Install Instructions
Table Of Contents
HE-6800 Series Humidity Transmitters with Temperature Sensor Installation Instructions6
Technical Specifications
Table 4: Optional Accessories
Product Code Number Description
ACC-INSL-0
1
Wallbox Mounting Pad (10 per Bag)
ACC-INSL-1
1
Surface Mounting Pad (10 per Bag)
NS-WALLPLATE-0 Adapts an HE-6800 Series Humidity Transmitter (3-3/16 x 3-3/16 in. [80 x 80 mm]) to a
Standard 3-3/16 x 4-3/4 in. (80 x 120 mm) Wallbox
T-4000-119 Allen-Head Adjustment Tool (30 per Bag)
1. These foam pads help prevent drafts from entering the unit through the wall, and make installation easier when mounting on
an uneven surface.
HE-6800 Series Humidity Transmitters with Temperature Sensor (Part 1 of 2)
Power Requirements 4.5 to 7.5 mA at 14 to 30 VDC and 5K ohm Load, or 18 to 25 mA at 20 to 30 VAC
and 5K ohm Load
Terminations 9-Position Screw Clamp Terminal Block
Wire Size 16 to 24 AWG (1.3 to 0.6 mm Diameter); 18 AWG (1.0 mm Diameter)
Recommended
Temperature Measurement Range 32 to 131°F (0 to 55°C)
Humidity
Measurement
Range
Full Range 0 to 100% RH
Calibrated Range 10 to 90% RH
Temperature
Sensor
Nickel
(HE-68Nx Models)
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)
Accuracy ±0.34F° at 70°F (±0.18C° at 21°C)
Platinum
(HE-68Px Models)
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)
Accuracy ±0.35F° at 70°F (±0.19C° at 21°C)
Humidity Sensor Type Capacitive Polymer Sensor
Humidity
Element
Accuracy
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)
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)
Setpoint Range Warmer/Cooler
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 Thermoplastic
Protection: IP30 (EN 60529)