Specifications
Table 5: Enviro
nmental characteristics
Characteristic Specification
Temperature,
compensation box
Operating 0 °C to 45 °C (+
32 °F to +113 °F)
Nonoperating
–20 °C to +60
°C(-4°Fto+140°F)
Temperature, probe cable and TkFlex solder-in tips
Operating -40 °C to 45 °C (-40 °F to +113 °F) at 10,000 Hours MTBF (No airflow)
-46°Cto85
°C (-51 °F to +185 °F) at 1,000 Hours MTBF (Minimum airflow of 1000 CFM)
Nonoperating
-40°Cto+8
5°C(-40°Fto+185°F)
Temperat
ure, probe cable and P77BRWSR tip
Operati
ng
0°Cto45
°C (+32 to +113 °F)
Nonoperating
-20 °C to
+60 °C (-4 to +140 °F)
Humidity, comp box
Operating
1
8% RH – 80% RH, at up to +32 °C (+104 °F)
5% RH to
45% RH above +32 °C (+104 °F) up to +45 °C (+113 °F)
Noncondensing
Nonop
erating
2
5% RH – 95% RH, at up to +30 °C (+86 °F)
5% RH to 45% RH above +30 °C (+86 °F) up to +60 °C (+140 °F)
Nonc
ondensing
Altitude
Nonoperating
12,000 meters (40,000 feet)
1
Limited by maximum wet-bulb temperature of +29.4 °C (+84.9 °F), derates relative humidity to 32% RH at +45° C (+113 °F)
2
Limited by maximum wet-bulb temperature of +29.4 °C (+84.9 °F), derates relative humidity to 11% RH at +60° C (+140 °F)
P7700 Series TriMode Probes Technical Reference 39