Hach TL2300 Manuel D'utilisation De Base page 4

Specification
1, 2, 3
Accuracy
Resolution
Repeatability
Response time
Stabilization time
Reading modes
Communication
Interface
Datalog
Air purge
Sample cells
Sample requirements
Certification
Warranty
Section 2 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.
2.1 Additional information
Additional information is available on the manufacturer's website.
1
Turbidity specifications identified using USEPA filter assembly, recently prepared formazin
standard and matched 1-inch sample cells.
2
Intermittent electromagnetic radiation of 3 volts/meter or greater may cause slight accuracy
shifts.
3
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 based on formazin primary standard
Ratio off: ±2% of reading plus 0.01 NTU from 0–40 NTU
Turbidity: 0.001 NTU/EBC (on lowest range)
±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, ratio on or off
USB
2 USB-A ports for USB flash drive, Seiko DPU-S445 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
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
1
/ -inch tubing
8