General Information; Additional Information - Hach TL2350 Manuel D'utilisation De Base

Specification
2, 3, 4
Accuracy
Resolution
Repeatability
Response time
Stabilization time
Reading modes
Communication
Interface
Datalog
Air purge
Sample cells
Sample requirements
Certification
Warranty

General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer's website.

Additional information

Additional information is available on the manufacturer's website.
2
Turbidity specifications identified using USEPA filter assembly, recently prepared formazin
standard and matched 25-mm sample cells.
3
Intermittent electromagnetic radiation of 3 volts/meter or greater may cause slight accuracy
shifts.
4
Reference conditions: 23 ± 2 °C, 50 (± 10)% RH noncondensing, 100–240 VAC, 50/60 Hz
4 English
Details
Ratio on: ±2% of reading plus 0.01 NTU from 0–1000 NTU, ±5% of reading from
1000–4000 NTU, ±10% of reading from 4000–10,000 NTU
Ratio off: ±2% of reading plus 0.01 NTU from 0–40 NTU
Absorbance: ±0.01 Abs from 0–0.5 Abs at 455 nm, ±2% Abs from 0.5–1 Abs at 455 nm
Transmittance: 2% T from 10–100% T at 455 nm
Turbidity: 0.001 NTU/EBC
Absorbance: 0.001 Abs
Transmittance: 0.1% T
±1% of reading or 0.01 NTU, whichever is greater (under reference conditions)
Signal averaging off: 6.8 seconds
Signal averaging on: 14 seconds (when 10 measurements are used to calculate the
average)
Ratio on: 30 minutes after start-up
Ratio off: 60 minutes after start-up
Single, continuous, Rapidly Settling Turbidity
off
USB
2 USB-A ports for USB flash drive, external printer, keyboard and barcode scanner
Maximum 2000 total logs, includes reading log, verification log and calibration log
Dry nitrogen or instrument grade air (ANSI MC 11.1, 1975)
0.1 scfm at 69 kPa (10 psig); 138 kPa (20 psig) maximum
Hose barb connection for
Round cells 95 x 25 mm (3.74 x 1 in.) borosilicate glass with rubber-lined screw caps
Note: Smaller sample cells (less than 25 mm) can be used when a cell adapter is used.
25 mm sample cell: 20 mL minimum
0 to 70 °C (32 to 158 °F)
CE, KC, RCM
1 year (EU: 2 years)
™
, signal averaging on or off, ratio on or
1
/ -inch tubing
8