Eberline ESP-1 - SPECIFICATIONS

В. SPECIFICATIONS
1-2
1.
Mechanical (with batteries, excluding probe)
a. Overall Dimensions (including all protrusions): 10.25 inches x 5.0 inches x 5.0
inches (26.0 cm x 12.7 cm x 12.7 cm).
b. Weight: Approximately 3.8 pounds (1.72 kg).
Operating Temperatures: -20°C to +50°C (-4?F to +122°Е)
Voltages
a. Low Voltage: 5 Vdc.
b. High Voltage (detector bias voltage): 350 to 2300 Vdc, set by the person calibrating
the instrument to the bias voltage required for the detector being used.
Detectors
Most Eberline GM, proportional, or scintillation detectors for alpha, beta, gamma, or
neutron activity may be used on the ESP-1. The detectors recommended are described at
the end of this manual. The detectors connect to the ESP-1 via an MHV-series coaxial
connector located on the front of the instrument.
Readout
a. I Two lines of 16 alphanumeric characters presented on liquid crystal display (LCD).
b. Character size: H = 0.175 inch (4.45 mm); W = 0.124 inch (3.15 mm).
c. Bar graph resolution: 1 in 48 (2.1 percent).
Alarm: A 2000-Hz audio tone from the speaker.
External Controls
A single row of seven 3/8-inch-square push-button switches on 1/2-inch centers across the
face of the instrument. From left to right, they are:
ON/OFF: Press on - press off
MODE: Press on - normally off
RESET: Press on - normally off
LIGHT: Press on - normally off
+: Press on - normally off
-: Press on - normally off
SPKR: Press on - press off
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Internal Controls
ESPI.MAN/February 1992