Specifications
5
Calibration Methods
1. StablCal
®
(stabilized formazin) – primary or wet calibration of the instrument
2. Formazin – user-prepared primary or wet calibration of the instrument
3. Multi-sensor calibration – Performed with a specialized calibration procedure for up to eight
sensors on a single set of fresh StablCal
®
standards.
Verification (Wet) Method
1. StablCal
®
(stabilized formazin) – recommended for verification in the appropriate application
range of measurement. For regulatory verification, standards of 0.1. 0.3. 0.5 and 1.0 NTU
are available.
2. Formazin – fresh user-prepared standard
Verification (Dry) Method
1. ICE-PIC™ Verification Module with factory-set values of 20.0 or 1.0 ±25%. Unique value is
assigned when dry verification is done immediately after calibration and is used as pass/fail
criteria for subsequent verifications.
Recommended Cleaning
Intervals
1. Mandatory before calibration
2. Optional before verification
3. Mandatory upon verification failure
Languages English (default), German, Spanish, Nederlands
Installation Environment Indoor
Primary Compliance Method USEPA 180.1; Hach Method 8195; ASTM D 6698; Standard Methods 2130B
Limit of Detection 0.0032 NTU (according to criteria specified by ISO 15839)
Table 1 Turbidimeter Specifications (continued)
Table 2 Controller Specifications
Component Description
Microprocessor-controlled measuring unit with measured value display,
temperature display (for some parameters), and menu-driven system
Controller Operating Temperature
–20 to 60 °C (–4 to 140 °F); 95% relative humidity, non-condensing with
sensor load <7 W; –20 to 40 °C (–4 to 104 °F) with sensor load <25 W
Controller Storage Temperature –20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensing
Enclosure NEMA 4X/IP66 metal enclosure with a corrosion-resistant finish
Power Requirements
100–230 V ac ±10%, 50/60 Hz;
Power: 11 W with 7 W sensor load, 35 W with 25 W sensor load
Pollution Degree/Installation Category II; II
Outputs
Two (Analog outputs, each selectable for 0–20mA or 4–20 mA), maximum
impedance 500 ohm. Output span programmable over any portion of the 0–100
NTU range. Optional digital network connection
1
. Infrared Data Acquisition (IrDA).
Relays
Three SPDT, user-configurable contacts rated 100–230 V ac, 5 Amp
resistive maximum.
Controller Dimensions ½ DIN—144 x 144 x 150 mm (5.7 x 5.7 x 5.9 inches)
Controller Weight 1.6 kg (3.5 lb)
1. See Replacement Parts and Accessories on page 55.
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