accumet™ XL250 Benchtop pH/ISE Dual Channel Meters

• High resolution color display shows data clearly from wide viewing angles and distances
• Optimized touch-screen with glass/glass sensitivity provides great ease of use
• Onscreen info includes date and time, stability indicator, alarms and context-specific help screens
• One to six point pH calibration with 0.001 pH resolution
• Automatic buffer recognition with six pH buffer sets or custom buffer option
• Two to six point ISE calibration with 0.001 ppm, mg/L or molar resolution
• ISE methods for known addition, known subtraction, analyte addition and analyte subtraction
• Automatic or manual temperature compensation, displayed in °C or °F
• Display two pH or ISE measurements simultaneously with dual channel BNC inputs
• Up to 10 password protected user ID accounts, each retains unique calibration and instrument settings with memory to store 2000 data points
• RS232 and USB interfaces for printer or computer interfacing and real-time onscreen graphing of measurements
• RJ45 Ethernet/Internet port to connect Local Area Network (LAN) or Internet
• Bidirectional communication for LIMS connectivity and 3rd party software
• Connectivity for peripherals such as keyboard, mouse or other USB device
• Multilanguage interface with English, German, Chinese, French, Italian and Spanish
• Two ports for optional stirring probe (13-620-BSP) with five speed settings
• Option to wall-mount meter to create additional bench space

NIST-Traceable Calibration Models (-CERT)

• Help meet ISO, FDA, USDA and EPA quality assurance guidelines
• Includes meter accuracy at five test points across pH range
• Includes meter accuracy at five test points across corresponding mV range
• Testing performed by accredited laboratory, includes NIST-Traceable certificate

Specifications

• pH Range: -2.000 to 20.000 pH
• pH Resolution: 0.1, 0.01, 0.001 pH
• pH Accuracy: ±0.002 pH
• ISE Range: 0.001 to 19999 ppm, mg/L or molar
• ISE Resolution: 0.001, 0.01, 0.1, 1 (automatic)
• ISE Accuracy: 0.5 % full scale (monovalent ion); 1 % full scale (divalent ion)
• mV Range: ±2000.0mV
• mV Resolution: 0.1mV
• mV Accuracy: ±0.2mV or ±0.05 %, whichever is greater
• mV Offset Adjustment: Up to ±150mV
• Temperature Range: -5° to +105°C (23° to 221.0°F)
• Temperature Resolution: 0.1°C (0.1°F)
• Temperature Accuracy: ±0.2°C (±0.3°F)
• Calibration Points: 1 to 6 points with automatic buffer recognition (ABR)
• ISE Calibration Points: 2 to 6 points
• ATC Temperature Calibration: Offset in 0.1°C increments; Offset range: ±5°C (±9°F)
• Memory: 2000 data sets per user ID with date/time stamp
• Self-Test: Yes
• Inputs: Two BNC, 2 mini-phone ATC, ground
• Power Requirements: 100 to 240VAC, 50/60Hz
• Dimensions (L x W x H): 24.6 x 17.3 x 9.9cm (9.7 x 6.8 x 3.9 in.)
• Weight: 1.13kg (2.5 lb.)

Applications
Pharmaceutical, biotech, research, QA/QC, industrial, food, beverage

Includes:
13-636-XL250A: accumet XL250 pH/ISE dual chan. meter, electrode stand, RS232 and USB cables, 100/240V univ power supply.

13-636-XL250F: accumet XL250 pH/ISE dual chan. meter, fluoride electrode (13-620-629), TRIS-compat double junc refillable pH electrode (13-620-183A), ATC probe (13-620-19), electrode stand, RS232 and USB cables, 100/240V univ power supply.

13-636-XL250N: accumet XL250 pH/ISE dual chan. meter, ammonia electrode (13-620-509), TRIS-compat double junc refillable pH electrode (13-620-183A), ATC probe (13-620-19), electrode stand, RS232 and USB cables, 100/240V univ power supply.

13-636-XL250: accumet XL250 pH/ISE dual chan. meter, TRIS-compat double junc refillable pH electrode (13-620-183A), ATC probe (13-620-19), electrode stand, RS232 and USB cables, 100/240V univ power supply.

XL250ACERT: accumet XL250 pH/ISE dual chan. meter, electrode stand, RS232 and USB cables, 100/240V univ power supply, NIST certif.

XL250CERT: accumet XL250 pH/ISE dual chan. meter, TRIS-compat double junc refillable pH electrode (13-620-183A), ATC probe (13-620-19), electrode stand, RS232 and USB cables, 100/240V univ power supply, NIST certif.