Detcon TP-700 H2S Sensor

Code: TP-700
  • Hydrogen Sulfide gas detector
  • Solid State MOS sensor
  • Easy maintenance

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The Detcon TP-700 by Teledyne is a non-intrusive, “Smart” sensor designed to detect and monitor H2S in the air over a 0-100 ppm range, utilising proprietary solid-state metal oxide semiconductor technology. The plug-in, field-replaceable detector features oversized gold-plated connections that help prevent corrosion.

The TP-700’s rugged framework features an electro-polished 316 stainless steel housing, fully encapsulated electronics, and dual-layer surge protection. This innovative design eliminates sensor failure due to water ingress, corrosion, vibration, and transient spikes. A primary feature 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 TP-700 has standard analogue 4-20mA and Modbus RS-485 outputs. Its unique feature 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 solid-state MOS H2S gas sensor has an infinite shelf life and a 10-year conditional warranty.

Applications include oil and Gas drilling and production sites, Refining and Petrochemical facilities, Pulp and Paper Mills, and Wastewater Treatment Plants.

Features

Failsafe User-Friendly Interface

  • LED Display (With Antiglare Cover)
  • Full-Text Display Method
  • Non-intrusive Interface
  • Auto Zero/Auto Span
  • Pre-emptive Fault Diagnostics

Environmentally Bulletproof

  • Electropolished 316SS Construction
  • 100% Epoxy Encapsulated Circuitry
  • Bulletproof I/O Protection
  • Water-Proof, Corrosion-Proof
  • Vibration-Proof

Modular and Serviceable

  • Modular Design
  • Plug and Play Components
  • Quick Thread Release (For Sensor Replacement)
  • Integral Calibration Port

Order Information

700 Series MOS Hydrogen Sulfide Gas Detection Sensor Assemblies
Semiconductor versions
967-015520-100 TP-700 Solid State MOS H2S Sensor Assembly no condulet
967-011520-100 TP-700 Solid State MOS H2S Gas Sensor Assembly alum. condulet
967-014520-100 TP-700 Solid State MOS H2S Gas Sensor Assembly 316SS condulet
9H7-011520-100 TP-700 Solid State MOS H2S Gas Sensor with Hart bridge Assembly aluminium. condulet
9H7-014520-100 TP-700 Solid State MOS H2S Gas Sensor w/Hart bridge Assembly 316SS. condulet
9R7-011520-100 TP-700 Solid State MOS H2S Gas Sensor w/RAM Assembly alum. condulet
9R7-014520-100 TP-700 Solid State MOS H2S Gas Sensor w/RAM Assembly 316SS condulet
9K7-011520-100 TP-700 Solid State MOS H2S Gas Sensor w/Hart-RAM Assembly alum. condulet
9K7-014520-100 TP-700 Solid State MOS H2S Gas Sensor w/Hart-RAM Assembly 316SS condulet
Model Series 700 Integration Modules in Enclosures
Class 1; Div 1; Groups B, C, D – Zone I Group IIB+H2
975-70000A-00A Remote Control / Alarm Relay Module in Aluminium Enclosure
975-70000A-00S Remote Control / Alarm Relay Module in 316SS Enclosure
975-70000H-00A Remote Control / Alarm Relay Module with Hart in Aluminium Enclosure
975-70000H-00S Remote Control / Alarm Relay Module with Hart in 316SS Enclosure
975-70005H-00A Hart Integration Module in Aluminium Enclosure
975-70005H-00S Hart Integration Module in 316SS Enclosure
Accessories
943-000000-000 Calibration Sleeve/Wind Guard for use with the splash guard
960-202200-000 Condensation prevention packet (for J-Box, replace annually)
437-500000-000 Stainless steel tag
943-004223-000 2″ pipe mount with sun shade
943-004221-000 Sensor Mounting Plate for 2″ pipe
943-002273-000 Harsh location dust guard (fits 1.5 x 18 thread). Fits 700’s, FP 4,5,600’s, DM series 5,600’s, DM-100’s,
033-003238-000 Harsh location dust guard replacement filter for 1.5 x 18 thread (Sold in a pack of qty 20 – order as 20ea)
943-002274-000 Hazardous location dust guard 7/8. Fits TP-4,5,600 series sensors.
943-003236-000 Harsh location dust guard replacement filter for (fits 1.5 x 18 thread) (Sold in a pack of qty 20)
943-003436-000 Harsh location water guard, fits all series with standard splash guard.
897-850000-010 Standard aluminium junction box with solid lid
897-850901-010 Standard aluminium junction box with lens cover
897-850000-316 Stainless steel junction box with solid cover
897-850901-316 Stainless steel junction box with lens cover
943-121747-SS5 Stainless steel flow-through adapter, Fits 700’s, FP 4,5,600’s, DM series 5,600’s, DM-100’s
Spare Parts
370-010000-700 Solid State MOS H2S plug-in sensor for TP-700
613-120000-700 Sensor splash guard with integral cal-port
327-000000-000 Magnetic programming tool
975-000020-893 Sensor duct mount kit – 700 Series
500-003087-100 Transient Protection Module (standard terminal board)
500-005242-300 Hart Bridge Module
927-70000A-000 RAM Module
927-70000H-000 Hart/RAM Module
500-005134-100 Ram Terminal board
943-004221-000 Sensor Mounting Plate for 2″ pipe
943-004223-000 Sensor Mounting Plate with Sunshade for 2-3″ pipe
S927-010000-100 TP-700 Solid State MOS H2S (ITM)
602-003280-000 Bottom housing assembly for FP/TP/IR – includes flame arrestor

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Title Size
TP 700 Brochure 100 KB
TP 700 Manual 3 MB

Additional information

Weight 0.09 kg

Specifications

System Specifications
Sensor Type Continuous diffusion/adsorption
CHEMFET Solid State Metal Oxide Semiconductor
Plug-in field replaceable
Sensor Life 5 to 10 years typical
Measurement Range 0-20 ppm, 0-50 ppm, 0-100 ppm
Accuracy/Repeatability ±10% of reading or ±2 ppm (greater of)
Response/Clearing Time T50 <30 seconds; T80 <60 seconds
Outputs Linear 4-20 mA DC
RS-485 MODBUS-RTU
Electrical Classification Explosion proof
CSA and US (NRTL)
Class I, Division 1, Groups B, C, D
(Tamb = -40°C to +75°C)
Class I, Zone 1, Group IIB+H2
ATEX
II 2 G Ex d IIB + H2 T4 Gb (Tamb = -40°C to +70°C)
Ingress Protection NEMA 4X, IP66
Safety Approvals cCSAus
Complies with ISA 92.01 Part 1-1998;
Performance Requirements for H2S
ATEX
CE Marking
SIL2 Certified to IEC 61508
Warranty Plug-in detector – 10-year conditional
Transmitter – 2 Years
Environmental Specifications
Operating Temperature Range -40°F to +167°F; -40°C to +75°C
Storage Temperature Range -31°F to +131°F; -35°C to +55°C
Operating Humidity Range 5-100% RH non-condensing
Operating Pressure Range Atmospheric ±10%
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 centre to centre
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 Normal operation = 68mA (<1.7 watt)
Maximum = 85mA (2 watts)
Inrush Current 1.0A @ 24V
RFI/EMI Protection Complies with EN50270
Analog Output Linear 4-20mA DC (1,000 ohms max loop load @ 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 Heater, Loop, Input Voltage,
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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