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Contrec 202A
Brand: Contrec LtdThe 202A is powered entirely from the 4-20mA current loop and has a maximum of 2.5 volts drop across the input.
The Analogue Input Rate Totaliser is fully programmable with linear or square law input relationships, programmable span, cutoffs and conversion factors.
A non-volatile memory stores all set up parameters and totals without the need for internal batteries or external power.
High and low alarms are standard via optically isolated solid state relay outputs. Alternatively, the high alarm output can be programmed to provide a scaled pulse output proportional to the total.
The 202A Rate Totaliser is housed in a rugged, yet attractive, IP67 (Nema 4X) polycarbonate enclosure which is completely watertight.
A wall mounting bracket is supplied as standard, while a 2″ pipe mounting bracket is available as an option.
Alternatively, the Model 202A can be supplied as a panel mount instrument.
The Model 202A is certified as intrinsically safe to European CENELEC standards, and CSA standards for both the USA and Canada.
Features- Powered by 4-20 Loop
- Displays Rate, Total and Accumulated Total
- Linear or Square Law Inputs
- High and Low Flow Rate Alarm
- Pulse Output
- Watertight to IP67 (Nema 4X)
- Wall, Pipe and Panel Mounting
- Intrinsically Safe
- Fully Programmable
- CE Compliant
Specifications
Brand
Type
- LCD display
Total
- 7-Digit 10 mm (0.4”) high LCD (continuously powered)
Accumulated Total
- Displayed when the Accumulated Total button is pressed
Rate
- 4-Digit 8.5 mm (0.33”) high LCD (continuously powered)
Span
- The units of measure (eg. gallons/sec) is programmable up to 999,999
Decimal Points
- Decimal point positions are fully programmable for both rate and tota
Time Base
- Span can be programmed in units per second, minute, hour or day
Frequency Range
- 0.01 Hz to 10 kHz
Signal Type
- 4-20 mA
Interference
- CE compliance
Operating Temperature
- -20° to +60° C, -4° to +140° F
Resolution & Linearity
- 0.05 % of Span
Accuracy
- 0.05 % of Span at 25° C. 0.1 % (typ) of span, full temperature range
Update Time
- 0.5 sec
Connection
- 2-Wire
Voltage Drop
- 2.5 volts Max.