-33M Sensitivity Absolute 93 MHz 2 V/m Flatness (9 MHz - 3 GHz) Isotropicity H-field rejection 7 MHz - 3 GHz.3-3 V/m > 6 V/m > 6 db.1 V/m.3 V/m ± 1.5 db ±.8 db (Typical 93 and 18 MHz) > 2 db.5 db/ C Internal into E 2 PROM 317 mm length, 58 mm diameter 1 g Typical frequency response for EP-33M probe [MHz]

6 MAGNETIC FIELD PROBE HP-12 Sensitivity Absolute 5 MHz 2 A/m Flatness (5-9 MHz) Isotropicity E-field rejection 3-1 MHz.1-2 A/m > 4 A/m > 6 db 1 ma/m.1 A/m ±.8 db (Typical 93 MHz) > 2 db.5 db/ C Internal into E 2 PROM 317 mm length, 58 mm diameter 11 g 4 Typical frequency response for HP [MHz]

7 ELECTRIC FIELD PROBE EP-15 Sensitivity Absolute 5 MHz 6 V/m Flatness (1-3 MHz) Flatness (3 khz - 1 GHz) Isotropicity H-field rejection 1 khz - 1 MHz.5-5 V/m > 1 V/m > 6 db.1 V/m.5 V/m ±.8 db ±.5 db ±.8 db (Typical 93 MHz) > 2 db.5 db/ C Internal into E 2 PROM 35 mm length, 133 mm diameter 29 g Typical frequency response for EP-15 probe 1,, -1, -2, -3, -4,, -6, -7, -8,, [MHz]

8 MAGNETIC FIELD PROBE HP-32 Sensitivity Absolute 1 MHz 2 A/m Flatness (1-25 MHz) Isotropicity E-field rejection.1-3 MHz.1-2 A/m > 4 A/m > 6 db 1 ma/m.1 A/m ±.8 db (Typical 1 MHz) > 2 db.5 db/ C Internal into E 2 PROM 35 mm length, 133 mm diameter 4 g Typical frequency response for HP-32 probe [MHz]

9 ELECTRIC FIELD PROBE EP-31 Sensitivity Absolute 5 MHz 2 V/m Flatness (1-3 MHz) Flatness (3 MHz - 1 GHz) Isotropicity H-field rejection 1 khz - 3 GHz 1 1 V/m > 12 V/m > 6 db.1 V/m 1 V/m ±.8 db ±.5 db ± 1.5 db ±.8 db (Typical 93 and 18 MHz) > 2 db.5 db/ C Internal into E 2 PROM 317 mm length, 58 mm diameter 1 g 1. Typical frequency response for EP [MHz]

10 ELECTRIC FIELD PROBE EP-183 Sensitivity Absolute 2 MHz 6 V/m Flatness (1 MHz - 1 GHz) Flatness (1-3 GHz) Flatness (3-18 GHz) 2 MHz H-field rejection 1 MHz - 18 GHz.8-8 V/m > 12 V/m > 6 db.1 V/m.8 V/m ±.8 db ± 1.5 db ± 2. db ± 2.5 db ±.8 db (Typical 93 and 18 MHz) > 2 db.2 db/ C Internal into E 2 PROM 317 mm length, 5 mm diameter 9 g Typical frequency response for EP-183 probe [MHz]

11 ELECTRIC FIELD PROBE EP-48 Sensitivity Absolute 2 MHz 6 V/m Flatness (1 MHz - 1 GHz) Flatness (1-3 GHz) Flatness (3-18 GHz) Flatness ( GHz) Flatness ( GHz) 2 MHz H-field rejection 1 MHz - 4 GHz.8-8 V/m > 1 V/m > 6 db.1 V/m.8 V/m ±.8 db ± 1.5 db ± 2 db ± 2.5 db ± 3 db ± 4 db ±.8 db (Typical 93 and 18 MHz) > 2 db.2 db/ C internal into E 2 PROM 317 mm length, 52 mm diameter 9 g Typical frequency response for EP-48 probe [MHz],

12 ELECTRIC FIELD PROBE EP-44M 1 khz - 8 MHz V/m > 5 V/m > 6 db.1 V/m Sensitivity.25 V/m Absolute 5 MHz e 6 V/m ±.8 db Flatness (1 MHz - 2 MHz) (2 MHz - 8 MHz) ± 1.5 db (typical ±,8 db) ± 2. db (typical ± 1,5 db) Isotropicity ±.8 db (Typical 74 MHz) Out band attenuation respect to 5 MHz 9 MHz 3 GHz > 12 db (typical >15dB) H-field rejection > 2 db.2 db/ C Internal into E 2 PROM 317 mm length, 58 mm diameter 1 g Typical frequency response for EP-44M probe [MHz]

13 MAGNETIC FIELD PROBE HP 1 Hz 5 khz 1 nt 4 µt 4 µt > 72 db 1 nt Sensitivity 1 nt Absolute error ±.4 5 Hz 2 nt 25 C Flatness (4 Hz 1kHz) 5 Hz 2 nt ±.3 db Electric field rejection > 2 db.15 db/ C internal into E 2 PROM 35 mm length, 133 mm diameter 4 g Tipical frequency response for HP5 probe [Hz]

14 ELECTRIC FIELD PROBE EP-3 Sensitivity Absolute 5 MHz 2 V/m Flatness (1-3 MHz) Flatness (3 MHz - 3 GHz) Isotropicity H-field rejection 1 khz - 3 GHz.1-3 V/m > 6 V/m > 66 db (Typical >7db),1 V/m,15 V/m (Typical >.1V/m) ±.8 db ±.5 db ± 1.5 db ±.8 db (Typical 93 and 18 MHz) >2 db 2 C 6 C = ±.1 db C 2 C = -,5 db/ C -2 C C = -,15 db/ C internal into E 2 PROM 317 mm length, 58 mm diameter 1 g 1. Typical frequency response for EP [MHz]

15 ELECTRIC FIELD PROBE EP-33A 925 MHz - 96 MHz,3 3 V/m > 12 V/m > 6 db,1 V/m Sensitività,3 V/m Absolute MHz 2 V/m Flatness ( MHz) +.2 db / -1.8 db OFF Band attenuation respect to MHz 86 MHz > 1 db 125 MHz > 1 db Isotropicity ±.8 db (Tipico ±.5dB ) Reyection to H field > 2 db Errore temperature C 6 C = ±.2dB -2 C C = -,1 db/ C Drift Frequency Vs Temperature 4 C 6 C = ± 1 khz -2 C 4 C = -1 khz/ C E 2 PROM internal 317 mm lenght, 58 mm diameter 1 g Typical frequency response for EP33A probe , , , , , [MHz]

16 , Typical frequency response for EP33A probe, -1, -15, , , , , ,5 13 [MHz] Correction factor 2, Typical amplitude response for a GSM, 1 frequency channel,1 time slot EP33A 1,5 1,,5,,1, Erms [V/m] A ATTENTION This test is carried out with a signal currently used in laboratory for maximise the reading error to make a comparison of the performances of the probe with a common base. Actually the radiobase station use eight time slot of each channel so the effective error of the measurement is negligible.

17 ELECTRIC FIELD PROBE EP-33B 185 MHz 188 MHz,3 3 V/m > 12 V/m > 6 db,1 V/m Sensitività,3 V/m Absolute MHz 2 V/m Flatness ( MHz) +.2 db / -1.8 db OFF Band attenuation respect to MHz 158 MHz > 1 db 21 MHz > 1 db Isotropicity ±.8 db (Tipico ±.5dB ) Reyection to H field > 2 db Errore temperature C 6 C = ±.2dB -2 C C = -,1 db/ C Drift Frequency Vs Temperature 4 C 6 C = ± 1 khz -2 C 4 C = -1 khz/ C E 2 PROM internal 317 mm lenght, 58 mm diameter 1 g Typical frequency response for EP33B probe

18 Typical frequency response for EP33B probe

19 ELECTRIC FIELD PROBE EP-33C 211 MHz 217 MHz,3 3 V/m > 12 V/m > 6 db,1 V/m Sensitività,3 V/m Absolute 214 MHz 2 V/m Flatness ( MHz) +.2 db / -1.8 db OFF Band attenuation respect to 214 MHz 188 MHz > 1 db 232 MHz > 1 db Isotropicity ±.8 db (Tipico ±.5dB ) Reyection to H field > 2 db Errore temperature C 6 C = ±.2dB -2 C C = -,1 db/ C Drift Frequency Vs Temperature 4 C 6 C = ± 1 khz -2 C 4 C = -1 khz/ C E 2 PROM internal 317 mm lenght, 58 mm diameter 1 g Typical freq uen cy response for EP33C probe [M Hz]

20 [d B] Typical frequency response for EP33C probe [M Hz]

21 ELECTRIC AND MAGNETIC FIELD ANALYZER EHPB Electric field Magnetic field 5 Hz 1 khz.1 V/m 1 kv/m 1 nt 1 mt 2 kv/m (@ 5 Hz) 2 mt (@ 5 Hz) Dynamic > 14 db.1 V/m 1 nt Sensitivity.1 V/m 1 nt Absolute error ±.5 db (@ 5 Hz and 1 kv/m) ±.5 db (@ 5 Hz and.1 mt) Flatness (4 Hz 1 khz) ±.5 db ±.5 db Isotropicity 5 Hz ±.2 db (1 V/m 1 kv/m) ±.2 db (2 nt 1 mt) SPAN 1 Hz, 2 Hz, 5 Hz, 1 khz, 2 khz, 1 khz, 1 khz Start frequency 1.2 % of the SPAN Stop frequency Equal to the SPAN E-field rejection --- > 2 db H-field rejection > 2 db --- Internal into E 2 PROM.5 db/ C 96 x 96 x 115 mm 525 g Tripod support Threaded insert ¼ Internal battery Rechargeable NiMH batteries (5 x 1.2 V) Operating time > 1 hours >15 hours in low-power mode Recharging time < 4 hours External DC supply DC, 1-15 V, I = about 2 ma Fiber optic connection Up to 8 meters Firmware update Update available through the serial port Autocheck Automatically when switched on Operational temperature -1 C to +4 C Storage temperature -2 C to +7 C

22 ELECTRIC AND MAGNETIC FIELD ANALYZER EHPC Electric field Magnetic field 5 Hz 1 khz.1 V/m 1 kv/m 1 nt 1 mt 2 kv/m (@ 5 Hz) 2 mt (@ 5 Hz) Dynamic > 14 db.1 V/m on 853A Display.1 V/m with 853A Data logger 1 nt on 853A display or internal data logger 1 nt with 853A Data logger Sensitivity.1 V/m 1 nt Absolute error ±.5 db (@ 5 Hz and 1 kv/m) ±.5 db (@ 5 Hz and.1 mt) Flatness (4 Hz 1 khz) ±.5 db ±.5 db Isotropicity 5 Hz ±.2 db (1 V/m 1 kv/m) ±.2 db (2 nt 1 mt) Internal memory 144 data with 1 minute storing; 288 data with 3 sec storing. The data can be transferred only to PC Internal data logger 1 measurement every 3 or 6 seconds FFT Real time FFT analysis SPAN 1 Hz, 2 Hz, 5 Hz, 1 khz, 2 khz, 1 khz, 1 khz Start frequency 1.2 % of the SPAN Stop frequency Equal to the SPAN E-field rejection --- > 2 db H-field rejection > 2 db --- Internal into E 2 PROM.5 db/ C 92 x 92 x 19 mm 525 g Tripod support Threaded insert ¼ Internal battery Rechargeable NiMH batteries (5 x 1.2 V) Operating time >1 hours in normal mode >15 hours in low-power mode 24 hours with internal data logger (SPAN higher than 2 Hz) in stand alone mode of operation Maximum operating distance 8 meters via fiber optic Recharging time < 4 hours External DC supply DC, 1-15 V, I = about 2 ma Fiber optic connection Up to 8 meters Firmware update Update available through the serial port Autocheck Automatically when switched on Operational temperature -1 C to +4 C Storage temperature -2 C to +7 C

23 Typical frequency response for EHPB/C Analyzers (Electric Field) khz] Typical frequency response for EHPB/C Analyzers (Magnetic Field) [khz]