Specifications

MODEL 370 REV: D Page 3 of 26
SPECIFICATIONS
Display Alphanumeric 16 x 2 lines, character liquid crystal, display update rate 2 to 4
readings/second, 4 to 5 significant digits displayed; contrast adjustment provided
on rear of display, switch selective electroluminescent backlighting.
Controls: 10 touch sensitive controls set instrument function, also programmable through
IEEE-488 interface.
Push-button power on/off with red LED power indicator.
Calibration: Calibration information stored in rear panel mounted EPROM. EPROM contains
current measurement calibration for pico-ammeter function and calibration
information on specified detectors.
Digital Interface: Removable front panel BNC connector modules provided for detector
connections.
Power Required: 90-132VAC or 180-264VAC 47-440Hz, switch selected on rear panel, 12
VA max required. Fused at 1/8 A for 115VAC operation, 1/16 A for
230VAC operation. Uses low blow fuses. Accepts 3AG, 0.25” (6mm)
diameter x 1.25” (31mm) long fuses. Male IEC line connector provided.
Rear panel DC input 9 to 15 VDC, 500mA max, not switched. Mating
connector is Switchcraft type 760.
Dimensions: 3.69” (94mm) H x 8.5” (216mm) W x 9.25” (235mm) D.
Weight: 4.0 pounds (1.8Kg)
Operating Temperature Range: 0ºC to 45ºC
Storage Temperature Range: -20ºC to 60ºC
A/D Converter: Resolution: 15 bits plus sign
Full Scale Voltage: 2.5V
Sampling Rate: 2 to 4 readings per second
Trans-impedance Amplifier System:
Gain Ranges: 10 to 10 V/A, decade steps
Input Current Error, Temperature Drift: 2pA max, doubles every 10ºC
Input Voltage Error: 10µV max over temp.
Maximum Operational Input Current: 1.5mA
Maximum safe input current: 7.5mA
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