Complete measuring point for pH, conductivity or oxygen

Complete measuring point for pH, conductivity and oxygen with Memosens technology

Analytical measuring point with Liquiline CM14

from € 626.-

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Documentation

Easy calibration
Use of pre-calibrated sensors
Second current output for temperature

Specs at a glance

Dimensions	96 × 48 × 175 mm
Input signal	1 × Memosens
Output	2 × relays, 2 × analog, 1 × parameter, 1 × temperature
Display	LCD – 2 lines; black/white/ yellow; alarm modus: color alteration into red; toggle function

Product / Version	Price / pcs. in EUR			Order code
pH measuring kits	1 to 3	4 to 10	11+
CM14 pH-Kit 1 complete measuring loop Transmitter, 10m measuring cable, digital sensor pH comb.Electrode CPS11D,A-glass 1-12 pH Memosens	763,-	687,-	626,-	71136420 Add to cart
CM14 pH-Kit 2 complete measuring loop Transmitter, 10m measuring cable, digital sensor pH comb.Electrode CPS11D,B-glass 1-14 pH Memosens	763,-	687,-	626,-	71136421 Add to cart
CM14 pH-Kit 3 complete measuring loop Transmitter, 10m measuring cable, digital sensor pH sensor CPF 81D, 0-11 pH Memosens	880,-	792,-	722,-	71136419 Add to cart

Product / Version	Price / pcs. in EUR			Order code
Conductivity measuring kits	1 to 3	4 to 10	11+
CM14 conductivity Kit 1, conductive complete measuring loop Transmitter, 10m measuring cable, digital sensor conductivity sensor CLS15D, k=0,01 1/cm Memosens	1.049,-	944,-	860,-	71136251 Add to cart
CM14 conductivity Kit 2, conductive complete measuring loop Transmitter, 10m measuring cable digital sensor conductivity sensor CLS15D, k=0,1 1/cm Memosens	1.049,-	944,-	860,-	71136252 Add to cart
CM14 conductivity Kit 3, inductive complete measuring point, transmitter CM14-AAL, digital Memosens conductivity sensor CLS50D-AA1B31, Threat G3/4, PEEK, cable length 15m	1.482,-	1.334,-	1.215,-	71136253 Add to cart

Product / Version				Price / pcs. in EUR			Order code
O2 measuring Kit				1 to 3	4 to 10	11+
CM14 DO Kit 1 complete measuring loop Transmitter, 10m measuring cable digital sensor DO sensor COS51D, Memosens				1.445,-	1.301,-	1.185,-	71136585 Add to cart

Prices valid until 30.09.2020 in EUR per unit (not including shipping and applicable sales tax). See
Endress+Hauser Terms and Conditions

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Application

Liquiline CM14 is a 4-wire transmitter with a compact design for mounting in control panels or cabinets. Possible areas of application are wastewater treatment, water preparation and monitoring of drinking water, ion exchangers and surface water monitoring.

Function

Sensors for pH, conductivity and oxygen record the measurement values at the site. These are transmitted digitally to the Liquiline CM14 transmitter using Memosens technology.
The transmitter converts the signal into an 0/4 to 20 mA signal. In addition to this, temperature can be output as a second current signal. Two limit relays enable monitoring of signals for minimum,

Application example

1 Assembly with sensor (please order armature separately)
2 Measuring cable
3 Transmitter Liquiline CM14

Technical data

Input

Input type	Digital sensor input Memosens
Cable type	Memosens data cable CYK10 or sensor fixed cable, each with cable end sleeves or M12 round-pin connector
Cable length	10 m (max. 100 m) / 33 ft (max. 330 ft)

Output

Output signal	2 × 0/4 to 20 mA active, potentially isolated from one another and from the sensor circuit
Load	Max. 500 Ω
Linearisation/ transmission behaviour	Linear
Status output	"Open collector"

Relay output

Relay type

2 changeover contacts

Switching current

Max. 0.5 A @ 24 V DC

max. 0.5 A @ 253 V AC

min. 100 mW (5 V / 10 mA)

Cable cross section

max. 2.5 mm² (14 AWG)

Power supply

Supply voltage

Wide range power supply 24 to 230 V AC/DC (–20 % / +10 %) 50/60 Hz

Performance characteristics

Response time	Current output t₉₀ = max. 500 ms for an increase from 0 to 20 mA
Reference temperature	25 °C (77 °F)
Resolution current output	>13 Bit

Installation conditions

Mounting location

Panel, cutout 92 × 45 mm (3.62 × 1.77")

Max. panel thickness 26 mm (1")

Mounting orientation

The mounting orientation is determined by the display readability

Max. angle of view +/– 45° of the display center axis in each direction.

Environment

Ambient temperature range	–10 to +60 °C (14 to 140 °F)
Storage temperature range	–40 to +85 °C (–40 to 185 °F)
Electromagnetic compatibility	Interference emission and interference immunity as per EN 61326-1:2006, class A for industrial use
Ingress protection	Front: IP65 / NEMA 4X Body: Protection against contact IP20
Relative humidity	5 to 85 %, non-condensing

Mechanical construction

Weight	0.3 kg (0.66 lbs)
Materials	Housing, body: Polycarbonate Front membrane: Polyester, UV resistant
Terminals	max. 2.5 mm² (14 AWG) Mains, relays

Certificates and approvals

CE mark

Declaration of conformity

The product meets the requirements of the harmonized European standards. It thus complies with the legal requirements of the EC directives. The manufacturer confirms successful testing of the product by affixing the CE symbol.

Dimensions (in mm)

**Installation according to instruction manual**

Electrical connection

pH measurement

Orbisint CPS11D

**Dimensions in mm**

**Installation according to instruction manual**

Technical data Orbisint CPS11D (glass electrode)

Measuring variables	pH value, temperature
Measuring ranges	pH kit 1:1 to 12 pH pH kit 2: 1 to 14 pH
Process temperature	pH kit 1: –15 to 80 °C (5 to 176 °F) pH kit 2: 0 to 135 °C (32 to 275 °F)
Process pressure	pH kit 1: 0 to 6 bar pH kit 2: 0 to 16 bar
Minimum conductivity	Min. 50 μS/cm
Diaphragm	PTFE ring diaphragm

Orbipac CPF81D

Technical data Orbipac CPF81D (glass electrode)

Measuring variables	pH value, temperature
Measuring range	0 to 11 pH
Process temperature	0 to 80 °C (32 to 176 °F)
Process pressure	0 to 10 bar @ 80 °C (0 to 145 psi @ 176 °F)
Glass impedance	150 MΩ @ 25 °C (77 °F)
Minimum conductivity	Min. 50 μS/cm

Conductivity sensors, conductive

Condumax CLS15D

Technical data Condumax CLS15D

Measuring variable	Conductivity, temperature
Measuring ranges	Conductivity kit 1: 0.04 to 20 μS/cm, k = 0.01 cm^–1 Conductivity kit 2: 0.1 to 200 μS/cm, k = 0.1 cm^–1
Process temperature	–20 to 120 °C (–4 to 248 °F)
Process pressure	12 bar @ 20 °C (174 psi @ 68 °F)
Maximum measured error	2 % of the measured value
Repeatability	0.2 % of the measured value + 3 nS/cm

Conductivity sensors, inductive

Indumax CLS50D

Technical data Indumax CLS50D

Measuring variables	Conductivity, temperature
Measuring range	2 μS/cm to 2000 mS/cm (uncompensated)
Process temperature	–20 to 125 °C (–4 to 260 °F)
Process pressure	Max. 20 bar (290 psi)
Maximum measured error	–20 to 100 °C (–4 to 212 °F): ±(5 μS/cm + 0.5 % of the measured value) >100 °C (212 °F): ±(10 μS/cm + 0.5 % of the measured value)
Temperature response time	Approx. 7 min

Oxygen sensors

Oxymax COS51D

Technical Data Oxymax COS51D

Measuring variable	Dissolved oxygen, temperature
Measuring range	0.01 to 100 mg/l; 0.00 to 1000 % SAT; 0 to 2000 hPa
Response time	t₉₀: 3 minutes t₉₈: 8 minutes (each @ 20 °C / 68 °F)
Process temperature	–5 to 50 °C (20 to 120 °F)
Process pressure	Max. 10 bar (145 psi) Underpressure operation is not permissible
Maximum measured error	±1 % of measured value
Repeatability	±1 % of measured value

More documents for CM14