Teledyne Detcon PI-700-VOC Universal VOC Gas Sensor
The Teledyne PI-700 is a non-intrusive “Smart” sensor that uses photo-ionization detector technology to monitor VOC gases over ranges from 0-10 ppm to 0-5,000 ppm. In the PI-700 sensor design, Detcon has successfully converted the sensitive laboratory-style PID technology into a rugged, environmentally insensitive, and long-life industrial gas sensor. The plug-in, field-replaceable detector features oversized gold-plated connections that help prevent corrosion. The PI-700’s rugged framework includes an electro-polished 316 stainless steel housing with fully encapsulated electronics and dual layer surge protection.
This innovative design virtually eliminates sensor failure due to water ingress, corrosion, vibration, and transient spikes. A primary feature of the Model PI-700 is embedded intuitive software that simplifies the operator interface by guiding the user through routine calibration, configuration, and fault diagnostic functions using a built-in alpha/numeric display. The Model PI-700 is equipped with standard analog 4-20mA, and Modbus™ RS-485 outputs. Among its unique features is a wireless option that can be used with Detcon’s SmartWireless® product line. Additional integration options include a Remote Alarm Module (RAM) and HART. Detcon’s PID sensors have a long shelf life and are supported by an industry-leading warranty.
Failsafe User-Friendly Interface
Environmentally Bulletproof
Modular and Serviceable
| Heading | Detail |
|---|---|
| Sensor Type | Continuous diffusion/adsorption, Photo Ionization Detector (PID), Plug-in replaceable intelligent type (with replacement lamp) |
| Sensor Life | 2 years typical |
| Measurement Range | Gas Dependent, ranges as low as 0-10 ppm or as high as 0-5,000 ppm (consult Detcon) |
| Accuracy/Repeatability | ±10% of reading or ±2% of range (greater of) |
| Response Time | T50 <30 seconds; T90 <60 seconds |
| Outputs | Linear 4-20 mA DC, RS-485 MODBUS-RTU |
| Electrical Classification | Explosion proof, cCSAus, Class I, Division 1, Groups B, C, D (Tamb = -20°C to +50°C), Class I, Zone 1, Group IIB+H2, ATEX, II 2 G Ex d ib IIB + H2 T4 Gb (Tamb = -20°C to +50°C) |
| Ingress Protection | NEMA 4X, IP66 |
| Safety Approvals | cCSAus, ATEX, CE Marking |
| Warranty | PLUG-IN DETECTOR - 1 YEAR, TRANSMITTER - 2 YEARS |
| Environmental Specifications | Operating Temperature Range: -4°F to +122°F; -20°C to +50°C, Storage Temperature Range: -4°F to +122°F; -20°C to +50°C, Operating Humidity Range: 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: 11-30 VDC, Power Consumption: Maximum = 65mA (1.6 watts), Inrush Current: 1.67A @ 24V, RFI/EMI Protection: Complies with EN50270, Analog Output: Linear 4-20mA DC (1,000 ohms max loop load at 24VDC), 0mA All Fault Diagnostics, 2mA In-Calibration, 4-20mA 0-100% full-scale, 22mA Over-range condition, Serial RS-485 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, Missing 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 specifically for use with RS-485 installations, Maximum distance is 4,000 feet to last sensor, I/O Protection: Over-voltage, Miswiring, EMI/RFI Immunity |
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