ScanGas
Key Feature
Display :
Digital Readout :
Upper Readout : 5+2 digits, 0.39” Bright Red LED, 7 Segment Lower
Readout : 4 digits, 0.39” Luminous Green LED, 7 Segment
Status Indicators : 16 Red LED for Alarm Status Indications
1 Red LED for Auto / Manual Selection Indication
Keys :
Type 6 Tactile Switches
Functions PAGE, DOWN, UP, ENTER, Alarm ACK/VIEW, A/M Select
Channels :
Numbers 8 or 16
Display Scan Mode Auto : Programmable Scan Time (1 to 99 Seconds) Manual : UP/DOWN
Keys for Channel Selection
Sensor Input :
Type
(User Programmable without Jumper Setting)
Thermocouple : RTD : DC Current : DC mV : DC Voltage :
J, K, T, R, S, B, N
Pt100 (3-wire & 2-wire)
0-20 mA, 4-20 mA
0-80 mV
0-1.25 V, 0-5 V, 0-10 V, 1-5 V
Corrections
⇒In-built Cold-Junction Compensation for Thermocouples
⇒In-built Lead Resistance Compensation for RTD (Upto 22 Ohms in each
lead)
Accuracy For Thermocouples & RTD : ± 0.25% of reading ± 1°C For DC mA/mV/V :
± 0.25% of reading ± 1 LSD
Range Thermocouples & RTD : Refer Table-1
DC mA/mV/V Inputs : Adjustable from -19999 to 30000 Counts
Display Resolution (User Programmable for Each Channel)
Thermocouples & RTD : 0.1 / 1 (°C / °F)
DC mA/mV/V : 0.001 / 0.01 / 0.1 / 1 Counts
Zero Offset User Adjustable over Full Range for Each Channel
ADC 16 Bit (±32,768 Counts), Sigma-Delta (ΣΔ)
Channel Update Time 250mS (2 Seconds for 8 Channels, 4 Seconds for 16 Channels)
Common Mode Rejection > 100dB at 50/60 Hz
Signal Conditioning L-C Analog Filter
Alarms :
Numbers 4 Independent for Each Channel
Programmable Parameters
Type :
Logic : Hysteresis :
Inhibit : No, Yes
Process Low, Process High Normal, Reverse
1 to 3000 Unit Counts
Outputs Relay Change-over Contacts
Relay-1 to Relay-4 Common for Alarm-1 to Alarm-4 of All Channels
Outputs :
Relay
Contact Type : Potential-free Change-over Contacts
Contact Rating : 5A Resistive @ 120/240 VAC
Contact Life : > 5,00,000 Operations at Rated Voltage / Current
Serial Communication :
Port RS485, 2-wire, Half Duplex, Start-Stop Synchronized
Protocol Modbus RTU
Baud Rate Settable : 4800, 9600, 19200, 38400, 57600
Parity Settable : None, Even, Odd
Max. Units per Loop 31
Max. Distance 1200 Metres
Power Supply :
Type Switch Mode (SMPS)
Line Voltage 85 to 264 VAC, 50/60Hz
Consumption 5VA Max
Environmental :
Operating Ambient 0 to 55°C & 5 to 90%RH Non-condensing
Storage Temperature -10 to 70°C
Atmospheres
Not Suitable for use in Corrosive or Explosive Atmospheres. The Panel in
which the Instrument is Mounted must be free of Electrically Conductive
Pollution.
Physical :
Mounting Plug-in with Panel Mounting Clamps
Overall Dimensions 96(H) X 192(W) X 100(D), mm
Panel Cutout 92(H) X 184(W), mm
Terminals Screw Type
Weight 1000 gm (1 Kg), Appx.
PC Interface with 21 CFR Compliant Software :
Supported Operating Systems (OS)
Windows Vista Windows 7
Windows 8 (32 bit / 64 bit) Pentium Dual Core (32 bit / 64 bit)
Minimum PC Configuration
Requirements
⇒2.8 GHz Clock Speed
⇒2 GB RAM
⇒40 GB Hard Disk
Table 1 : Temperature Ranges for Thermocouples & RTD :
Input Type : Type J Thermocouple (Fe-K)
Range (Min. to Max.) : 0 to +960°C / +32 to +1760°F
Input Type : Type K Thermocouple (Cr-Al)
Range (Min. to Max.) : -200 to +1376°C / -328 to +2508°F
Input Type : Type T Thermocouple (Cu-Con)
Range (Min. to Max.) : -200 to +385°C / -328 to +725°F
Input Type : Type R Thermocouple (Pt/Pt-Rh13%)
Range (Min. to Max.) : 0 to +1770°C / +32 to +3218°F
Input Type : Type S Thermocouple (Pt/Pt-Rh10%)
Range (Min. to Max.) : 0 to +1765°C / +32 to +3209°F
Input Type : Type B Thermocouple
Range (Min. to Max.) : 0 to +1825°C / +32 to +3092°F
Input Type : Type N Thermocouple
Range (Min. to Max.) : 0 to +1300°C / +32 to +2372°F
Input Type : 3-wire, RTD Pt100
Range (Min. to Max.) : -199 to +600°C / -328 to +1112°F