Rev. 10/07
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Product Specifications
User Selectable Temperature
Ranges (user selectable)
TH621/22: 0 to ±50°F/C, 32 to +100°F; TH623/25: 0 to ±50°F/C,
0 to ±100°F, 0 to +185°F, 0 to +85°C
Temperature Accuracy
±0.5% of full scale, ±1.8°F (±1°C)
Temperature Sensor
Digital Temperature/RH Sensor
Humidity Range
0 to 95% RH
Humidity Accuracy
±2% from 10 to 60%, ±3% from 60 to 95%
Humidity Sensor
Digital Temperature/RH Sensor
Ambient Operating
Conditions
+32 to +122°F (0 to +50°C), 0 to 95% RH (non-condensing); Probe
Only: -4 to +158°F (-20 to +70°C), 0 to 95% RH (non-condensing)
Power Source
120V 50/60Hz AC Adapter
Power Status Indicator
LED Indicator
Power Cord
6’ (2 meters)
Battery Backup
9V battery backup powers unit for up to 3 days
Chart Size (Diameter)
6”
Battery Life (Avg)
72 hours (Backup Only)
Recording Times
24-Hour 7-Day
Response Time
2.5 minutes
Alarm (TH623/25)
Audio/Visual on High/Low Temp/RH Limits
Relay Type
SPST, 24VDC, 0.5A, NO/NC - Relay does not function while unit is on
battery power.
Relay Connection
Spade Lugs, Male 0.25” - One Relay per Channel
Resolution
0.1 from -9.9 to 199.9; 1 above 2000 and below -9.9
Keypad Functions
On/Off, pen home, alarm
Display Type (TH622/23/25)
LCD, 3.5 digit, 3.3V
Display Dimensions
(TH622/23/25)
.59” x 1.18” (15mm x 30mm)
Dimensions (Inches/cm)
7.56 x 7.56 x 3.2519.2 x 19.2 x 8.3
Remote Probe Dimensions
(TH622/23/25)
Houses thermistor and RH sensor in polycarbonate plastic; 1.5” x 0.5”
(1.25cm x 4.5cm); Cable Length: 10 ft. (304cm)
Weight
2.16 lbs 979.7g
IP Rating
IP21
Warm-up Time
Less than 15 seconds
Units of Measure
F or C; RH
Storage Conditions
+32 to +122°F (0 to +50°C), 0 to 95% RH (non-condensing)
Enclosure
Rugged Black ABS Case, Polycarbonate Door, Aluminum Dial
Warranty
12 Month Limited
Included Accessories
AC Adapter, 1 Red and 1 Blue Pen, Probe, Manual and 9V Battery
(CHARTS SOLD SEPARATELY)
