






Gas Detectors
ZL77/ZL77B Halogen Refrigerant Leak Detector for HVAC Systems
zl77 Halogen Gas Leak Detector for Air Condition and Refrigerant HVAC R22 R410a R134a HVAC Gas Analyzers
ZL77/ZL77B Halogen Refrigerant Leak Detector for HVAC Systems
Product Name | ZL77B | Measure Range | 0-10000PPM |
Material | ABS plastic | Colour | Black |
Power supply | rechargeable | Certificate | CE ROHS |
Detect gas type | Combustible gas analyzer | Product Size | 20.2*17.4*4.2cm |
Response time | 30 Seconds | Sensor Type | Gas-sensitive semi-conductor |
Gas Detection
Detect gas:CFCs:R11、R12、R500、R503
HCFCs:R22、R123、R124、R502,
HCFCs:R134a、R404a、R125
range:0~1000PPM
resolution:1PPM
maximum sensitivity:R12/R22 and T134A@0.5 Ounces per year (14 grams per year)
Preheating time (T90):30 seconds
Response time (T90):>10 seconds
Sampling method:Diffusion type
run time:About 6 hours
display:LED LCD display with dual color backlight
Direct reading:Sensor concentration reading, battery level, concentration unit, temperature
Alarm setting:Low report function and high report function settings
call the police:Sound, red screen backlight, voltage undervoltage indication
Audio prompt:The higher the frequency of buzzing, the higher the concentration
Applicable temperature range:-10-50°C