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HCV-E-S

Electrical level indicators
with MIN level electrical sensor, temperature sensor and probe, transparent technopolymer
__logo__RoHS__ __logo__ELE_OD__ __logo__IP65__ __logo__PA-T__ __logo__PA__ __logo__g9030__
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Description

Main specifications

Material

Transparent polyamide based (PA-T) technopolymer. Highly resistant to shocks, solvents, oils with additives, aliphatic and aromatic hydrocarbons, petrol, naphtha, phosphoric esters.

Avoid contact with alcohol or detergents containing alcohol.

Screws, nuts and washers

Zinc-plated steel.

Packing rings

Step-shaped for the seal on the reservoir walls and NBR synthetic rubber O-ring screw underhead.

Suggested roughness of the packing ring application surface Ra = 3 µm.

Float

Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, with a built-in magnetic element to activate the electric contact when the float reaches the contact threshold indicated in the drawing (data referred to mineral oil type CB68, according to ISO 3498, temperature 23°C).

Floating is ensured by fluids with densities higher than 800 kg/m3.

Bracket with male connector

Perfectly watertight, incorporating the relay (reed) with two output conductors (NO and NC version) and/or with MAX temperature sensor (80°C) and/or temperature probe.

  • DIN 43650 C connector in glass-fibre reinforced polyamide based (PA) technopolymer, black colour.
  • 4-pole M12x1 connector, with threading in glass-fibre reinforced polyamide based (PA) technopolymer certified self-extinguishing UL-94-V0, black colour, matte finish.

For a correct assembly see Warnings.

Female connector (DIN 43650 C)

With built-in cable gland and contact holder. Front or axial output (high or low) ensuring protection against water sprays (protection class IP 65 according to table EN 60529).

Contrast screen

White lacquered aluminium. The housing, in the appropriate external rear slot, guarantees the best protection from direct contact with fluid.

It can be taken out from the inclined side, before assembly to allow the insertion of level lines or words.

Standard executions

See configuration table.

Maximum continuous working temperature

90°C (with oil).

General information

Features and performances

The HCV-E-S level indicators, in addition to the visual level indicator, also provide an electrical signal when the minimum fluid level value is reached.

The HCV-E-ST indicators also provide an electrical signal when the maximum preset temperature value (80°C) is reached.

The HCV-E-STL indicators provide an analogue electrical signal of the oil temperature.

The lateral connector output allows the level of intervention of the sensor to be minimised.

Ultrasound welding to guarantee a perfect seal.

Maximum fluid level visibility even from side positions.

Lens effect for a better visibility of the fluid level.

In case of use of an extension with angled connector, the direction of the cable output is shown in Fig.1.

Technical data

In laboratory tests carried out with mineral oil type CB68 (according to ISO 3498) at 23°C for a limited period of time, the weld stood up to: 18 bar (HCV.76), 18 bar (HCV.127) and 12 bar (HCV.254).

For use with other fluids and under different pressure and temperature conditions, please contact ELESA Technical Department.

In any case we suggest to verify the suitability of the product under the actual working conditions.

HCV_E_S_FIG1_EN.jpg 
HCV_E_S_AX_FIG1_EN.jpg 
Electrical features

Functioning of the sensors

  • NO: electrical contact closes when the minimum and/or preset temperature of 80°C is reached.
  • NC: electrical contact opens when the minimum and/or preset temperature of 80°C is reached.

Functioning of the temperature electrical probe (STL)

The working principle of the temperature probe is to measure the variation of resistance of a platinum element: 100 ohm = 0°C, 138.4 ohm = 100°C.

The function between temperature (T) and resistance (R) is approximately linear over a small temperature range: for example, if you assume that it is linear over the 0° to 100°C range, the error at 50°C is 0.4°C.

For precision measurement, it is necessary to linearise the resistance to give an accurate temperature. The most recent definition of the function between resistance and temperature is International Temperature Standard 90 (ITS-90). The function between resistance and temperature, obtained in laboratory tests, measuring directly the resistance value on the contacts is shown in the graph. We suggest, anyway, to set the system in order to compensate both heat dissipation and cable resistance.

The temperature variation of 1°C causes a 0.384 ohm variation in the probe resistance. Therefore, even a small error in the resistance measurement (for example, if the resistance of the cables connecting to the probe were not considered) translates into a significant error in the temperature measurement.

Because of the low signal levels, it is important to keep any cables away from electric cables, motors, switchgear and other devices that may emit magnetic or electrical noise. Using screened cable, with the screen grounded at one end, may help to reduce interference.

Furthermore, if long connection cables are used, make sure that the signal measurement and reception device is designed to compensate for the resistance of the cables themselves.

HCV-E-ST - HCV-E-ST-KN - HCV-E-ST-AX - HCV-E-ST-AX-KN
Electrical featuresMIN level sensor
Power supplyAC/DC
Electric contacts

NO normally open

NC normally closed

Maximum applicable voltageNO: 140 Vac, 200 VdcDIN 43650 C
NC: 140Vac, 150 Vdc
30 Vac, 30 VdcKN
Voltage range (Type KN)<30 Vac, <30 Vdc
Maximum switching current1 A
Maximum current

NO: 1.2A

NC: 2A

Maximum commutable power

NO: 10 Va

NC: 20 Va

Cable gland (only HCV-E-ST - HCV-E-ST-AX)Pg 7 (for cables in sheath with Ø 6 or 7 mm)
Conductors cross-section (only HCV-E-ST - HCV-E-ST-AX)Max. 1.5 mm2
Connector (only HCV-E-ST-KN - HCV-E-STL-AX-KN)M12x1
Do not mount this indicator in proximity to magnetic fields.
HCV-E-ST - HCV-E-ST-KN - HCV-E-ST-AX - HCV-E-ST-AX-KN
Electrical featuresMAX temperature sensor
Power supplyAC/DC
Electric contacts

NO normally open

NC normally closed

Voltage /

Maximum current

250 Vac - 2 A(resistive loads) DIN 43650 C
115 Vac- 3A
24 Vdc - 3 A
12 Vdc - 4 A
30 Vac, 30 VdcKN
Voltage range (Type KN)<30 Vac, <30 Vdc
Minimum current500 mA
Cable gland (only HCV-E-ST - HCV-E-ST-AX)Pg 7 (for cables in sheath with Ø 6 or 7 mm)
Conductors cross-section (only HCV-E-ST - HCV-E-ST-AX)Max. 1.5 mm2
Connector (only HCV-E-ST-KN - HCV-E-ST-AX-KN)M12x1
Do not mount this indicator in proximity to magnetic fields.
HCV-E-STL - HCV-E-STL-KN - HCV-E-STL-AX - HCV-E-STL-AX-KN
Electrical featuresMIN level sensor
Power supplyAC/DC
Electric contacts

NO normally open

NC normally closed

Maximum applicable voltageNO: 140 Vac, 200 VdcDIN 43650 C
NC: 140 Vac, 150 Vdc
30 Vac, 30 VdcKN
Voltage range (Type KN)<30 Vac, <30 Vdc
Maximum switching current1 A
Maximum current

NO: 1.2A

NC: 2A

Maximum commutable power

NO: 10 Va

NC: 20 Va

Cable gland (only HCV-E-STL - HCV-E-STL-AX)Pg 7 (for cables in sheath with Ø 6 or 7 mm)
Conductors cross-section (only HCV-E-STL - HCV-E-STL-AX)Max. 1.5 mm2
Connector (only HCV-E-STL-KN - HCV-E-STL-AX-KN)M12x1
Do not mount this indicator in proximity to magnetic fields.
HCV-E-STL - HCV-E-STL-KN - HCV-E-STL-AX - HCV-E-STL-AX-KN
Electrical featuresTemperature probe
Power supplyAC/DC
Maximum current1mA
Cable gland (only HCV-E-STL - HCV-E-STL-AX)Pg 7 (for cables in sheath with Ø 6 or 7 mm)
Conductors cross-section (only HCV-E-STL - HCV-E-STL-AX)Max. 1.5 mm2
Connector (only HCV-E-STL-KN - HCV-E-STL-AX-KN)M12x1
Do not mount this indicator in proximity to magnetic fields.
HCV_E_ST_ACC_CONT.jpg 
HCV_E_STL_ACC_CONT.jpg 
HCV_E_ST_KN_ACC_CONT_EN.jpg 
HCV_E_STL_KN_ACC_CONT_EN.jpg 
HCV_E_STL_ACC_GRAPHS_EN.jpg 
Other executions

Special executions on request

  • Level indicators with stainless steel screws, nuts and washers.
  • Level indicators HCV.76 with screws M12.
  • Level indicators for use with fluids containing alcohol.
  • UV resistant transparent technopolymer level indicators.
  • MAX temperature electrical sensor with trigger threshold at 70°C or 90°C.
Accessories on request

Accessories on request

FC.M12x1: extensions with 4 pole M12 female axial connector.

Instructions of use

Female connector assembly instructions

  • Remove the connector from the indicator by unscrewing the set screw placed on the connector, take the contact holders out and loosen the cable gland.
  • a) HCV-E-ST: insert the cable into the connector (standard connector) and connect the wires to terminals 1 and 2 for the operation of the MIN level sensor, to terminals 3 and ground (4) for the operation of the MAX temperature sensor.
  • b) HCV-E-STL: insert the cable into the connector (standard connector) and connect the wires to terminals 1 and 2 for the operation of the MIN level sensor, to terminals 3 and ground (4) for the operation of the temperature probe.
  • Assemble by pressing the contact holder into the connector in the required position.
  • Screw the connectors to the indicator and then tighten the cable glands.
HCV_E_S_ACC_ASSEMBLY_EN.jpg 
HCV_E_S_AX_ACC_ASSEMBLY_EN.jpg 

HCV-E-S

f d A B C H L e l l1 l2 m s d'-0.2 f'±0.2 C#
[Nm]		 __logo__weight__
Code Description Actions
11054 HCV.76-E-ST-NO-80-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11054-KN HCV.76-E-ST-NO-80-M10-KN 76 M10 20 19.5 30.5 47 102 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11055 HCV.76-E-ST-NC-80-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11055-KN HCV.76-E-ST-NC-80-M10-KN 76 M10 20 19.5 30.5 47 102 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11056 HCV.76-E-STL-NO-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11056-KN HCV.76-E-STL-NO-M10-KN 76 M10 20 19.5 30.5 47 280 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11057 HCV.76-E-STL-NC-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11057-KN HCV.76-E-STL-NC-M10-KN 76 M10 20 19.5 30.5 47 280 43.5 40 20 - 13 53 10.5 76 12 133 cart-icon
11061 HCV.76-E-ST-NO-60-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 124 cart-icon
11061-KN HCV.76-E-ST-NO-60-M10-KN 76 M10 20 19.5 30.5 47 102 43.5 40 20 - 13 53 10.5 76 12 129 cart-icon
11062 HCV.76-E-ST-NC-60-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 124 cart-icon
11062-KN HCV.76-E-ST-NC-60-M10-KN 76 M10 20 19.5 30.5 47 102 43.5 40 20 - 13 53 10.5 76 12 129 cart-icon
11065 HCV.76-E-ST-NO-70-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 124 cart-icon
11065-KN HCV.76-E-ST-NO-70-M10-KN 76 M10 20 19.5 30.5 47 102 43.5 40 20 - 13 53 10.5 76 12 129 cart-icon
11066 HCV.76-E-ST-NC-70-M10 76 M10 20 19.5 30.5 55 102 43.5 40 20 - 13 53 10.5 76 12 124 cart-icon
11066-KN HCV.76-E-ST-NC-70-M10-KN 76 M10 20 19.5 30.5 47 102 43.5 40 20 - 13 53 10.5 76 12 129 cart-icon
11071 HCV.127-E-ST-NO-60-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 158 cart-icon
11071-KN HCV.127-E-ST-NO-60-M12-KN 127 M12 20 19.5 30.5 47 153 97 50 30 - 13 63 12.5 127 12 162 cart-icon
11072 HCV.127-E-ST-NC-60-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 158 cart-icon
11072-KN HCV.127-E-ST-NC-60-M12-KN 127 M12 20 19.5 30.5 47 153 97 50 30 - 13 63 12.5 127 12 162 cart-icon
11075 HCV.127-E-ST-NO-70-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 158 cart-icon
11075-KN HCV.127-E-ST-NO-70-M12-KN 127 M12 20 19.5 30.5 47 153 97 50 30 - 13 63 12.5 127 12 162 cart-icon
11076 HCV.127-E-ST-NC-70-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 158 cart-icon
11076-KN HCV.127-E-ST-NC-70-M12-KN 127 M12 20 19.5 30.5 47 153 97 50 30 - 13 63 12.5 127 12 162 cart-icon
11081 HCV.254-E-ST-NO-60-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 197 cart-icon
11081-KN HCV.254-E-ST-NO-60-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 200 cart-icon
11082 HCV.254-E-ST-NC-60-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 197 cart-icon
11082-KN HCV.254-E-ST-NC-60-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 200 cart-icon
11085 HCV.254-E-ST-NO-70-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 197 cart-icon
11085-KN HCV.254-E-ST-NO-70-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 200 cart-icon
11086 HCV.254-E-ST-NC-70-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 197 cart-icon
11086-KN HCV.254-E-ST-NC-70-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 200 cart-icon
11115 HCV.127-E-ST-NO-80-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11115-KN HCV.127-E-ST-NO-80-M12-KN 127 M12 20 19.5 30.5 47 153 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11116 HCV.127-E-ST-NC-80-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11116-KN HCV.127-E-ST-NC-80-M12-KN 127 M12 20 19.5 30.5 47 153 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11117 HCV.127-E-STL-NO-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11117-KN HCV.127-E-STL-NO-M12-KN 127 M12 20 19.5 30.5 47 280 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11118 HCV.127-E-STL-NC-M12 127 M12 20 19.5 30.5 55 153 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11118-KN HCV.127-E-STL-NC-M12-KN 127 M12 20 19.5 30.5 47 280 97 50 30 - 13 63 12.5 127 12 153 cart-icon
11125 HCV.254-E-ST-NO-80-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11125-KN HCV.254-E-ST-NO-80-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11126 HCV.254-E-ST-NC-80-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11126-KN HCV.254-E-ST-NC-80-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11127 HCV.254-E-STL-NO-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11127-KN HCV.254-E-STL-NO-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11128 HCV.254-E-STL-NC-M12 254 M12 20 19.5 30.5 55 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11128-KN HCV.254-E-STL-NC-M12-KN 254 M12 20 19.5 30.5 47 280 224 50 30 - 13 63 12.5 254 12 180 cart-icon
11195 HCV.127-E-ST-AX-NO-M12 127 M12 21.8 20 31 25.5 201.5 97 50 30 29 28 - 12.5 127 12 223 cart-icon
11195-KN HCV.127-E-ST-AX-NO-M12-KN 127 M12 21.8 20 31 - 194.5 97 50 30 20 30 - 12.5 127 12 223 cart-icon
11196 HCV.127-E-ST-AX-NC-M12 127 M12 21.8 20 31 25.5 201.5 97 50 30 29 28 - 12.5 127 12 223 cart-icon
11196-KN HCV.127-E-ST-AX-NC-M12-KN 127 M12 21.8 20 31 - 194.5 97 50 30 20 30 - 12.5 127 12 223 cart-icon
11197 HCV.127-E-STL-AX-NO-M12 127 M12 21.8 20 31 25.5 201.5 97 50 30 29 28 - 12.5 127 12 223 cart-icon
11197-KN HCV.127-E-STL-AX-NO-M12-KN 127 M12 21.8 20 31 - 194.5 97 50 30 20 30 - 12.5 127 12 223 cart-icon
11198 HCV.127-E-STL-AX-NC-M12 127 M12 21.8 20 31 25.5 201.5 97 50 30 29 28 - 12.5 127 12 223 cart-icon
11198-KN HCV.127-E-STL-AX-NC-M12-KN 127 M12 21.8 20 31 - 194.5 97 50 30 20 30 - 12.5 127 12 223 cart-icon
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