3
Photometer 7500 BT
28
3.10 Technical Specifications
Instrument Type
Dual light source photometer offering direct-reading of
pre-programmed test calibrations, Absorbance and Transmittance
Optical System
Optical Source
Dual LED sources with optical filters
Optical Detectors
Silicon photodiodes
Peak Wavelengths
450nm, 500nm, 550nm, 570nm, 600nm, 650nm
Wavelength Selection
Automatic
Bandwidth
±5nm
Range
1 - 100%T (0-2.3 Abs)
Accuracy
± 1.0% T
User Interface
Display
320 x 240 pixel LCD with contrast adjustment
Backlight
Timed, on key press with auto-dim and off
User Interface
On-screen prompts available in English, French, Spanish,
German, Italian, Turkish and Mandarin (Chinese).
Keypad
Numeric keypad with assignable Hotkeys. Four navigation keys and OK key
Physical
Size (W x L x H)
150 x 250 x 70mm
Weight
975g
IP Rating
IP67
Power Supply
Batteries
3 x 1.5v ‘AA’ batteries
Lifetime
40 hours (typical use, backlight off, ‘AA’ alkaline cells)
Mains
5V DC, 900mA delivered via USB port
Power Management
Auto-switch off (user selectable between 5-15 minutes on battery) or continuous operation
Power Saving
User control for Backlight and Bluetooth to minimise battery consumption
Test Methods
Tests Available
Pre-programmed for Palintest tablet reagent and Tubetests
®
format tests
Also operates in Absorbance and Transmittance modes
User Defined Tests
Up to 30 user calibrations can be entered. Up to 10 points per calibration
Test Selection
Phot number entry, Hotkey or selection from a list
Test Cuvettes
12-20mm OD with automatic cuvette centering
Result Units
g/l, mg/l, ppm, mmol/l, µmol/l, µg/l, ppb
Blanking
Automatic blanking at all wavelengths. Blank value
stored in memory until power off or new blank recorded
Connectivity
USB
USB Type B Connector. Waterproof connector available
Wireless
Palintest Bluetooth SMART profile
Data Management
Instrument Memory
Non-volatile storage
Memory Capacity
Up to 500 data sets. Each data set includes date, time, Sample ID,
Operator ID, method number, method name, result, units
Sample IDs
Up to 24 at any time
Operator IDs
Up to 12 at any time
Data Download
To computer via USB using Hard Disk or COM port mode. Wireless Bluetooth SMART
download, either instantly or as a data batch, using a connected device running
the Palintest Aqua Pal app. Optional Palintest Portal data management available
Data Output Format
Plain text
Software Upload
Software update by ‘drag and drop’ in USB Hard Disk Mode