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DICKSON KT8-21 8″ Chart Recorder

Updated:2025-03-13

Brand: DICKSON
Model: KT8-21
Description: 8″ (203mm) Chart Recorders offer the largest resolution out of any chart recorders. Now featuring Replaceable Sensors?, calibrating your chart recorder is easier than ever. All chart recorders feature
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Product Details

DICKSON KT8-21 8″ Chart Recorder Description：

Datasheet

8″ (203mm) Chart Recorders offer the largest resolution out of any chart recorders. Now featuring Replaceable Sensors?, calibrating your chart recorder is easier than ever. All chart recorders feature a large 8″ chart and user-selectable recording timeframes (1-day, 1-week) and ranges.

Features

Replaceable Sensors?

Battery Operation

K-Thermocouple Probe

Display

Audible Alarms

Relays

Remote T/RH Probe

Specifications

	KT8 Models	TH8 Models
Alarm Type	Audio/Visual Relay on R models	Audio/Visual Relay on R models
Ambient Operating RH Conditions	0-95% RH non-condensing	0-95% RH non-condensing
Ambient Operating Temperature Conditions	32.0 to 120.0F (0.0 to 50.0C)	32.0 to 120.0F (0.0 to 50.0C)
Approvals	CE	CE
Backup Battery	Four C Batteries	Four C Batteries
Battery Life (Avg)	1 Month	1 Month
Calibration Options	N100, N300, N400	N100, N300, N400
Channels	CH1: Temperature CH2: Temperature (KT8-21/KT8-31R only)	CH1: Temperature CH2: Humidity
Chart Rotation Speed	24 Hour, 7 Day	24 Hour, 7 Day
Dimensions	9 3/8 in. x 2 3/4 in. x 10 1/8 in.	9 3/8 in. x 2 3/4 in. x 10 1/8 in.
Display Dimensions	5 1/8 in. x 1 in.	5 1/8 in. x 1 in.
Display Resolution	0.1	0.1
Display Type	LCD	LCD
Enclosure	Rugged Black ABS Case, Polycarbonate Door, Aluminum Dial	Rugged Black ABS Case, Polycarbonate Door, Aluminum Dial
IP Rating	20	20
Included Accessories	AC Adapter, Pen(s), Four C Batteries, Quick Start Guide and Probe. *Charts sold separately.	AC Adapter, Pen(s), Four C Batteries, Quick Start Guide and Probe. *Charts sold separately.
Keypad Functions	ON/OFF, Home, Alarm, Return, Enter	ON/OFF, Home, Alarm, Return, Enter
Mounting Options	Free Standing or Wall Mount (w/ Keyhole)	Free Standing or Wall Mount (w/ Keyhole)
Power Cord	6ft	6ft
Power Source	120 to 240 VAC, 12 VDC (INTL fittings available); AC Adapter	120 to 240 VAC, 12 VDC (INTL fittings available); AC Adapter
Power Status Indicator	LED Indicator	LED Indicator
Unit Weight	2.45lbs without batteries / 3.05lbs with batteries	2.45lbs without batteries / 3.05lbs with batteries
Units/Pkg	1	1
Warranty	12-month limited	12-month limited
Remote Sensor Type	Replaceable Sensor?	Replaceable Sensor?

	RS010	RS020 / RS021	RS030 / RS031	RS040	RS050
Sensor Type	Ambient Temp & Humidity	Thermistor	K-Thermocouple	Platinum RTD	Ambient Temp
Humidity Accuracy	=+/-2.0RH from 5.0 to 95.0RH
Temperature Accuracy	=+/-0.8F (+/-.44C) from 20.0 to 122.0F +/-1.8F (+/-1.0C) remaining range (range of sensor is -40 to 185F)	=+/-0.9F from -58.0 to 68.0F (+/-0.5C from -50.0 to 20.0C) =+/-1.2F from 69F to 122F	=+/-1.8F from -300.0 to 122.0F (+/-1.0C from -185.0 to 50C) =+/-3.8F (+/-2.1C) remaining range	=+/-0.5F from -148.0 to 350.0F (+/-0.3C from -100.0 to 176.0C)	=+/-1.2F from 20.0 to 122.0F (+/-1.0C from -30.0 to 50.0C)
Temperature Accuracy (Remainder of Range)		=+/-2.0F over remaining range
Temperature Range	-40.0 to 185.0F (-40.0 to 85.0C)	-58.0 to 158.0F (-50.0 to 70.0C)	-300.0 to 2000.0F (-185.0 to 1093.0C)	-148.0 to 350.0F (-100.0 to 176.0C)	-22.0 to 122.0F (-30.0 to 50.0C)