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Astro-Med: Accessories
High Voltage / Isolation Modules

ISM-48H & ISM-48Sism
The ISM series of isolation modules provide four channels of isolated inputs for either high voltage or shunt measurements. The ISM48H is for high voltage measurements and the ISM48S is for shunt measurements.

Specifications:
Input Range:
ISM48H - 50V to 1500V full scale (1000:1 divider)
ISM48S - 50 mV to 5V full scale (1:1 divider)

Input Impedance:
ISM48H - 20 Megohm
IMS48S - 2 Meghom

CMV: 1500V peak
Frequency Response: 500 Hz
Input Connectors: 10kVolt Plug Assembly
Output Connectors: Guarded Banana Jack
Battery Pack: Rechargeable 12V Ni-Cad, 0.5 AH
Battery Life: 8 Hours
Power: 11-18 VDC to recharge battery
Size: Approximately 8 x 11.5 x 4 inches
Weight: Approximately 2 lbs.

Part Number:
ISM48H - 41951000
ISM48S - 41951002


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ADP-4810adp


The ADP-4810 Active Differential Probe provides for one-channel of high voltage measurements. Attenuation is 20:1 or 200:1. The probe can withstand up to 1000 Vrms.





Specifications:

Input Voltage (max. differential):
+/- 140 VDC at 20:1 attenuation
+/- 1400 VDC at 200:1 attenuation

Common Mode Maximum: +/- 1400 VDC or 1000 Vrms
CMRR (Typical): -60 dB at 20 kHz
Bandwidth: DC to 25 MHz (-3dB)
Accuracy: +/- 2%
Risetime: 14 nsec
Input Impedence:
4 Mohm/10 pF, each side to GND
8 Mohm/5pF between inputs
Power Requirements: 4 xAA cells
Weight (less batteries): 0.62 lbs (285 gm)
Dimensions: 6.6" x 2.4" x 0.8" (168 x 62 x 20 mm)
Part Number: 25765000



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