Instruction Manual

E. SENSORS
1. CONDUCTIVITY/ TDS
750 Series II Conductivity/TDS Monitor/controllers use the
CS51LC, CS51 or CS52 Series sensor depending on range.
The 1.0 cell constant CS51 model is recommended for ranges
of 0-10 through 20,000 µS/ppm. Its compact size allows
mounting in a standard 3/4” tee. The sturdy polypropylene
bushing is modular for easy, inexpensive replacement. Other
models available by special order.
CS52 sensors have a 10.0 cell constant and are used for
conductivity/TDS values above 20,000 µS/ppm.
CS51LC sensor has a cell constant of 0.1 and is used for
conductivity/TDS values of 0-1 to 0-5 µS/ppm.
Special order High Temperature, High Pressure sensors;
and Low Cost, Low Temperature, Low Pressure sensors are
available. For detailed descriptions of these and other sensors,
seeSensorSelectionGuideandspecicsensordatasheets
available from your local distributor, the Myron L Company, or
on line at www.myronl.com.
2. RESISTIVITY
750 Series II Resistivity Monitor/controllers use the CS10
sensor. It has a cell constant of 0.05 and is used for ultra pure
water applications. Other models available by special order.
3. SENSOR SPECIFICATIONS
See sensors price list for complete selection and details.
STANDARD MODELS — 316 Stainless Steel CONSTANT
CS51LC: For ranges 0-5 µS/ppm & below 0.1
CS51: For ranges between 0-10 & 0- 20,000 µS/ppm 1 . 0
CS52: For ranges above 20,000 µS/ppm 10.0
CS10: For ALL Resistivity ranges 0.05
See Range Selection Guide, Page 8.
SPECIAL ORDER MODELS — 316 Stainless Steel
CS40  Conductivity/TDSValveInsertable100psi@120°C
(10.0, 1.0, 0.1 & 0.05)
CS40HT Above High Temp Model
(Temporarily unavailable; contact manufacturer)
CS41  Cond/TDSHighTempModel100psi@150°C
CS41HT Cond/TDSHighTempModel250psi@205°C
CS50  Conductivity/TDS100psi@95°C(1.0&0.1)
CSA Low Cost Conductivity/TDS - NO Temperature
    Compensation75psi@60°C(1.0)
CSATC Low Cost Conductivity/TDS - with Temperature
    Compensation75psi@60°C(1.0)
4. SENSOR OPTIONS
-T Titanium - in place of Stainless Steel
  -TP  TemperatureSensor0-200°C(specialorder)
  -WTV Wet-TapValveforCS40(0.1&1.0only)
-JB Junction Box - Class I, Group D, Div. S,
explosion and weather proof aluminum.
For CS40/CS40HT.
-STF Sanitec Fitting for CS10, CS51 & CS51LC.
1/2” thru 4”. State size, i.e. STF1/2.
-25 25’ Shielded Cable (Standard 5 wire sensor)*
-100 100’ Shielded Cable (Standard 5 wire sensor)*
  -PV 1/2”PVDFttingforCS10&CS51ONLY
(replaces polypropylene)
  -HPSS 1/2”316STAINLESSSTEELtting
for CS10 & CS51 ONLY (replaces
polypropylene).
* -TP Sensor 8 wire cable, contact the Myron L Company
TEMPERATURE COMPENSATION
  Automaticto25°C,between0-100°C/32-212°F
  excepthightemperaturemodels-upto205°C.
PRESSURE/TEMPERATURE LIMITS
  CS10&CS51-689.6kPa/100psiat100°C/212°F
  Forhigherlimits,seespecicationsbelow.
BUSHING
CS51 (LC): Modular Polypropylene threaded 3/4” NPT
CS52: 316 stainless steel 3/4” NPT internal to cell body
CS10: Modular Polypropylene threaded 3/4” NPT
CABLE
Shielded; 10ft./3 meters standard
25ft./7 meters and 100ft./30 meters lengths also
available
DIMENSIONS
CS51(LC): Metal portion 30mm/1.2 in. L;
13mm/0.5 in. DIA
CS10: Metal portion 30mm/1.2 in. L; 13mm/0.5 in. DIA
Forothermodelsseesensorselection&specicdatasheetsfor
details.
F. ORDERING INFORMATION
1. HOW TO ORDER MONITOR/CONTROLLERS
EXAMPLE:
MODEL RANGE OPTIONS
758II — 121 — SC - 4A - PA
Written as — 758II-121-SC-4A-PA
This is a Digital Monitor/controller with a 0-2000 µS range, a
Second Alarm/control, a 4-20 mA output and a Piezo Electric
Alarm.
NOTE: Monitor model number does not include sensor. Please
specify sensor required when ordering.
RANGE SUFFIXES:
See RANGE SELECTION GUIDE, Page 8.
2. HOW TO ORDER SENSORS
Add option to model number as in examples below.
EXAMPLE:
MODEL OPTIONS
CS51 — T-TP-100
Written as — CS51-T-TP-100
The above is a model CS51 sensor made with Titanium, with the
Temperature sensor, and a 100 foot cable.
EXAMPLE:
MODEL OPTIONS
 CS41HT— 01-T-WTV-TP
Writtenas — CS41-01-T-WTV-TP
The above is a Special Order High Temperature sensor with a
cellconstantof0.1,madeofTitanium,aWet-TapValveanda
Temperature sensor.
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