9.
ILT1400
GENERAL
SPECIFICATIONS
9.1 ELECTRICAL SPECIFICATIONS
9.1.1 System Power
The ILT1400 is provided with 4 quality AA alkaline
batteries, for portable operation on 6 volts DC. The
ILT1400 draws a mere 26 mA during constant operation,
providing a typical usable operation period of 54 hours with
fresh batteries.
The ILT1400 can also be operated on a wide variety of
external power supplies, for extended operation time. The
voltage regulator inside the unit accepts input voltages from
5 volts DC to 15 volts DC. In practical terms, this means
that you can run the unit off of any DC power supply from a
5 volt computer source to a 12 volt automobile battery or
alternator. The ILT1400 is equipped with an external 110V
only AC power adapter plug to facilitate powering the ILT1400
from a 110V AC main (requires
optional
A516 AC Power
Cable).
9.1.2 Signal Input (current)
The ILT1400 Radiometer/Photometer is capable of
measuring detector input currents from a displayed
resolution of 10 picoAmperes up to a maximum of 350
microAmperes.
9.1.3 Current Measurement Accuracy
The LCD display is capable of displaying full scale
current measurement to an accuracy of ± 0.92% from 100
nA to 350 µA, ± 1.5% below 100 nA. The RS232 output
provides the same accuracy. The analog recorder output is
accurate to ± 1%, or ± 4 mV.
9.1.4 Radio Frequency Output Emissions
This equipment generates and uses radio frequency
energy and if no used properly, in strict accordance with the
manufacturer’s instructions, may cause interference to radio
and television reception. It has been type tested and found
to comply with the limits for a class B computing device in
accordance with the specifications in subpart J of part 15 of
FCC rules, which are designed to provide reasonable
protection against such interference in a residential
installation. However, there is no guarantee that
interference will not occur in a particular installation. The
ILT1400 encasement interior is coated with a special RF
conductive shield to prevent any such interference.
9.2 OPTICAL ACCURACY
Optical accuracy is a very difficult entity to address,
because it changes with wavelength and so varies by the
exact detector combination used. The detectors calibration
uncertainty is listed on the Optical Calibration Certificate and
is in addition to the NIST uncertainty to absolute, which can
vary from less than 1% in the visible to over 6% in the
ultraviolet, and over 4% in the infrared.
9.2.1 Radio Frequency Input Signal Interference
Since the normal measurement range of electrical
currents and charges is extremely small, input errors can
occur from large sources of radio frequency emission. The
input is especially vulnerable to pickup if the input cable is
not shielded. All ILT detectors use shielded input cable
which is also necessary for any user provided input device.
9.3 SIZE AND WEIGHT
Size: 185 mm height x 100 mm width x 43 mm depth.
Weight: 555 grams.
Dimensions do not include detector heads or remote
probes. Please visit the website for specific detector
dimensions.
9.4 ENVIRONMENTAL SPECIFICATIONS
Operating temperature range: 5 to 40 degrees celsius.
Storage temperature range: -30 to +60 degrees celsius.
Operating and storage relative humidity: 0 to 90 percent.
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