General specifications
| Item |
Specifications |
| Target |
O2 in incombustible gas |
| Principle |
Direct insertion zirconia sensor |
| Range |
0 to 2…50 vol% (user configurable two ranges)
(in 1 vol% steps) |
| Repeatability |
≤ ±0.5% FS |
| Linearity |
≤ ±2% FS |
| Response time |
4–7 s for 90% response (from calibration gas inlet) |
| Warm-up time |
Approx. 30 min
(20 min when using ejector) |
| Analog output |
4–20 mA DC (allowable load resistance ≤ 500Ω) or
0–1 V DC (output resistance ≥ 100Ω) |
| Power supply |
Rated voltage
100–120 V AC (operating voltage: 90–132 V AC)
200–240 V AC (operating voltage: 190–264 V AC)
Rated frequency 50/60 Hz |
| Power consumption |
Max. 240 VA
Normal 70 VA |
Detector ZFKE
| Item |
Specifications |
| Gas temperature |
Flow guide tube type: -10°C to +600°C |
| Gas pressure |
-3 kPa to +3 kPa |
| Operating temperature |
-10°C to +60°C |
| Enclosure |
Dustproof and rainproof, IEC IP66 equivalent |
| Weight |
Approx. 3 kg (excluding the flow guide tube) |
| Ejector air inlet flow rate |
5 L/min to 10 L/min |
| Ex-proof standards |
TIIS Ex d IIB T4
NEPSI Ex d IIC T4 Gb |
| Flow guide tube |
With or without blow-down nozzle
Flange: JIS 5K 65A FF or as specified
Insertion length: 0.3, 0.5, 0.75, or 1 m |
Converter ZKME
| Item |
Specifications |
| Contact output |
6 points, SPST, 250 V AC/3 A or 30 V DC/3 A (under maintenance, device error, alarm, zero calibration, span calibration, under blow-down) |
| Contact input |
3 points, ON: 0 V, OFF: 5 V, ≤ 10 mA (remote hold, calculation reset, heater OFF, blow down, inhibition of calibration, calibration start, range change) |
| Communication |
RS232C (MODBUS)
RS485 (MODBUS) (option) |
| Combustion efficiency display |
(option) |
| Operating temperature |
-20°C to +55°C |
| Enclosure |
Dustproof and rainproof, IEC IP65 equivalent |
| Weight |
Approx. 22 kg (excluding cable and detector) |
| Ex-proof standards |
TIIS Ex d IIB T6
NEPSI Ex d IIC T6 Gb |
|