Table 5: HE-6800 Series Humidity Transmitters with Temperature Sensor technical specifications
Specification
Description
Sensor Type
1,000 ohm Thin Film Nickel
Coefficient
Approximately 3 ohm per F° (5.4 ohm per C°)
Reference
Resistance
1,000 ohm at 70°F (0°C)
Nickel(HE-68Nx
Models)
Accuracy
±0.34F° at 70°F (±0.18C° at 21°C)
Sensor Type
1,000 ohm Thin Film Platinum
Coefficient
Approximately 2 ohm per F° (3.9 ohm per C°)
Reference
Resistance
1,000 ohm at 32°F (0°C)
Platinum(HE-68Px
Models)
Accuracy
±0.35F° at 70°F (±0.19C° at 21°C)
Sensor Type
10,000 ohm NTC Thermistor
Coefficient
Nonlinear NTC, Johnson Controls Type II
Reference
Resistance
10,000 ohm at 77°F (25°C)
Temperature
Sensor
Nonlinear NTC,
Thermistor,Type
II(HE-686x
Models)
Accuracy
±0.9F° (±0.5C°) at 32 to 158°F (0 to 70°C)
Humidity Sensor Type
Capacitive Polymer Sensor
HE-68x2 Models
±2% RH for 20 to 80% RH at 50 to 95°F (10 to 35°C);±4% RH for 10 to 20% RH
and 80 to 90% RH at 50 to 95°F (10 to 35°C)
Humidity
Element
Accuracy
HE-68x3 Models
±3% RH for 20 to 80% RH at 77°F (25°C);±6% RH for 10 to 20% RH and 80 to 90%
at 77°F (25°C)
Range
Warmer/Cooler
Setpoint
Resistance
1500 Ohms
Temperature Sensor Time Constant
10 Minutes at 10 ft per Minute
Manual Override
Integral Momentary Pushbutton (DIP Switch Selectable)
LED
Green LED Indicates Three Modes of Operation (VMA12 and VMA14 Series
Controllers Only)
Ambient Operating Conditions
32 to 131°F (0 to 55°C), 10 to 95% RH Noncondensing;86°F (30°C) Maximum
Dew Point
Ambient Storage Conditions
-40 to 140°F (-40 to 60°C), 5 to 95% RH Noncondensing;86°F (30°C) Maximum
Dew Point
Materials
White ThermoplasticProtection: IP30 (EN 60529)
HE-68xx-0 Models
3-3/16 x 3-3/16 x 1-5/16 in. (80 x 80 x 32 mm)
Dimensions(H x
W x D)
HE-68xx-1 Models
3-3/16 x 3-3/16 x 1-7/16 in. (80 x 80 x 35 mm)
Shipping Weight
0.44 lb (0.20 kg)
United States
UL Listed, File E107041,CCN PAZX, Under UL 916, Energy Management
Equipment
Compliance
Canada
UL Listed, File E107041,CCN PAZX7, Under CAN/CSA C22.2 No. 205, Signal
Equipment
Europe
CE Mark – Johnson Controls, Inc., declares that this product is in compliance
with the essential requirements and other relevant provisions of the EMC
Directive, WEEE Directive, and RoHS Directive.
Australia and New
Zealand
RCM, Australia/NZ Emissions Compliant
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions
beyond these specifications, consult the local Johnson Controls office. Johnson Controls shall not be liable for damage
resulting from misapplication or misuse of its products.
HE-6800 Series Humidity Transmitters with Temperature Sensor Installation Guide
6