Model 672E

Model 672E Electrode Conductivity and % Concentration Analyzer

  • Measure Conductivity or % Concentration
  • Built-in Concentration Tables
  • Four Temperature Compensation Methods
  • Simple Automated Calibration
  • Multiple, Standard Outputs
  • Flexible Relay Control
  • NEMA 4X Protection
  • Multiple Displays
       

Operational:

Display
4-1/2 digit LCD with measurement unit and setup function identifiers, 7/8” (22 mm) high digits
Measuring Ranges (selectable):
MicroSiemens/cm milliSiemens/cm Siemens/cm
0.0-20.00 mS/cm 0.0-2.00 S/cm
0.0-2000 μS/cm 0.0-200.00 mS/cm  
  0.0-2000 mS/cm  
NOTE : The listed full-scale value for any range is decreasingly adjustable
Concentration
0.0-100.0%
Temperature
(-) 10.0 to (+) 200.0°C (14 to 392°F)
Ambient Conditions
-20 to 60°C (-4 to 140°F); 0 to 95% relative humidity, non-condensing.
Relay Function:
Operating Modes: Control: with set point and adjustable deadband
Alarm: Dual-alarm relay operation with low and high alarm points
Outputs: Two SPDT contact outputs, U.L. rating: 5A 115/250 VAC, 5A @ 30 VDC resistive
Auto Temperature Compensation (Selectable)
None,
User-entered linear % per °C
User-entered temperature curve vs % / °C
Automatic over-10 to +200 °C when using built-in solution concentration conversion table
Accepts Pt 1000Ω RTD temperature sensor
Sensor-To-Analyzer Distance
Full scale range Max. length
200 to 2000 microSiemens/cm 200 feet
2000 to 2,000,000 microSiemens/cm 300 feet
Power Requirements
100-137 VAC, 50/60Hz (less than 6VA), Optional 200-275 VAC, 50/60 Hz
Analog Outputs*
(with output hold feature)
Isolated 4-20 mA, 600 ohms maximum load
Isolated 0-5 VDC, 50K ohms maximum load
Isolated 0-1 mA, 100 ohms Maximum load

Range Expand – The analog outputs can be made to represent any segment of the measuring scale.

*Each output is isolated from the input, ground and line power, but not from each other.
Analyzer Performance (Electrical, Analog Output):
Sensitivity
0.3% of span
Stability
0.1% of span per 24 hours, non-cumulative
Non-Linearity
0.5% of span
Repeatability
0.2% of span or better
Temperature Drift
Zero: 0.025% of span per °C;
Span: 0.025% of span per °C
Response Time
Selectable; 0.1, 1, 10 or 30 seconds to 90% of value upon step change.
Mechanical:
Enclosure
NEMA 4X, ½ DIN Polycarbonate with two ½ - inch conduit holes and two stainless steel mounting brackets
Mounting
Surface panel, and horizontal pipe mount. Vertical pipe mounting optional
Net Weight
3.5 Ibs. (1.58 kgs) approximately

Ordering Information

Please choose one from each category to build your product number.
MODEL NUMBER 672E Microprocessor based analyzer in NEMA 4X, ½ DIN, Polycarbonate enclosure with two stainless steel brackets for panel, surface or pipe mounting
LINE VOLTAGE V1 115 VAC, 50/60 Hz
V2 230 VAC, 50/60 Hz
ANALOG OUTPUT I0 No mA
I1 Isolated mA
RELAYS R0 No Relays
R1 With Relays
N Standard Instrument
K Special Instrument

Dimensions (Inches (mm)):

Model 672E dimensions