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6526 Series

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6526 Series

RKI Explosion Proof Gas Monitor/transmitter 6526 Series

RKI Explosion Proof Gas Monitor/transmitter


The RKI Instruments 6526 Series explosionproof gas monitor/transmitter provides comprehensive monitoring of flammmable, toxic, and oxygen gas hazards in potentially explosive atmospheres.


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QtyModelDescriptionIn StockList PriceInternet Price
65-2643RK-05 EXP PRF GAS SNR CSA O2 4-20MA 3 RLY MODINFO3,245.641,817.56
65-2646RK-05 EXP PRF GAS SNR CSA CO 4-20MA 3 RLY MODINFO3,500.641,960.36
652616RK05 EXP PRF GAS SNR CSA CO 4-20MA 3 RLY MODINFO3,245.301,817.37
652630RK02 EXP PRF GAS SNR UL CO2 4-20MA 3 RLY MODINFO4,579.042,564.26
652640RK EXP PRF GAS SNR UL C3H8 4-20MA 3 RLY MODINFO3,115.081,744.44
652641RK EXP PRF GAS SNR UL H2 4-20MA 3 RLY MODINFO3,426.181,918.66
652649RKCH4 EXP PRF GAS SNR UL METHANE 4-20MA 3 RLY MODINFO4,421.702,476.15
652J-2645RK-05 EXP PRF GAS SNR CSA H2S 4-20MA 3 RLY MODINFO3,468.001,942.08


No accessories found
  • Fully configurable via magnetic switches
  • 4-20 mA output
  • Built in Alarm (2) and Fault (1) relays
  • MODBUS communications
  • 3/4" NPT cable/conduit entry
  • Class I, Division 1 Groups B, C, and D

Supply Voltage:19 to 30 VDC @ 150 mA

Output Signal:4-20 mA @ 500Ω

Accuracy:±0.5% of reading

Operating Temperature:-4° to 122℉ (-20° to 50℃)

Operating Humidity:5-95% non-condensing

Conduit Connection:3/4" NPT

ENclosure Rating: NEMA 4X

Communication:RS485, MODBUS RTU

Relays:3 x 5A@250VAC (2) Alarm, (1) Fault

Wiring Termination:Terminals

Display:Alphanumeric with Backlit

LED:Alarm 1 (amber), Fault (red)

Weight:4.5 lb (2 Kg)


H2, Methane, CO2, Propane: UL file E18003, E25828

CO, O2, H2S: CSA

Warranty:1 Year


Download Additional Data

document   Catalog Page
document   6526 Installation manual