Principle of Measurement and Specification
System Features
- High precision spectrometer (NO re-calibration
necessary).
- Modular foreoptic system for measurement on a wide
variety of leaf types, including fine needles.
- Built-in light source.
- Lightweight and field portable (<2.5kg).
- High insensitivity to mechanical shock.
- Rugged die-cast aluminum enclosure.
- Powerful IBM PC compatible data acquisition and
analysis software with advanced mathematical functions.
- Optional Palmtop PC provides a sophisticated user
interface, graphical display, full querty keyboard and replaceable RAM
cards for unlimited data storage in the field.
Technical Specifications
Detector Type:
VIS/NIR
- Wavelength Range: 300
- 1100 nm
- Raleigh Resolution: <10
nm
- Diode Array Size:
3.3 nm
- Absolute Accuracy (Stability): <0.3
nm
- Repeatability: Within
0.1%
- Scan Time: <1
second (plus integration time)
- A/D Converter:
16 Bit (Dynamic range of 65 000 A/D counts
- Integration Time:
10 - 32 000 ms (longer times optional)
- Light Source: Integral
7.0 W halogen bulb, for sampling under any light conditions (optional
light sources available upon request)
- Digital Output: RS232
(19.2 Kbaud)
- Power:
Integral 6 V 3.4 Ah lead acid battery
Up to 35 hours with halogen bulb off
Up to 3 hours with halogen bulb continuously on
For extended field use, an external battery pack is available as an
option. A 6 V Battery charger is also supplied (Please specify 120 V/60
Hz or 240 V/50 Hz)
- Operating Temperature: 0 - 45°C
(Non-condensing)
- Dimensions:
19.5 cm L x 11.5cm W x 7.5 cm H
- Weight:
<2.3kg
Calibration
Unispec original calibration at manufacture before shipping,
November 3 1999
Date of Purchase
December 1999
Serial Number
Serial Number: 27644-1-1
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