Detcon IR-700 - Manual (Page 41)

Model IR-700
IR-700 Instruction Manual Rev. 3.1 Page 37 of 40
Operating Humidity: 0-100% RH (Non-condensing)
Mechanical Specifications
Dimensions: 7"H x 2.2" Dia.; 178mmH x 65mm Dia. (sensor assembly only)
11"H x 6.1"W x 3.75"D; 280mmH x 155mmW x 96mmD (with junction box)
Mounting holes (J-box) 5.5"; 140mm center to center
Weight: 2 lbs; 0.907kg (sensor only)
6 lbs; 2.72kg (w/aluminum j-box)
9 lbs; 4.08kg (w/stainless steel j-box)
Electrical Specifications
Power Input: 11-30VDC
Power Consumption: Normal operation = 68mA (<1.7 watt)
Maximum = 85mA (2 watts)
Inrush current: 0.67A @ 24V
RFI/EMI Protection: Complies with EN61000
Analog Output: Linear 4-20mA DC current (1000 ohms maximum loop load @ 24VDC)
0mA
All Fault Diagnostics
2mA In-Calibration
4-20mA 0-100% full-scale
22mA Over-range condition
Serial Output: RS-485 Modbus™ RTU
Baud Rate: 9600 BPS (9600,N, 8 ,1 Half Duplex)
Status Indicators: 4-digit LED Display with gas concentration,
full-script menu prompts for AutoSpan,
Set-up Options, and Fault Reporting
Faults Monitored: Loop, Input Voltage,
Zero, Sensor,
Processor, Memory, Calibration
Cable Requirements: Power/Analog:
3-wire shielded cable
Maximum distance is 13,300 feet with 14 AWG
Serial Output:
2-wire twisted-pair shielded cable specified for RS-485 use
Maximum distance is 4,000 feet to last sensor
I/O Protection: Over-Voltage, Miss-wiring, EMI/RFI Immunity