Description

Accuracy:
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 – 10000 NTU

Ratio off: ±2% of reading plus 0.01 NTU from 0 – 40 NTU
Accuracy 3:
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
Air purge:
Dry nitrogen or instrument grade air (ANSI MC 11.1, 1975)
0.05 L/s at 69 kPa (10 psig); 138 kPa (20 psig) max
Hose barb connection for 1/8-inch tubing
Certifications:
CE, KC, RCM
Communication:
USB
Compliance:
EPA
Data logging:
2000 total logs, includes reading log, verification log and calibration log
Dimensions (H x W x D):
153 mm x 395 mm x 305 mm
Display:
17.8 mm colour touch screen
Interface:
2 USB-A ports for USB flash drive, external printer, keyboard and barcode scanner
Light source:
Tungsten filament lamp
Measurement method:
Nephelometric
Measuring range:
0 – 10000 NTU
Model:
TL2350 EPA
Operating temperature range:
0 – 40 °C
Power requirements (Amps):
3.4 A
Power requirements (Hz):
50/60 Hz
Power requirements (Voltage):
100 – 240 VAC
Range:
NTU (Ratio on): 0 – 10000 auto decimal

NTU (Ratio off): 0 – 40

EBC (Ratio on): 0 – 2450 auto decimal

EBC (Ratio off): 0 – 9.8

Absorbance (auto range): 0 – 1.0

Transmittance (%): 1.0 – 100

Degree (mg /L): 1 – 100
Reading modes:
Single, continuous, Rapidly Settling Turbidity, signal averaging on or off, ratio on or off
Regulatory:
Meets EPA Method 180.1
Repeatability:
±1% of reading or 0.01 NTU, whichever is greater (under reference conditions)
Response time:
Signal averaging off: 6.8 seconds / Signal averaging on: 14 seconds (when 10 measurements are used to calculate the average)
Sample cell compatibility:
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.
Sample requirements:
25 mm sample cell: 20 mL minimum
0 to 70 °C (32 to 158 °F)
Source Lamp:
Tungsten Lamp
Stabilisation time:
Ratio on: 30 minutes after start-up

Ratio off: 60 minutes after start-up
Storage conditions:
-20 to 60 °C
Units:
NTU, EBC, Abs (absorbance), %T (% transmittance) and mg/L
Warranty:
12 months
Weight:
3.0 kg
What’s included?:
TL2350 Turbidimeter, silicone oil, oiling cloth, USEPA filter assembly, 1-inch sample cells (30 mL) with caps (6x), Gelex secondary turbidity standardization kit, Stablcal calibration kit, power supply, power cord, dust cover

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