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Sirco Genie - Model J -Portable Sampler
The SIRCO GENIE-J Sampler is the smallest Sampler in the GENIE Range. It is microprocessor based and features great flexibility in both the programming and operational function fields. The Programming flexibility is enhanced by the use of a REAL-TIME clock, enabling the actual desired day, dale and lime fo be entered (to the nearest minute), in parameters such as DELAY, START and END TIME. The interval between samples is selectable from 1 minute to 24 hours, in 1 minute increments with the time that the next sample is due to be taken being displayed.
SAMPLING PROGRAMMES
A total of four sampling programmes are available - one factory set programme - and three programmes which the user may set. These may be set to regularly used sequences in order to facilitate rapid on site installation (particularly important on these portable units which may be required to operate in several different locations with varying sampling parameters).
An additional programme is available if required. This is the STAND-BY programme, i.e. the Sampler `stands by` until it receives a contact closure signal at the EX-T input before taking a sample, and then takes samples on a timed interval basis until the signal is removed.
Also, a REVIEW facility is provided, so that the parameters set in any programme can easily be checked.
Included as standard are facilities for operating from external equipment, such as a Flow Monitor. These consist of an EXTERNAL TRIGGER, which will accept a contact closure or open collector transistor output, and a 4-20 mA signal input.
Programmed into the GENIE-J Sampler is a RE-TRY function. This means that should the Sampler fail to take a sample at the first attempt it will try again. On the second attempt, the sampler adds 50% of the set Purge Time to the purge and vacuum duration. Should this second attempt fail, the sampler will make a third attempt - adding a further 50% of the set Purge Time. If this third attempt fails, the sampler shuts down to await the next sample initiation signal.
REMOTE CONTROL AND PROGRAMMING
GENIE Samplers are fitted with an RS232C interface, allowing communication between the Sampler Controller and a computer which has serial communications software {such as Windows Terminal) installed. The protocol used is simple two-wire and ground. The facility gives full remote control via the computer keyboard, including program and interrogate functions.
Connection to the computer is via an Auxiliary Socket on the Sampler Chassis.
CONTROLLER OPERATION
The SIRCO™ GENIE Controller is a Microprocessor based unit with a 40 character x 4 line Liquid Crystal Display and 16 Tactile Keys with audible data entry.