CO2 Analyzer PCE-WMM 50
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Description
The PCE-WMM 50 alert meter consists of two parts: the sensor unit and the remote display unit. This allows for safe monitoring outside the exposure zone.
By monitoring CO2 concentration, the indoor air quality meter helps protect workers against the health hazards associated with CO2, a colorless and odorless gas used in the food, metal, chemical and waste management industries.
– CO2 gas measurement range: 0 … 50000 ppm
– Temperature measurement range: 0 … +45 ºC / +32 … +113 ºF
– IP54-rated enclosure on sensor and remote display units
– 2 adjustable alarm thresholds
– Alarm-activated potential-free contact can, for example, activate a fan to reduce CO2 gas concentration in the room
– 3- to 4-digit remote display (depends on range)
– Audible and visual alarm signals
Specification
| Technical specifications | |
| Sensor unit | |
| CO2 measurement range |
0 … 50,000 ppm (5%) (vol.) NDIR sensor |
| Temperature (gas / environment) |
0 … +45 °C / +32 … +113 ºF |
| Supply of gas samples |
By diffusion |
| Alarm contacts |
– 1 potential-free change-over contactor to control external devices (NO/NC) by releasing alarm 1 – Switching power: 30 V DC / 250 V AC, max. 2 A |
| Alarm thresholds |
Alarm 1 0.5 / 1 / 1.5 / 2 % Alarm 2 1.5 / 2 / 2.5 / 3 / 3.5 / 4 % |
| Menu items |
Function test of connection between detection unit and alarm unit, calibration, switch between °C and °F, alarm 1, 2 and factory setting |
| Display elements |
– 4-digit digital display for measured gas concentration within range 0 … 9999 ppm – 3-digit digital display for measured gas concentration within range 1 … 5 % – Additional 3-digit digital display for measurement and temperature in °C and °F – LEDs for operation, alarm 1, 2 and monitoring of voltage supply |
| Operating elements |
Reset, menu selection, enter |
| Safety | Continuous self-surveillance of temperature range, sensor lifetime, unplausible values, EEPROM system, internal data transfer |
| Enclosure | Synthetic, IP54-rated, watersplash proof |
| Dimensions | Approx. 168 x 125 x 47 mm / 6.62 x 4.93 x 1.85″ (without connections) |
| Voltage supply (adapter) |
100 … 240 V AC, 50 / 60 Hz |
| Remote display unit | |
| Temperature (gas / environment) |
0 … +45 °C / +32 … +113 ºF |
| Menu items |
– 4-digit digital display for gas concentration within range 0 … 9999 ppm – 3-digit digital display for concentration within range 1 … 5% – Additional digital display to measure temperature in °C and °F – LEDs for operation, alarm 1, 2 and monitoring of voltage supply |
| Display elements |
Function test, reset, menu selection, enter, switch between °C and °F |
| Enclosure | Aluminum, IP54-rated, watersplash proof |
| Dimensions | 118 x 85 x 34 mm / 4.65 x 3.35 x 1.34″ (without connections) |
| Voltage supply |
Via data cable to sensor unit |
Delivery Scope
1 x User manual
