Scanner Based GMS

General

1

Manufacturer

PPS

2

Model No.

gazScan

3

Type

Microcontroller based process value Indicator

4

Application

Process value Indicator for Gas detectors over user selectable ranges

5

Dimensions/ Weight

280X219X156 mm (L X B X H)/ 3 Kg

6

Enclosure Casing

Polycarbonate

7

Operating temperature

0-55°C

8

Humidity

90% RH (Non Condensing)

Technical

9

Power Supply

230/240AC 50Hz

10

Number of channels

1/ 2/4/8 Channel Configurations

11

Range

0-10/100/999 with Decimal selection

12

Accuracy

± 1% of FS ± 1 count

13

Input

4-20mA input for each channel

14

Controls

Increase, Right shift, Enter/ ACK keys for operation, programming & calibration

15

Calibration

Ambient, Zero and span adjustable by digital calibration through front panel keys

16

Display Scan Rate

3-sec/channel

17

Channel number Indication

Single digit Red 7- Segment LED Display

18

Process values Indication

4 digit Red 7- Segment LED Display

19

Alarm 1 set point

User Configurable (20% Default)

20

Alarm 2 set point

User Configurable (40% Default)

21

Alarm Type

High- High/Low-High/Low-Low configuration (High-High config. By default)

22

Visual LED Indication

For Alarm 1 and Alarm 2

23

Relay output

Common Relay output for Alarm 1 and Alarm 2 (SPDT 10A rating)

24

Serial Communication

RS 485 communication over modbus RTU protocol (Optional)

Operating Modes

25

Normal mode

Scans per channel @ 3secs/channel

26

Program mode

Option to program the desired channel

27

Calibration mode

Parameters setting

28

Range mode

0-10/100/999

29

Alarm mode

High-High/Low-High/Low-Low type Alarm

30

Skip Mode

Skip the channel when not in use

31

Hold/Un-hold

Hold a channel until un-hold is pressed