Mild Steel Strain Gauge Indicator Cum Datalogger Multichannel 4inch

NICTECH – STRAIN GAUGE DATA LOGGER (JAIPUR)

Model: NICTECH-DAQ-SG-USB-RS232
Make: GREENTECH, Jaipur (Brand: NICTECH)
Application: For strain gauge–based sensors (load cells, pressure transducers, torque sensors, etc.)

1. INPUT CHANNELS

• Number of Channels: 8 strain gauge channels (other options: 4 / 16 channels on request)

• Input Type:

  • Full bridge, half bridge, quarter bridge (120 Ω / 350 Ω selectable)

• Bridge Excitation:

  • 5 V DC, short-circuit protected, per channel / per group

• Gauge Factor:

  • Selectable from front panel (e.g. 1.5 to 2.5), fine adjustment via keyboard

• Input Range:

  • ±3 mV/V (typical), programmable

• Resolution:

  • 24-bit Σ-Δ ADC (effective ≥ 18–20 bits)

• Sampling Rate:

  • 1 sample/sec to 1,000 samples/sec per channel (selectable, depending on model)

• Accuracy:

  • Better than ±0.1% of F.S. (typical), after calibration

• Zero & Span:

  • Digital zero and span calibration from keypad / software

2. DISPLAY & USER INTERFACE

• Display Type:

  • 20×4 alphanumeric LCD or 128×64 graphical LCD

• Display Parameters:

  • Individual channel readings

  • Engineering units (kg, N, bar, MPa, strain, etc.)

  • Channel selection, status, alarm indication

• Keyboard / Keys:

  • 4–6 keys for menu, set, up/down, channel selection, start/stop logging

• Front Panel Indications:

  • Power ON, Logging ON, Alarm, Communication status

3. DATA LOGGING & STORAGE

• Internal Memory:

  • Non-volatile memory for minimum 50,000–100,000 readings (expandable)

• USB Pen Drive Port:

  • 1× USB host port for direct data transfer to standard USB pen drive

  • Data format: CSV / Excel-compatible text file with Date-Time stamp

• Logging Modes:

  • Time-based logging (fixed interval)

  • Manual logging (key press)

  • Event / trigger-based (optional)

• Time Stamp:

  • Real Time Clock (RTC) with battery backup

4. COMMUNICATION INTERFACES

• RS232 Port:

  • 1× RS232 serial communication port

  • Baud rate selectable (e.g. 9,600 / 19,200 / 57,600 bps)

  • Suitable for direct interface with PC / Laptop

• Optional:

  • RS485 or MODBUS RTU (optional version)

  • USB device port for direct PC connectivity (optional)

5. POWER SUPPLY

• Input Supply:

  • 12 V DC, 5 A (regulated SMPS)

• Power Adapter:

  • External AC-DC adaptor, input 230 V AC, 50 Hz, output 12 V / 5 A

• Power Consumption:

  • Typically < 25 W

6. MECHANICAL & ENVIRONMENTAL

• Enclosure:

  • MS / Aluminium powder-coated table-top enclosure or 19" rack-mount (as required)

• Dimensions:

  • Approx. 250 (W) × 150 (D) × 80 (H) mm (typical – can be adjusted as per final design)

• Protection:

  • Front IP-50 (better protection versions on request)

• Operating Temperature:

  • 0 to 50 °C

• Storage Temperature:

  • –10 to 60 °C

• Humidity:

  • Up to 90% RH, non-condensing

7. SOFTWARE (PC INTERFACE)

• PC Software (Windows):

  • Real-time display of all channels

  • Numerical + trend graph for each channel

  • On-line and off-line data viewing

  • Export to Excel / CSV

  • File saving, report generation

• Connection to PC:

  • Via RS232 (or optional USB/RS485) using supplied cable / converter

8. CALIBRATION & CERTIFICATION

• Calibration:

  • 3-point / 5-point calibration per channel with engineering units

• Certificate:

  • Basic in-house calibration certificate supplied

  • NABL-traceable calibration certificate available on request (extra cost)

9. GENERAL

 

• Brand: NICTECH

• Make: GREENTECH SOLUTIONS, JAIPUR, INDIA

• Warranty: 12 months against manufacturing defects (from date of invoice)