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Amprobe AM-47 Manual do utilizador
E.M.C.: Meets EN61326 (1997, 1998/A1), EN61000- 4-4 (1995), & EN61000-4-3 (1996)
In an RF Field of 3V/m:
Capacitance function is not specified
Other function ranges:
Total accuracy = Specified accuracy + 45d
Performance above 3V/m is not specified
Overload Protection:
AM-42 & AM-47: 600VDC & VAC rms
AM-45: 450VDC & VAC rms
Low Battery: Below approx. 2.4V
Power Supply: 3V standard button battery x 1 (IEC-CR2032; ANSI-NEDA-5004LC)
Power Consumption (typical):
AM-42 & AM-45: 2mA
AM-47: 6mA for Voltage functions on Auto-VΩ position, and 2mA for other functions
APO Consumption (typical): 2.2µA
APO Timing:
AM-42: Idle for 30 minutes
AM-45 & AM-47: Idle for 3 minutes
Dimension / Weight: L122mm x W65mm x H13mm / Approx. 100 gm
Special Features:
AM-42: Data Hold, and 30ms MAX Hold
AM-45 & AM-47: AutoCheck
Accessories: Battery installed, and User's manual
Electrical Specification
Accuracy is given as +/- (% of reading digits + number of digits) or otherwise specified @ 23
than 75% R.H.
-------------------------------------------------------------------------
DC Voltage (AM-45 & AM-47)
RANGE
6.000V
60.00V
450.0V
1)
600.0V
2)
600.0V
3)
AM-45 Input Impedance:
AutoCheck
Lo-Z DCV: 160kΩ, 160pF nominal
TM
AM-47 Input Impedance:
AutoCheck
Lo-Z DCV: 833kΩ (4.2kΩ when
TM
displaying "Auto"), 90pF nominal
Hi-Z DCV: 5MΩ, 90pF nominal
NMRR: > 30dB @ 50Hz/60Hz
CMRR: > 100dB @ DC, 50Hz/60Hz; Rs=1kΩ
DCV AutoCheck
Threshold:
TM
> +1.2VDC or < -0.6VDC nominal
AM-45 AutoCheck
1)
TM
AM-47 AutoCheck
2)
TM
AM-47 Hi-Z DCV only
3)
(Automatic V & Ω Selection), and EF-Detection
TM
Accuracy
0.5%+3d
1.0%+5d
1.2%+5d
2.0%+5d
1.5%+5d
DCV only
DCV only
--------------------------------------------------------------------------
AC Voltage (AM-45 & AM-47)
RANGE
50Hz -- 60Hz
6.000V, 60.00V, 450.0V
600.0V
2)
CMRR: > 60dB @ DC to 60Hz, Rs=1kΩ
AM-45 Input Impedance:
AutoCheck
Lo-Z ACV: 160kΩ, 160pF nominal
TM
AM-47 Input Impedance:
AutoCheckTM Lo-Z ACV: 833kΩ (4.2kΩ when
displaying "Auto"), 90pF nominal
Hi-Z ACV: 5MΩ, 90pF nominal
ACV AutoCheck
Threshold:
TM
> 1.5VAC (50/60Hz) nominal
Range for AM-45 only
1)
Range for AM-47 only
2)
o
o
C +/- 5
C and less
Accuracy
,
1.5%+5d
1)
6