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PRECIMEASURE Exhibiting its Products in AFRICA ELECTRICITY, 15-17 November 2011, Gallagher Convention Centre, Johannesburg, SOUTH AFRICA. STAND No.: D19

Mercury Switch Instruments

Up to 4 Nos. of Mercury-Switches can be provided for Alarm, Trip and Cooler System functions. Mercury Switches are used for both AC and DC Load.
Model 1001
Dial Diameter
150mm (6") Round Type
Angular Sweep
270°
Standard Range
0-150°C, 20-140°C & 30-150°C
Accuracy
±1% of FSD
Graduations
1°C per division
Instrument Case
Weatherproof pressure die-cast Aluminium Alloy Casting with Light grey powder coated at all sides. Protective Class IP55 as per IEC 60529
Capillary Entry
Bottom or Top of the case
Cap. Length
Up to 25 Meters
Cap. Tubing
Capillary line protected by flexible Stainless Steel Armour
Download PDF
Model 1001
Maximum Number of Switches
4
Switch Type
Dry electrode mercury in glass
Switch Rating
5A AC/DC at 250V
Switches
Normally Open Type
Switch Differential
6 – 90 °C (Close to Open & Vice Versa)
Switch Accuracy
±2.5°C of Set Value
Contact Type
Switch Contacts are Potential Free
All Line to Body (Earth) High Voltage Breakdown Tested
2.5 KV AC, 50 Hz. for 60 seconds
Terminal Type
WAGO Terminals – Press Fit Type
Model 1002
Dial Type
115mm Segment Dial
Angular Sweep
60°
Standard Range
0-150°C, 20-140°C & 30-150°C
Accuracy
±1.5% of FSD
Graduations
2°C per division
Instrument Case
Weatherproof pressure die-cast Aluminium Alloy Casting with Light grey powder coated at all sides. Protective Class IP55 as per IEC 60529
Capillary Entry
Bottom or Top of the case
Cap. Length
Up to 25 Meters
Cap. Tubing
Capillary line protected by flexible Stainless Steel Armour
Download PDF
Model 1002
Maximum Number of Switches
4
Switch Type
Dry electrode mercury in glass
Switch Rating
5A AC/DC at 250V
Switches
Normally Open Type
Adjustable Range
10 – 90% of Full Scale Range
Switch Differential
6 – 90 °C (Close to Open & Vice Versa)
Switch Accuracy
±2.5°C of Set Value
Contact Type
Switch Contacts are Potential Free
All Line to Body (Earth) High Voltage Breakdown Tested
2.5 KV AC, 50 Hz. for 60 seconds
Terminal Type
WAGO Terminals – Press Fit Type
Model 1003
Dial Diameter
150mm (6") Round Type
Angular Sweep
270°
Standard Range
0-150°C
Accuracy
±1.5% of FSD
Graduations
2°C per division
Instrument Case
Weatherproof pressure die-cast Aluminium Alloy Casting with Light grey powder coated at all sides. Protective Class IP55 as per IEC 60529
Capillary Entry
Bottom of the case
Cap. Length
Up to 6 Meters
Cap. Tubing
Capillary line protected by flexible Stainless Steel Armour
Download PDF
Model 1003
Maximum Number of Switches
2
Switch Type
Heavy Duty Dry Electrode Mercury in Glass
Switch Rating
2A AC/DC at 250V ±10%
Switches
Normally Open Type
Adjustable Range
10 – 90% of Full Scale Range
Switch Differential
8°C Fixed
Switch Accuracy
±2.5°C of Set Value
Contact Type
Switch Contacts are Potential Free
All Line to Body (Earth) High Voltage Breakdown Tested
2.5 KV AC, 50 Hz. for 60 seconds
Oil Temperature Indicator
4 Core Copper Cable for Switch Connections –(Length as per Customer Requirement)
Winding Temperature Indicator
4 Core for Switch connections and 2 Core Copper Cable for CT Connection (Length as per Customer Requirement)
Model 1030
Dial Type
115mm Segment Dial
Angular Sweep
60°
Standard Range
0-150°C
Accuracy
±1.5% of FSD
Graduations
2°C per division
Instrument Case
Weatherproof pressure die-cast Aluminium Alloy Casting with Light grey powder coated at all sides. Protective Class IP55 as per IEC 60529
Capillary Entry
Bottom of the case
Cap. Length
Up to 6 Meters
Cap. Tubing
Capillary line protected by flexible Stainless Steel Armour
Download PDF
Model 1030
Maximum Number of Switches
2
Switch Type
Heavy Duty Dry Electrode Mercury in Glass
Switch Rating
2A AC/DC at 250V ±10%
Switches
Normally Open Type
Adjustable Range
10 – 90% of Full Scale Range
Switch Differential
8°C Fixed
Switch Accuracy
±2.5°C of Set Value
Contact Type
Switch Contacts are Potential Free
All Line to Body (Earth) High Voltage Breakdown Tested
2.5 KV AC, 50 Hz. for 60 seconds
Oil Temperature Indicator
4 Core Copper Cable for Switch Connections (Length as per Customer Requirement)
Winding Temperature Indicator
4 Core for Switch connections and 2 Core Copper Cable for CT Connection (Length as per Customer Requirement)
Mercury switches Instruments with Repeater (ML 2247) for Remote Temperature Indication
A simple slide wire precision wound potentiometer (0-2800 Ohms) suitable for connecting to Digital Repeater is incorporated in the Instrument. This is driven directly from the mechanism inside. The Remote Indication can be obtained by connecting Digital Repeater directly to Local instrument. This facility is available with all the below Models:
  • ML 1001 with Repeater
  • ML 1002 with Repeater
Input
0 - 2800 Ohms
Range
0-150°C (Equal to Main Instruments)
Display Resolution
0.1°C
Accuracy
±1°C of Main Instrument
Power Supply
90-260V AC/DC
Overall Dimensions
96(H) x 96(W) x 150(D) mm
Mounting
Cutout Through Panel mounting with Side Clamp
Enclosure
IP-40
Operating Temperature
0°C to 60°C
Storage Temperature
-30°C to 70°C
Option-1
4-20mA Output for SCADA
Option-2
2 Changeover relay contact for Alarm & Trip Duties
Download PDF
Mercury switches Instruments with Repeater (ML 2247)
Mercury switches Instruments with Remote Indicator (ML 2245)
  • 4-20mA DC output from the main Instrument can be connected to Remote Indicator or SCADA or Combination of both
  • Pt-100 Sensor is embedded inside the Sensing bulb
  • Current Converter Unit and Winding Temperature simulator is mounted inside the Main Instruments
  • Power Supply of +24V DC connected to CCU to Remote Indicator also carries the output current of 4-20mA from CCU
This facility is available with all the below Models:
  • ML 1001H with Remote Indicator
  • ML 1002H with Remote Indicator
  • ML 1003H with Remote Indicator
  • ML 1030H with Remote Indicator
Input
4-20mA DC Current
Range
0-150°C (Equal to Main Instruments)
Display Resolution
0.1°C
Accuracy
±1.5% of FSD
Power Supply
90-260V AC/DC
Overall Dimensions
96(H) x 96(W) x 150(D) mm
Mounting
Cut-out Through Panel mounting with Side Clamp
Enclosure
IP-40
Operating Temperature
0°C to 60°C
Storage Temperature
-30°C to 70°C
Option-1
4-20mA Output for SCADA
Option-2
2 Changeover relay contact for Alarm & Trip Duties
Download PDF
Mercury switches Instruments with Remote Indicator (ML 2245)