Gemini Tinyview TV-0020 Bedienungsanleitung

Gemini Data LoggersGemini Data Loggers

Tinyview Logger Manual

The name ‘TINYVIEW’ covers a range of

miniature dataloggers fitted with LCD display,

capable of recording and displaying readings.

TINYVIEW offers many features including:

•14992 Reading capacity

•LCD display: 4 digits plus indicators

•Logging intervals of 1 second to 10 days

•Programmable delayed and trigger start

•Off-load whilst logging

•Min/Max/Actual readings

•Two programmable alarms

•3 Stop options

•Manufactured to BS EN ISO9002

•Complies with EN 50082 Pt1&2: 1992/95

TV-0020 TV-0050 TV-0073 TV-0076

TV-0104 TV-0204 TV-0304

9800-4346 Iss. 3 E&OE.

If this equipment is installed or used in a

manner not specified by the manufacturer then

the protection provided by the equipment may

be impaired.

This equipment contains a lithium battery

which must not be cut open, incinerated,

exposed to temperatures above 85°C (185°F)

or recharged. Dispose of in accordance with

local regulations.

The lithium battery should be replaced by a

trained technician using the battery supplied in

the appropriate manufacturer’s service pack.

This equipment should only be interfaced to a

UL or CSA listed computer.

WARNINGS

This equipment should only be interfaced to

equipment which is powered by a Safety Extra

Low Voltage Supply. The maximum voltage

levels are to be 30Vrms, 42V peak or 60V dc

and separated from hazardous voltages by

double or reinforced insulation. For the United

States consider a Safety Extra Low Voltage

Supply to be a Class 2 source as defined in the

National Electrical Code. It the unit is

connected to a computer outdoors the

computer must also comply.

This equipment is safe to use indoors or

outdoors over the temperature range –40°C to

85°C (-40°F to 185°F).

Contents

Features.................................................1

Managing software................…....…........4

Care of unit.........................…................5

IP Ratings……………………………………….…..5

Battery........................................…........6

Specification.........................…...............7

EMC Environment...............….……...........8

TINYVIEW Temperature....…….………….....8

TINYVIEW PT100 & PT1000.….…….……..10

TINYVIEW Rel. Humidity...………………....11

Calibration............................................13

Notes………………………………………………..14

Approvals.............................................15

Warranty..............................................16

FEATURES

Reading Capacity

TINYVIEW stores 14992 data readings, along

with related information such as the logging

interval and description/title, together with

details of the individual logger including the

unique serial number.

Delayed and Trigger Start

The logger may be programmed to delay the

start of the logging cycle by up to 45 days. The

delay can be set as relative or actual time and

will have full date/time retention. A clock face

symbol on the display indicates that the logger

is set for delayed start. Alternatively, it may be

set to start logging when a magnet is applied

to the case. This is indicated by arrows on the

screen pointing to where the magnet must be

applied.

Logging Intervals

The logging interval can be specified in either

seconds or minutes. The seconds mode can be

set up to 4.5 hours, the minutes mode up to 10

days. Certain features are only available in 1

minutes mode. An arrow on the display points

to a graph symbol when the unit is logging.

Off-load While Logging

When the logging interval is specified in

minutes it is possible to retrieve data from a

TINYVIEW without interrupting the logging

program.

Stop Options

TINYVIEW may be set to stop logging in one of

three ways:

i. Never (wraparound). In this mode

the logger continues to record, over-

writing the oldest data first once full.

ii. When full.

iii. After a specified number of readings.

Minimum, Maximum or Actual Readings

It is possible to record minimum, maximum or

actual readings. For minimum and maximum

readings, the recorded value is calculated from

readings taken during the logging interval.

Therefore a minimum logging interval of 2

minutes is needed for these functions.

Alarms

TINYVIEW has two programmable alarms. Both

use the LCD display to show an alarm state.

Both are fully programmable for:

i. Alarm trip point

ii. Over or under value.

iii. Latching or non-latching.

Alarm status is shown by the presence of Lo1,

Lo2, Hi1 and Hi2 indicators at the top of the

LCD. These can be cleared via the Windows

software without interrupting the logging.

Display

Numerical reading: Actual temperature or

Relative Humidity level. For temperature, an

arrow pointing to the bottom of the display

indicates the units used (degrees Centigrade or

Fahrenheit). The display is updated every 4

seconds.

Word ’STOP’: Logger in stop mode.

Display blank: In stop mode the logger

turns the display off after 5 minutes to

preserve battery life. When you connect to the

logger in GLM the display turns on again.

Word ‘CAL’: Indicates that the logger is

due or nearly due for calibration. This will only

appear on calibrated units and will not stop the

logger functioning. The word CAL will also

appear on calibrated units for a few seconds

each time the battery is inserted. Uncalibrated

units will display ‘BATT’ instead.

MANAGING SOFTWARE

Logging is started and the data retrieved by

means of the management software (GLM)

which is run on a Windows™ based host

computer. In order for TINYVIEW units to

communicate with the host computer, the

correct interface cable is required for

connection between a spare serial port on the

computer and your TINYVIEW data logger

(part number CAB-0007). Should any difficulty

be experienced in communicating with the unit,

firstly check that the cable is properly

connected to the correct serial port. Please

read the GLM manual before using your

TINYVIEW data logger.

Exporting Data

Data may be exported from the software in text

formats ready for importing into spreadsheet or

other programs. Exported data may include the

title, description and other headings.

CARE OF UNIT

General

Care must be taken to ensure that no dirt or

moisture gets into any connector. Moisture will

cause the unit to stop recording and can lead

to corrosion. Do not open the unit for any

purpose other than to change the battery,

particularly with RH units, as calibration may be

affected. Where the unit has been used in cold

conditions, allow it to warm to room

temperature prior to opening to avoid

condensation forming inside.

IP Ratings

TINYVIEW loggers are rated IP65 splashproof,

but only when connector caps are securely

fitted. In RH models, the sensor is necessarily

only protected to IP20.

Battery (Observe warnings inside cover)

Size: 3.6v ½ AA size Lithium

Life: Up to 1 year for PT100, 2 years for

other types.

Battery replacement is recommended at least

yearly for PT100 and every 2 years for the

other types. A Service kit including battery, O-

ring seal and silica gel pack is available from

your TINYVIEW distributor, Part No. SER-9550.

Always stop the unit logging before changing

the battery. To open the unit, unscrew the lid

from the base. Care should be taken when

handling the unit once the lid is removed, since

it may be damaged by static electricity.

Check that the replacement is aligned with

markings on battery holder. The word ‘batt’ will

appear on the display for a few seconds,

followed by the word ‘stop’. If it does not,

remove the battery and try again. When

replacing the battery, it is recommended that

the rubber seal and silica gel pack are also

replaced (see above). When refitting the lid

ensure that the electronics are seated properly

and that no wires are trapped.

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